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1N5248 ND421025 20PT228A 110CA RK7002 V54C3256 MAX6496 1N4934G
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  c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 1 6 k / 8 k / 4 k 1 6 m o b l ? a d m a s y n c h r o n o u s d u a l - p o r t s t a t i c r a m c y p r e s s s e m i c o n d u c t o r c o r p o r a t i o n ? 1 9 8 c h a m p i o n c o u r t ? s a n j o s e , c a 9 5 1 3 4 - 1 7 0 9 ? 4 0 8 - 9 4 3 - 2 6 0 0 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i r e v i s e d j u n e 2 4 , 2 0 1 4 1 6 k / 8 k / 4 k 1 6 m o b l ? a d m a s y n c h r o n o u s d u a l - p o r t s t a t i c r a m f e a t u r e s n t r u e d u a l - p o r t e d m e m o r y b l o c k t h a t a l l o w s i m u l t a n e o u s i n d e p e n d e n t a c c e s s p o n e p o r t w i t h d e d i c a t e d t i m e m u l t i p l e x e d a d d r e s s a n d d a t a ( a d m ) i n t e r f a c e p o n e p o r t c o n f i g u r a b l e t o s t a n d a r d s r a m o r t i m e m u l t i p l e x e d a d d r e s s a n d d a t a i n t e r f a c e n 1 6 k / 8 k / 4 k 1 6 m e m o r y c o n f i g u r a t i o n n h i g h s p e e d a c c e s s p 6 5 n s o r 9 0 n s a d m i n t e r f a c e p 4 0 n s o r 6 0 n s s t a n d a r d s r a m i n t e r f a c e n f u l l y a s y n c h r o n o u s o p e r a t i o n n p o r t i n d e p e n d e n t 1 . 8 v , 2 . 5 v , a n d 3 . 0 v i o s n u l t r a l o w o p e r a t i n g p o w e r p a c t i v e : i c c = 1 5 m a ( t y p i c a l ) a t 9 0 n s p a c t i v e : i c c = 2 5 m a ( t y p i c a l ) a t 6 5 n s p s t a n d b y : i s b 3 = 2 ! a ( t y p i c a l ) n p o r t i n d e p e n d e n t p o w e r - d o w n n o n - c h i p a r b i t r a t i o n l o g i c n m a i l b o x i n t e r r u p t f o r p o r t t o p o r t c o m m u n i c a t i o n n i n p u t r e a d a n d o u t p u t d r i v e r e g i s t e r s n u p p e r b y t e a n d l o w e r b y t e c o n t r o l n s m a l l p a c k a g e : 6 6 m m , 1 0 0 - b a l l p b - f r e e b g a n i n d u s t r i a l t e m p e r a t u r e r a n g e b l o c k d i a g r a m m u x ' e d a d d r e s s / d a t a i / o c o n t r o l a d d r e s s d e c o d e m u x ' e d a d d r e s s / d a t a i / o c o n t r o l i / o l 1 5 - i / o l 8 i / o l 7 - i / o l 0 a d d r e s s d e c o d e i / o r 1 5 - i / o r 8 a 1 3 - a 0 [ n o t e 1 ] c o n t r o l l o g i c c s # l o e # l w e # l b u s y # l i n t # l b u s y # r i n t # r c s # r o e # r w e # r d u a l p o r t e d m e m o r y a r r a y 1 6 k / 8 k / 4 k x 1 6 a d v # l u b # l l b # l d a t a l < 1 5 . . 0 > d a t a r < 1 5 . . 0 > a d d r l < 1 3 . . 0 > a d d r r < 1 3 . . 0 > a d v # r u b # r l b # r m s e l i / o r 7 - i / o r 0 i r r / o d r s f e n # i r r 1 - i r r 0 [ n o t e 2 ] o d r 4 - o d r 0 n o t e s 1 . a 1 3 - a 0 f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 ; a 1 2 - a 0 f o r c y d m x 1 2 8 a 1 6 a n d c y d m x 1 2 8 b 1 6 ; a n d a 1 1 - a 0 f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 . 2 . i r r 1 a n d i r r 2 n o t a v a i l a b l e f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 o f 2 5 c o n t e n t s p i n c o n f i g u r a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 p i n d e f i n i t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 f u n c t i o n a l d e s c r i p t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 p o w e r s u p p l y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 a d m i n t e r f a c e r e a d o r w r i t e o p e r a t i o n . . . . . . . . . . . . . . . . . . . . . 4 s t a n d a r d s r a m i n t e r f a c e r e a d o r w r i t e o p e r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 b y t e s e l e c t o p e r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 c h i p s e l e c t o p e r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 o u t p u t e n a b l e o p e r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 m a i l b o x i n t e r r u p t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 a r b i t r a t i o n l o g i c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 i n p u t r e a d r e g i s t e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 o u t p u t d r i v e r e g i s t e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 a r c h i t e c t u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 m a x i m u m r a t i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 o p e r a t i n g r a n g e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v . . . . . . . . . . . . . . . . . . . . . . 8 e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 2 . 5 v . . . . . . . . . . . . . . . . . . . . 1 0 e l e c t r i c a l c h a r a c t e r i s t i c s f o r 3 . 0 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 c a p a c i t a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v . . . . . . . . . . . . . . . . . . . 1 2 s w i t c h i n g w a v e f o r m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 o r d e r i n g i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 1 6 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 8 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 4 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 o r d e r i n g c o d e d e f i n i t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 p a c k a g e d i a g r a m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 a c r o n y m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 d o c u m e n t c o n v e n t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 u n i t s o f m e a s u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 d o c u m e n t h i s t o r y p a g e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 s a l e s , s o l u t i o n s , a n d l e g a l i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . 2 5 w o r l d w i d e s a l e s a n d d e s i g n s u p p o r t . . . . . . . . . . . . . . . . . . . . . . . 2 5 p r o d u c t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 p s o c ? s o l u t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 c y p r e s s d e v e l o p e r c o m m u n i t y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 t e c h n i c a l s u p p o r t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 3 o f 2 5 p i n c o n f i g u r a t i o n s f i g u r e 1 . 1 0 0 - b a l l b g a p i n o u t ( t o p v i e w ) 1 2 3 4 5 6 7 8 9 1 0 a a 5 a 8 a 1 1 u b # r v s s a d v # r i / o r 1 5 i / o r 1 2 i / o r 1 0 v s s a b a 3 a 4 a 7 a 9 c e # r w e # r o e # r v d d i o r i / o r 9 i / o r 6 b c a 0 a 1 a 2 a 6 l b # r i r r 1 [ 3 ] i / o r 1 4 i / o r 1 1 i / o r 7 v s s c d o d r 4 o d r 2 b u s y # r i n t # r a 1 0 a 1 2 [ 4 ] i / o r 1 3 i / o r 8 i / o r 5 i / o 2 r d e v s s d n u o d r 3 i n t # l v s s v s s i / o r 4 v d d i o r i / o r 1 v s s e f s f e n # o d r 1 b u s y # l d n u v c c v s s i / o r 3 i / o r 0 i / o l 1 5 v d d i o l f g o d r 0 d n u d n u d n u o e # l i / o l 3 i / o l 1 1 i / o l 1 2 i / o l 1 4 i / o l 1 3 g h d n u d n u d n u l b # l c e # l i / o l 1 v d d i o l m s e l d n u i / o l 1 0 h j d n u d n u d n u i r r 0 [ 5 ] v c c v s s i / o l 4 i / o l 6 i / o l 8 i / o l 9 j k d n u d n u d n u u b # l a d v # l w e # l i / o l 0 i / o l 2 i / o l 5 i / o l 7 k 1 2 3 4 5 6 7 8 9 1 0 n o t e s 3 . t h i s p i n i s a 1 3 f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 . 4 . t h i s p i n i s d n u f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 . 5 . t h i s p i n i s d n u f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 . 6 . d n u p i n s a r e ? d o n o t u s e ? p i n s . n o t r a c e o r p o w e r c o m p o n e n t c a n b e c o n n e c t e d t o t h e s e p i n s .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 4 o f 2 5 f u n c t i o n a l d e s c r i p t i o n t h e c y d m x 2 5 6 a 1 6 , c y d m x 1 2 8 a 1 6 , c y d m x 0 6 4 a 1 6 , c y d m x 2 5 6 b 1 6 , c y d m x 1 2 8 b 1 6 , a n d c y d m x 0 6 4 b 1 6 a r e l o w p o w e r c m o s 1 6 k / 8 k / 4 k 1 6 d u a l - p o r t s t a t i c r a m s . t h e t w o p o r t s a r e : o n e d e d i c a t e d t i m e m u l t i p l e x e d a d d r e s s a n d d a t a ( a d m ) i n t e r f a c e a n d o n e c o n f i g u r a b l e s t a n d a r d s r a m o r a d m i n t e r f a c e . t h e t w o p o r t s p e r m i t i n d e p e n d e n t , a s y n c h r o n o u s r e a d a n d w r i t e a c c e s s t o a n y m e m o r y l o c a t i o n s . e a c h p o r t h a s i n d e p e n d e n t c o n t r o l p i n s : c h i p s e l e c t ( c s # ) , w r i t e e n a b l e ( w e # ) , a n d o u t p u t e n a b l e ( o e # ) . t w o o u t p u t f l a g s a r e p r o v i d e d o n e a c h p o r t ( b u s y # a n d i n t # ) . b u s y # f l a g i s t r i g g e r e d w h e n t h e p o r t i s t r y i n g t o a c c e s s t h e s a m e m e m o r y l o c a t i o n c u r r e n t l y b e i n g a c c e s s e d b y t h e o t h e r p o r t . t h e i n t e r r u p t f l a g ( i n t # ) p e r m i t s c o m m u n i c a t i o n b e t w e e n p o r t s o r s y s t e m s b y m e a n s o f a m a i l b o x . p o w e r - d o w n f e a t u r e i s c o n t r o l l e d i n d e p e n d e n t l y o n e a c h p o r t b y a c h i p s e l e c t ( c s # ) p i n . t h e c y d m x 2 5 6 a 1 6 , c y d m x 1 2 8 a 1 6 , c y d m x 0 6 4 a 1 6 , c y d m x 2 5 6 b 1 6 , c y d m x 1 2 8 b 1 6 , a n d c y d m x 0 6 4 b 1 6 a r e a v a i l a b l e i n 1 0 0 - b a l l 0 . 5 - m m p i t c h b a l l g r i d a r r a y ( b g a ) p a c k a g e s . a p p l i c a t i o n a r e a s i n c l u d e i n t e r p r o c e s s o r a n d m u l t i p r o c e s s o r d e s i g n s , c o m m u n i c a t i o n s s t a t u s b u f f e r i n g , a n d d u a l - p o r t v i d e o a n d g r a p h i c s m e m o r y . p o w e r s u p p l y t h e c o r e v o l t a g e ( v c c ) c a n b e 1 . 8 v , 2 . 5 v , o r 3 . 0 v , a s l o n g a s i t i s l o w e r t h a n o r e q u a l t o t h e i o v o l t a g e . e a c h p o r t o p e r a t e s o n i n d e p e n d e n t i o v o l t a g e s . t h i s i s d e t e r m i n e d b y w h a t i s c o n n e c t e d t o t h e v d d i o l a n d v d d i o r p i n s . t h e s u p p o r t e d i o s t a n d a r d s a r e 1 . 8 v a n d 2 . 5 v l v c m o s a n d 3 . 0 v l v t t l . a d m i n t e r f a c e r e a d o r w r i t e o p e r a t i o n t h i s d e s c r i p t i o n i s a p p l i c a b l e t o b o t h t h e l e f t a d m p o r t a n d r i g h t p o r t c o n f i g u r e d a s a n a d m p o r t . t h r e e c o n t r o l s i g n a l s , a d v # , w e # , a n d c s # a r e u s e d t o p e r f o r m t h e r e a d a n d w r i t e o p e r a t i o n s . a d d r e s s s i g n a l s a r e f i r s t a p p l i e d t o t h e i o b u s a l o n g w i t h c s # l o w . t h e a d d r e s s e s a r e l o a d e d f r o m t h e i o b u s i n r e s p o n s e t o t h e r i s i n g e d g e o f t h e a d d r e s s l a t c h e n a b l e ( a d v # ) s i g n a l . i t i s n e c e s s a r y t o m e e t t h e s e t u p ( t a v d s ) a n d h o l d ( t a v d h ) t i m e s g i v e n i n t h e a c s p e c i f i c a t i o n s w i t h v a l i d a d d r e s s i n f o r m a t i o n t o p r o p e r l y l a t c h t h e a d d r e s s e s . a f t e r t h e a d d r e s s s i g n a l s a r e l a t c h e d i n , a r e a d o p e r a t i o n i s i s s u e d w h e n w e # s t a y s h i g h . t h e i o b u s b e c o m e s h i g h z w h e n t h e a d d r e s s s i g n a l s m e e t t a v d h . t h e r e a d d a t a i s d r i v e n o n t h e i o b u s t o e a f t e r t h e o e # i s a s s e r t e d l o w , a n d h e l d u n t i l t h z o e o r t h z c s a f t e r t h e r i s i n g e d g e o f o e # o r c s # , w h i c h e v e r c o m e s f i r s t . a w r i t e o p e r a t i o n i s i s s u e d w h e n w e # i s a s s e r t e d l o w . t h e w r i t e d a t a i s a p p l i e d t o t h e i o b u s r i g h t a f t e r a d d r e s s m e e t s t h e h o l d t i m e ( t a v d h ) . a n d w r i t e d a t a i s w r i t t e n w i t h t h e r i s i n g e d g e o f e i t h e r w e # o r c s # , w h i c h e v e r c o m e s f i r s t , a n d m e e t s d a t a s e t u p ( t s d ) a n d h o l d ( t h d ) t i m e s . p i n d e f i n i t i o n s l e f t p o r t r i g h t p o r t d e s c r i p t i o n c s # l c s # r c h i p s e l e c t w e # l w e # r r e a d / w r i t e e n a b l e o e # l o e # r o u t p u t e n a b l e a 0 ? a 1 3 a d d r e s s ( a 0 ? a 1 1 f o r 4 k d e v i c e ; a 0 ? a 1 2 f o r 8 k d e v i c e ; a 0 ? a 1 3 f o r 1 6 k d e v i c e ) m s e l r i g h t p o r t i n t e r f a c e m o d e s e l e c t ( 0 : s t a n d a r d s r a m ; 1 : a d d r e s s / d a t a m u x ) i o l 0 ? i o l 1 5 i o r 0 ? i o r 1 5 a d d r e s s / d a t a b u s i n p u t / o u t p u t a d v # l a d v # r a d d r e s s l a t c h e n a b l e ; a d v # r o n l y u s e w h e n r - p o r t i s i n a d m m o d e u b # l u b # r u p p e r b y t e s e l e c t ( i o 8 ? i o 1 5 ) l b # l l b # r l o w e r b y t e s e l e c t ( i o 0 ? i o 7 ) i n t # l i n t # r i n t e r r u p t f l a g b u s y # l b u s y # r b u s y f l a g s f e n # s p e c i a l f u n c t i o n e n a b l e s i g n a l i r r 0 - i r r 1 i n p u t s i g n a l s f o r i n p u t r e a d r e g i s t e r s f o r c y d m x 1 2 8 a 1 6 , c y d m x 1 2 8 b 1 6 , c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 ; i r r 0 i s d n u a n d i r r 1 i s a 1 3 f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 . o d r 0 - o d r 4 o u t p u t s i g n a l s f o r o u t p u t d r i v e r e g i s t e r s ; t h e s e a r e o p e n d r a i n e d o u t p u t s . v c c c o r e p o w e r s u p p l y g n d g r o u n d v d d i o l l e f t p o r t i o p o w e r s u p p l y v d d i o r r i g h t p o r t i o p o w e r s u p p l y d n u n o c o n n e c t ; d o n o t c o n n e c t t r a c e o r p o w e r c o m p o n e n t t o t h e s e p i n s .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 5 o f 2 5 s t a n d a r d s r a m i n t e r f a c e r e a d o r w r i t e o p e r a t i o n t h i s d e s c r i p t i o n i s a p p l i c a b l e t o t h e r i g h t a c c e s s p o r t c o n f i g u r e d a s s t a n d a r d s r a m p o r t . r e a d a n d w r i t e o p e r a t i o n s w i t h s t a n d a r d s r a m i n t e r f a c e c o n f i g u r a t i o n i s t h e s a m e a s t h e a d m p o r t e x c e p t a d d r e s s e s a r e p r e s e n t e d o n t h e a b u s . o p e r a t i o n i s c o n t r o l l e d b y c s # , o e # , a n d w e # . a r e a d o p e r a t i o n i s i s s u e d w h e n w e # i s a s s e r t e d h i g h . a w r i t e o p e r a t i o n i s i s s u e d w h e n w e # i s a s s e r t e d l o w . t h e i o b u s i s t h e d e s t i n a t i o n f o r r e a d d a t a a n d t h e s o u r c e f o r w r i t e d a t a w h e n t h e r e a d o p e r a t i o n i s i s s u e d . h o w e v e r , w r i t e d a t a m u s t b e d r i v e n t o i o w h e n t h e w r i t e o p e r a t i o n i s i s s u e d . b y t e s e l e c t o p e r a t i o n t h e f u n d a m e n t a l w o r d s i z e i s 1 6 b i t s . e a c h w o r d i s b r o k e n u p i n t o t w o 8 - b i t b y t e s . e a c h p o r t h a s t w o a c t i v e l o w b y t e e n a b l e s : u b # a n d l b # . a c t i v a t i n g o r d e a c t i v a t i n g t h e b y t e e n a b l e s a l t e r s t h e r e s u l t o f r e a d a n d w r i t e o p e r a t i o n s t o t h e p o r t . d u r i n g a w r i t e , b y t e e n a b l e a s s e r t e d h i g h i n h i b i t s t h e c o r r e s p o n d i n g b y t e t o b e u p d a t e d i n t h e a d d r e s s e d m e m o r y l o c a t i o n . d u r i n g a r e a d , b o t h b y t e e n a b l e s a r e i n p u t s t o t h e a s y n c h r o n o u s o u t p u t e n a b l e c o n t r o l l o g i c . w h e n a b y t e e n a b l e i s a s s e r t e d h i g h , t h e c o r r e s p o n d i n g d a t a b y t e i s t r i s t a t e d . s u b s e q u e n t l y , w h e n t h e b y t e e n a b l e i s a s s e r t e d l o w , t h e c o r r e s p o n d i n g d a t a b y t e i s d r i v e n w i t h t h e r e a d d a t a . c h i p s e l e c t o p e r a t i o n e a c h p o r t h a s o n e a c t i v e l o w c h i p s e l e c t s i g n a l , c s # . c s # m u s t b e a s s e r t e d l o w f o r t h e p o r t t o b e c o n s i d e r e d a c t i v e . t o i s s u e a v a l i d r e a d o r w r i t e o p e r a t i o n , t h e c h i p s e l e c t i n p u t m u s t b e a s s e r t e d l o w t h r o u g h o u t t h e r e a d o r w r i t e c y c l e . w h e n c s # i s d e a s s e r t e d h i g h d u r i n g a w r i t e , i f t w r l , t s d , a n d t h d a r e n o t m e t , t h e c o n t e n t s o f t h e a d d r e s s e d l o c a t i o n i s n o t a l t e r e d . a n a u t o m a t i c p o w e r - d o w n f e a t u r e c o n t r o l l e d b y d e a c t i v a t i n g t h e c h i p s e l e c t ( c s # h i g h ) p e r m i t s t h e o n - c h i p c i r c u i t r y o f e a c h p o r t t o e n t e r a v e r y l o w s t a n d b y p o w e r m o d e . o u t p u t e n a b l e o p e r a t i o n e a c h p o r t h a s o n e o u t p u t e n a b l e s i g n a l , o e # . w h e n o e # i s a s s e r t e d h i g h , i o b u s i s t r i - s t a t e d a f t e r t h z o e . w h e n o e # i s a s s e r t e d l o w , c o n t r o l o f t h e i o b u s i s a s s u m e d b y t h e a s y n c h r o n o u s o u t p u t e n a b l e l o g i c ( t h e l o g i c i s c o n t r o l l e d b y i n p u t s w e # , c s # , u b # , a n d l b # ) . m a i l b o x i n t e r r u p t s t h e u p p e r t w o m e m o r y l o c a t i o n s a r e u s e d f o r m e s s a g e p a s s i n g . t h e h i g h e s t m e m o r y l o c a t i o n ( 0 x f f f f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 , 0 x 1 f f f f o r c y d m x 1 2 8 a 1 6 a n d c y d m x 1 2 8 b 1 6 , a n d 0 x 3 f f f f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 ) i s t h e m a i l b o x f o r t h e r i g h t p o r t . t h e s e c o n d h i g h e s t m e m o r y l o c a t i o n ( 0 x f f e f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 , 0 x 1 f f e f o r c y d m x 1 2 8 a 1 6 a n d c y d m x 1 2 8 b 1 6 , a n d 0 x 3 f f e f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 ) i s t h e m a i l b o x f o r t h e l e f t p o r t . w h e n o n e p o r t w r i t e s t o t h e o p p o s i t e p o r t ? s m a i l b o x , a n i n t e r r u p t s i g n a l i s g e n e r a t e d t o t h e o p p o s i t e p o r t . t h e i n t e r r u p t r e s e t s w h e n t h e o w n e r r e a d s t h e c o n t e n t s o f i t s o w n m a i l b o x . t h e m e s s a g e w r i t t e n t o t h e m a i l b o x i s u s e r d e f i n e d . e a c h p o r t r e a d s t h e o t h e r p o r t ? s m a i l b o x w i t h o u t r e s e t t i n g t h e i n t e r r u p t . t h e a c t i v e s t a t e o f t h e b u s y s i g n a l ( t o a p o r t ) p r e v e n t s t h e p o r t f r o m s e t t i n g t h e i n t e r r u p t t o t h e w i n n i n g p o r t . a l s o , a n a c t i v e b u s y t o a p o r t p r e v e n t s t h a t p o r t f r o m r e a d i n g i t s o w n m a i l b o x a n d r e s e t t i n g t h e i n t e r r u p t t o i t . o n p o w e r - u p , b o t h i n t e r r u p t s a r e s e t b y d e f a u l t . a n i n i t i a l i z a t i o n p r o g r a m m u s t b e r u n t o r e s e t t h e i n t e r r u p t s . i f a n a p p l i c a t i o n d o e s n o t r e q u i r e m e s s a g e p a s s i n g , d o n o t c o n n e c t t h e i n t e r r u p t p i n t o t h e p r o c e s s o r ? s i n t e r r u p t r e q u e s t i n p u t p i n . a r b i t r a t i o n l o g i c t h e c y d m x 2 5 6 a 1 6 , c y d m x 1 2 8 a 1 6 , c y d m x 0 6 4 a 1 6 , c y d m x 2 5 6 b 1 6 , c y d m x 1 2 8 b 1 6 , a n d c y d m x 0 6 4 b 1 6 p r o v i d e o n - c h i p a r b i t r a t i o n t o r e s o l v e s i m u l t a n e o u s m e m o r y l o c a t i o n a c c e s s ( c o l l i s i o n ) . i f b o t h p o r t s ? c s # s i g n a l s a r e a s s e r t e d a n d a n a d d r e s s m a t c h o c c u r s w i t h i n e a c h o t h e r , t h e b u s y l o g i c d e t e r m i n e s w h i c h p o r t h a s a c c e s s . i f t p s i s v i o l a t e d , o n e o f t h e t w o p o r t s g a i n s p e r m i s s i o n t o t h e l o c a t i o n , b u t i t i s n o t p r e d i c t a b l e w h i c h p o r t g e t s t h e p e r m i s s i o n . b u s y # i s a s s e r t e d t b l a a f t e r a n a d d r e s s m a t c h o r t b l c a f t e r c s # i s t a k e n l o w . i n p u t r e a d r e g i s t e r t h e i n p u t r e a d r e g i s t e r ( i r r ) f e a t u r e i s a v a i l a b l e o n l y f o r c y d m x 1 2 8 a 1 6 , c y d m x 1 2 8 b 1 6 , c y d m x 0 6 4 a 1 6 , a n d c y d m x 0 6 4 b 1 6 d e v i c e s . w h e n s f e n # = v i l , t h e i r r c a p t u r e s t h e s t a t u s o f t w o e x t e r n a l d e v i c e s c o n n e c t e d t o t h e i n p u t r e a d p i n s ( i r r 0 a n d i r r 1 ) t o a d d r e s s l o c a t i o n 0 x 0 0 0 0 . a d d r e s s 0 x 0 0 0 0 i s n o t a v a i l a b l e f o r s t a n d a r d m e m o r y a c c e s s e s w h e n s f e n # = v i l . w h e n s f e n # = v i h , a d d r e s s 0 x 0 0 0 0 i s a v a i l a b l e f o r n o r m a l m e m o r y a c c e s s e s . e i t h e r p o r t a c c e s s e s t h e c o n t e n t s o f i r r w i t h n o r m a l r e a d o p e r a t i o n f r o m a d d r e s s 0 x 0 0 0 0 . d u r i n g r e a d s f r o m t h e i r r , i o < 1 : 0 > a r e v a l i d b i t s a n d i o < 1 5 : 2 > a r e d o n ? t c a r e . t h e i r r i n p u t s a r e 1 . 8 v a n d 2 . 5 v l v c m o s o r 3 . 0 v l v t t l , d e p e n d i n g o n t h e c o r e v o l t a g e s u p p l y ( v c c ) . o u t p u t d r i v e r e g i s t e r t h e o u t p u t d r i v e r e g i s t e r ( o d r ) d e t e r m i n e s t h e s t a t e o f u p t o f i v e e x t e r n a l b i n a r y s t a t e d e v i c e s b y p r o v i d i n g a p a t h t o v s s f o r t h e e x t e r n a l c i r c u i t . t h e s e o u t p u t s a r e o p e n d r a i n . t h e f i v e e x t e r n a l d e v i c e s o p e r a t e s a t d i f f e r e n t v o l t a g e s ( 1 . 5 v " v d d i o " 3 . 5 v ) b u t t h e c o m b i n e d c u r r e n t c a n n o t e x c e e d 4 0 m a ( 8 m a m a x i m u m f o r e a c h e x t e r n a l d e v i c e ) . t h e s t a t u s o f t h e o d r b i t s a r e s e t u s i n g s t a n d a r d w r i t e a c c e s s e s f r o m e i t h e r p o r t t o a d d r e s s 0 x 0 0 0 1 w i t h a ? 1 ? c o r r e s p o n d i n g t o o n a n d ? 0 ? c o r r e s p o n d i n g t o o f f . t h e s t a t u s o f t h e o d r b i t s a r e r e a d w i t h a n o r m a l r e a d a c c e s s t o a d d r e s s 0 x 0 0 0 1 . w h e n s f e n # = v i l , t h e o d r i s a c t i v e a n d a d d r e s s 0 x 0 0 0 1 i s n o t a v a i l a b l e f o r m e m o r y a c c e s s e s . w h e n s f e n # = v i h , t h e o d r i s i n a c t i v e a n d a d d r e s s 0 x 0 0 0 1 i s u s e d f o r s t a n d a r d a c c e s s e s . d u r i n g r e a d s a n d w r i t e s t o o d r , i o < 4 : 0 > a r e v a l i d a n d i o < 1 5 : 5 > a r e d o n ? t c a r e .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 6 o f 2 5 a r c h i t e c t u r e t h e c y d m x 2 5 6 a 1 6 , c y d m x 1 2 8 a 1 6 , c y d m x 0 6 4 a 1 6 , c y d m x 2 5 6 b 1 6 , c y d m x 1 2 8 b 1 6 , a n d c y d m x 0 6 4 b 1 6 c o n s i s t o f a n a r r a y o f 1 6 k , 8 k , a n d 4 k w o r d s o f 1 6 d u a l - p o r t e d s r a m c e l l s , i o , a d d r e s s l i n e s , a n d c o n t r o l s i g n a l s ( c s # , a d v # , o e # , a n d w e # ) . b e t w e e n t h e t w o a c c e s s p o r t s , o n e i s a d e d i c a t e d t i m e m u l t i p l e x e d a d d r e s s a n d d a t a i n t e r f a c e ; t h e o t h e r i s a p i n s e l e c t a b l e p o r t t o e i t h e r s t a n d a r d s r a m o r t i m e m u l t i p l e x e d a d d r e s s a n d d a t a i n t e r f a c e . i n d e p e n d e n t c o n t r o l s i g n a l s f o r e a c h p o r t p e r m i t s i m u l t a n e o u s a c c e s s t o a n y l o c a t i o n i n m e m o r y . t o h a n d l e t h e s i t u a t i o n o f w r i t i n g a n d r e a d i n g t o t h e s a m e l o c a t i o n , a b u s y # p i n i s p r o v i d e d o n e a c h p o r t . f o r p o r t t o p o r t c o m m u n i c a t i o n , a n i n t e r r u p t ( i n t # ) p i n i s a l s o a v a i l a b l e o n e a c h p o r t . t a b l e 1 . a d m i n t e r f a c e r e a d / w r i t e w i t h b y t e s e l e c t o p e r a t i o n s a d v # c s # w e # o e # u b # l b # i o 0 - i o 1 5 m o d e x h x x x x h i g h z d e s e l e c t e d o r p o w e r - d o w n x x x h x x h i g h z o u t p u t d i s a b l e x x x x h h h i g h z u p p e r a n d l o w e r b y t e d e s e l e c t e d p u l s e l h l l l d a t a o u t ( i o 0 - i o 1 5 ) r e a d u p p e r a n d l o w e r b y t e s p u l s e l h l h l d a t a o u t ( i o 0 - i o 7 ) h i g h z ( i o 8 - i o 1 5 ) r e a d l o w e r b y t e o n l y p u l s e l h l l h h i g h z ( i o 0 - i o 7 ) d a t a o u t ( i o 8 - i o 1 5 ) r e a d u p p e r b y t e o n l y p u l s e l l x l l d a t a i n ( i o 0 - i o 1 5 ) w r i t e u p p e r a n d l o w e r b y t e s p u l s e l l x h l d a t a i n ( i o 0 - i o 7 ) h i g h z ( i o 8 - i o 1 5 ) w r i t e l o w e r b y t e o n l y p u l s e l l x l h h i g h z ( i o 0 - i o 7 ) d a t a i n ( i o 8 - i o 1 5 ) w r i t e u p p e r b y t e o n l y t a b l e 2 . s t a n d a r d s r a m i n t e r f a c e r e a d / w r i t e w i t h b y t e s e l e c t o p e r a t i o n s c s # w e # o e # u b # l b # i o 0 - i o 1 5 m o d e h x x x x h i g h z d e s e l e c t e d o r p o w e r - d o w n x x h x x h i g h z o u t p u t d i s a b l e x x x h h h i g h z u p p e r a n d l o w e r b y t e d e s e l e c t e d l h l l l d a t a o u t ( i o 0 - i o 1 5 ) r e a d u p p e r a n d l o w e r b y t e s l h l h l d a t a o u t ( i o 0 - i o 7 ) h i g h z ( i o 8 - i o 1 5 ) r e a d l o w e r b y t e o n l y l h l l h h i g h z ( i o 0 - i o 7 ) d a t a o u t ( i o 8 - i o 1 5 ) r e a d u p p e r b y t e o n l y l l x l l d a t a i n ( i o 0 - i o 1 5 ) w r i t e u p p e r a n d l o w e r b y t e s l l x h l d a t a i n ( i o 0 - i o 7 ) h i g h z ( i o 8 - i o 1 5 ) w r i t e l o w e r b y t e o n l y l l x l h h i g h z ( i o 0 - i o 7 ) d a t a i n ( i o 8 - i o 1 5 ) w r i t e u p p e r b y t e o n l y
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 7 o f 2 5 t a b l e 3 . i n t e r r u p t o p e r a t i o n e x a m p l e ( a s s u m e s b u s y # l = b u s y # r = h i g h ) f u n c t i o n l e f t p o r t r i g h t p o r t w e # l c s # l o e # l a d d r e s s l i n t # l w e # r c s # r o e # r a d d r e s s r i n t # r s e t r i g h t i n t # r f l a g l l x 0 x 3 f f f [ 7 ] x x x x x l r e s e t r i g h t i n t # r f l a g x x x x x x l l 0 x 3 f f f [ 7 ] h s e t l e f t i n t # l f l a g x x x x l l l x 0 x 3 f f e [ 8 ] x r e s e t l e f t i n t # l f l a g x l l 0 x 3 f f e [ 8 ] h x x x x x t a b l e 4 . a r b i t r a t i o n w i n n i n g p o r t c s # l c s # r a d d r e s s m a t c h l e f t / r i g h t p o r t b u s y # l b u s y # r f u n c t i o n x x n o m a t c h h h n o r m a l h x m a t c h h h n o r m a l x h m a t c h h h n o r m a l l l m a t c h s e e n o t e [ 9 ] s e e n o t e [ 9 ] w r i t e i n h i b i t [ 1 0 ] t a b l e 5 . i n p u t r e a d r e g i s t e r o p e r a t i o n [ 1 1 ] s f e n # c s # w e # o e # u b # l b # a d d r i o 0 ? i o 1 i o 2 ? i o 1 5 m o d e h l h l l l x 0 0 0 0 - m a x v a l i d [ 1 2 ] v a l i d [ 1 2 ] s t a n d a r d m e m o r y a c c e s s l l h l x l x 0 0 0 0 v a l i d [ 1 3 ] x i r r r e a d t a b l e 6 . o u t p u t d r i v e r e g i s t e r [ 1 5 ] s f e n # c s # w e # o e # u b # l b # a d d r i o 0 ? i o 4 i o 5 ? i o 1 5 m o d e h l h x [ 1 6 ] l [ 1 2 ] l [ 1 2 ] x 0 0 0 0 - m a x v a l i d [ 1 2 ] v a l i d [ 1 2 ] s t a n d a r d m e m o r y a c c e s s l l l x x l x 0 0 0 1 v a l i d [ 1 3 ] x o d r w r i t e [ 1 7 ] l l h l x l x 0 0 0 1 v a l i d [ 1 3 ] x o d r r e a d n o t e s 7 . 0 x 3 f f f f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 , 0 x 1 f f f f o r c y d m x 1 2 8 a 1 6 a n d c y d m x 1 2 8 b 1 6 , 0 x f f f f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 . 8 . 0 x 3 f f e f o r c y d m x 2 5 6 a 1 6 a n d c y d m x 2 5 6 b 1 6 , 0 x 1 f f e f o r c y d m x 1 2 8 a 1 6 a n d c y d m x 1 2 8 b 1 6 , 0 x f f e f o r c y d m x 0 6 4 a 1 6 a n d c y d m x 0 6 4 b 1 6 . 9 . i f i t m e e t s t p s , " l " i f t h e c s # a n d a d d r e s s o f t h e o p p o s i t e p o r t b e c o m e s t a b l e b e f o r e t h e c u r r e n t p o r t ; " h " i f t h e c s # a n d a d d r e s s o f t h e o p p o s i t e p o r t b e c o m e s t a b l e a f t e r t h e c u r r e n t p o r t . i f t p s i s n o t m e t , e i t h e r b u s y # l o r b u s y # r r e s u l t s ? l ? . b u s y # l a n d b u s y # r c a n n o t b e ? l ? s i m u l t a n e o u s l y . 1 0 . w r i t e o p e r a t i o n s t o t h e l e f t p o r t a r e i n t e r n a l l y i g n o r e d w h e n b u s y # l i s d r i v i n g l o w r e g a r d l e s s o f a c t u a l l o g i c l e v e l o n t h e p i n ; w r i t e o p e r a t i o n s t o t h e r i g h t p o r t a r e i n t e r n a l l y i g n o r e d w h e n b u s y # r i s d r i v i n g l o w r e g a r d l e s s o f a c t u a l l o g i c l e v e l o n t h e p i n . 1 1 . s f e n # = v i l f o r i r r r e a d s . 1 2 . u b # o r l b # = v i l . i f l b # = v i l , t h e n i o < 7 : 0 > a r e v a l i d . i f u b # = v i l t h e n i o < 1 5 : 8 > a r e v a l i d . 1 3 . l b # m u s t b e a c t i v e ( l b # = v i l ) f o r t h e s e b i t s t o b e v a l i d . 1 4 . s f e n # a c t i v e w h e n e i t h e r c s # l = v i l o r c s # r = v i l . i t i s i n a c t i v e w h e n c s # l = c s # r = v i h . 1 5 . s f e n # = v i l f o r o d r r e a d s a n d w r i t e s . 1 6 . o u t p u t e n a b l e m u s t b e l o w ( o e # = v i l ) d u r i n g r e a d s f o r v a l i d d a t a t o b e o u t p u t . 1 7 . d u r i n g o d r w r i t e s d a t a i s a l s o w r i t t e n t o t h e m e m o r y .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 8 o f 2 5 m a x i m u m r a t i n g s e x c e e d i n g m a x i m u m r a t i n g s [ 1 8 ] m a y s h o r t e n t h e u s e f u l l i f e o f t h e d e v i c e . u s e r g u i d e l i n e s a r e n o t t e s t e d . s t o r a g e t e m p e r a t u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? 6 5 c t o + 1 5 0 c a m b i e n t t e m p e r a t u r e w i t h p o w e r a p p l i e d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? 5 5 c t o + 1 2 5 c s u p p l y v o l t a g e t o g r o u n d p o t e n t i a l . . . . . . . . . . . . . . ? 0 . 5 v t o + 3 . 3 v d c v o l t a g e a p p l i e d t o o u t p u t s i n h i g h z s t a t e . . . . . . . . . . . . . . . . . . . . . . . ? 0 . 5 v t o v c c + 0 . 5 v d c i n p u t v o l t a g e [ 1 9 ] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? 0 . 5 v t o v c c + 0 . 5 v o u t p u t c u r r e n t i n t o o u t p u t s ( l o w ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 0 m a s t a t i c d i s c h a r g e v o l t a g e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 2 0 0 0 v l a t c h u p c u r r e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 2 0 0 m a o p e r a t i n g r a n g e r a n g e a m b i e n t t e m p e r a t u r e v c c i n d u s t r i a l ? 4 0 c t o + 8 5 c 1 . 8 v 1 0 0 m v 2 . 5 v 1 0 0 m v 3 . 0 v 3 0 0 m v e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v o v e r t h e o p e r a t i n g r a n g e p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 p 1 i o v o l t a g e p 2 i o v o l t a g e m i n t y p m a x m i n t y p m a x m i n t y p m a x v o h o u t p u t h i g h v o l t a g e ( i o h = ? 1 0 0 ! a ) 1 . 8 v ( a n y p o r t ) v d d i o ? 0 . 2 ? ? v d d i o ? 0 . 2 ? ? v d d i o ? 0 . 2 ? ? v o u t p u t h i g h v o l t a g e ( i o h = ? 2 m a ) 2 . 5 v ( a n y p o r t ) 2 . 0 ? ? 2 . 0 ? ? 2 . 0 ? ? v o u t p u t h i g h v o l t a g e ( i o h = ? 2 m a ) 3 . 0 v ( a n y p o r t ) 2 . 1 ? ? 2 . 1 ? ? 2 . 1 ? ? v v o l o u t p u t l o w v o l t a g e ( i o l = 1 0 0 ! a # 1 . 8 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v o u t p u t h i g h v o l t a g e ( i o h = 2 m a ) 2 . 5 v ( a n y p o r t ) ? ? 0 . 4 ? ? 0 . 4 ? ? 0 . 4 v o u t p u t h i g h v o l t a g e ( i o h = 2 m a ) 3 . 0 v ( a n y p o r t ) ? ? 0 . 4 ? ? 0 . 4 ? ? 0 . 4 v v o l o d r o d r o u t p u t l o w v o l t a g e ( i o l = 8 m a # 1 . 8 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v 2 . 5 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v 3 . 0 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v v i h i n p u t h i g h v o l t a g e 1 . 8 v ( a n y p o r t ) 1 . 2 ? v d d i o + 0 . 2 1 . 2 ? v d d i o + 0 . 2 1 . 2 ? v d d i o + 0 . 2 v 2 . 5 v ( a n y p o r t ) 1 . 7 ? v d d i o + 0 . 3 1 . 7 ? v d d i o + 0 . 3 1 . 7 ? v d d i o + 0 . 3 v 3 . 0 v ( a n y p o r t ) 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 v v i l i n p u t l o w v o l t a g e 1 . 8 v ( a n y p o r t ) ? 0 . 2 ? 0 . 4 ? 0 . 2 ? 0 . 4 ? 0 . 2 ? 0 . 4 v 2 . 5 v ( a n y p o r t ) ? 0 . 3 ? 0 . 6 ? 0 . 3 ? 0 . 6 ? 0 . 3 ? 0 . 6 v 3 . 0 v ( a n y p o r t ) ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 v i o z o u t p u t l e a k a g e c u r r e n t 1 . 8 v 1 . 8 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c e x o d r o d r o u t p u t l e a k a g e c u r r e n t . v o u t = v d d i o 1 . 8 v 1 . 8 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a n o t e s 1 8 . t h e v o l t a g e o n a n y i n p u t o r i o p i n c a n n o t e x c e e d t h e p o w e r p i n d u r i n g p o w e r - u p . 1 9 . p u l s e w i d t h < 2 0 n s .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 9 o f 2 5 i i x i n p u t l e a k a g e c u r r e n t 1 . 8 v 1 . 8 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c c o p e r a t i n g c u r r e n t ( v c c = m a x , i o u t = 0 m a ) o u t p u t s d i s a b l e d i n d . 1 . 8 v 1 . 8 v ? 2 5 4 0 ? 2 5 4 0 ? 1 5 2 5 m a i s b 1 s t a n d b y c u r r e n t ( b o t h p o r t s t t l l e v e l ) c e # l a n d c e # r $ v c c ? 0 . 2 , f = f m a x i n d . 1 . 8 v 1 . 8 v ? 2 6 ? 2 6 ? 2 6 ! a i s b 2 s t a n d b y c u r r e n t ( o n e p o r t t t l l e v e l ) c e # l o r c e # r $ v i h , f = f m a x i n d . 1 . 8 v 1 . 8 v ? 8 . 5 1 8 ? 8 . 5 1 8 ? 8 . 5 1 4 m a i s b 3 s t a n d b y c u r r e n t ( b o t h p o r t s c m o s l e v e l ) c e # l a n d c e # r $ v c c % & 0 . 2 v , f = 0 i n d . 1 . 8 v 1 . 8 v ? 2 6 ? 2 6 ? 2 6 ! a i s b 4 s t a n d b y c u r r e n t ( o n e p o r t c m o s l e v e l ) c e # l o r c e # r $ v i h , f = f m a x [ 2 0 ] i n d . 1 . 8 v 1 . 8 v ? 8 . 5 1 8 ? 8 . 5 1 8 ? 8 . 5 1 4 m a e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v ( c o n t i n u e d ) o v e r t h e o p e r a t i n g r a n g e ( c o n t i n u e d ) p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 p 1 i o v o l t a g e p 2 i o v o l t a g e m i n t y p m a x m i n t y p m a x m i n t y p m a x n o t e 2 0 . f m a x = 1 / t r c = a l l i n p u t s c y c l i n g a t f = 1 / t r c ( e x c e p t o u t p u t e n a b l e ) . f = 0 m e a n s n o a d d r e s s o r c o n t r o l l i n e s c h a n g e . t h i s a p p l i e s o n l y t o i n p u t s a t c m o s l e v e l s t a n d b y i s b 3 .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 0 o f 2 5 e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 2 . 5 v o v e r t h e o p e r a t i n g r a n g e p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 p 1 i o v o l t a g e p 2 i o v o l t a g e m i n t y p m a x m i n t y p m a x m i n t y p m a x v o h o u t p u t h i g h v o l t a g e ( i o h = ? 2 m a ) 2 . 5 v ( a n y p o r t ) 2 . 0 ? ? 2 . 0 ? ? 2 . 0 ? ? v 3 . 0 v ( a n y p o r t ) 2 . 1 ? ? 2 . 1 ? ? 2 . 1 ? ? v v o l o u t p u t l o w v o l t a g e ( i o l = 2 m a # 2 . 5 v ( a n y p o r t ) ? ? 0 . 4 ? ? 0 . 4 ? ? 0 . 4 v 3 . 0 v ( a n y p o r t ) ? ? 0 . 4 ? ? 0 . 4 ? ? 0 . 4 v v o l o d r o d r o u t p u t l o w v o l t a g e ( i o l = 8 m a # 2 . 5 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v 3 . 0 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v v i h i n p u t h i g h v o l t a g e 2 . 5 v ( a n y p o r t ) 1 . 7 ? v d d i o + 0 . 3 1 . 7 ? v d d i o + 0 . 3 1 . 7 ? v d d i o + 0 . 3 v 3 . 0 v ( a n y p o r t ) 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 v v i l i n p u t l o w v o l t a g e 2 . 5 v ( a n y p o r t ) ? 0 . 3 ? 0 . 6 ? 0 . 3 ? 0 . 6 ? 0 . 3 ? 0 . 6 v 3 . 0 v ( a n y p o r t ) ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 v i o z o u t p u t l e a k a g e c u r r e n t 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c e x o d r o d r o u t p u t l e a k a g e c u r r e n t . v o u t = v c c 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i i x i n p u t l e a k a g e c u r r e n t 2 . 5 v 2 . 5 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c c o p e r a t i n g c u r r e n t ( v c c = m a x , i o u t = 0 m a ) o u t p u t s d i s a b l e d i n d . 2 . 5 v 2 . 5 v ? 3 9 5 5 ? 3 9 5 5 ? 2 8 4 0 m a i s b 1 s t a n d b y c u r r e n t ( b o t h p o r t s t t l l e v e l ) c e # l a n d c e # r $ v c c ? 0 . 2 , f = f m a x i n d . 2 . 5 v 2 . 5 v ? 6 8 ? 6 8 ? 6 8 ! a i s b 2 s t a n d b y c u r r e n t ( o n e p o r t t t l l e v e l ) c e # l o r c e # r $ v i h , f = f m a x i n d . 2 . 5 v 2 . 5 v ? 2 1 3 0 ? 2 1 3 0 ? 1 8 2 5 m a i s b 3 s t a n d b y c u r r e n t ( b o t h p o r t s c m o s l e v e l ) c e # l a n d c e # r $ v c c % & 0 . 2 v , f = 0 i n d . 2 . 5 v 2 . 5 v ? 4 6 ? 4 6 ? 4 6 ! a i s b 4 s t a n d b y c u r r e n t ( o n e p o r t c m o s l e v e l ) c e # l o r c e # r $ v i h , f = f m a x [ 2 1 ] i n d . 2 . 5 v 2 . 5 v ? 2 1 3 0 ? 2 1 3 0 ? 1 8 2 5 m a n o t e 2 1 . f m a x = 1 / t r c = a l l i n p u t s c y c l i n g a t f = 1 / t r c ( e x c e p t o u t p u t e n a b l e ) . f = 0 m e a n s n o a d d r e s s o r c o n t r o l l i n e s c h a n g e . t h i s a p p l i e s o n l y t o i n p u t s a t c m o s l e v e l s t a n d b y i s b 3 .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 1 o f 2 5 e l e c t r i c a l c h a r a c t e r i s t i c s f o r 3 . 0 v o v e r t h e o p e r a t i n g r a n g e p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 p 1 i o v o l t a g e p 2 i o v o l t a g e m i n t y p m a x m i n t y p m a x m i n t y p m a x v o h o u t p u t h i g h v o l t a g e ( i o h = ? 2 m a ) 3 . 0 v ( a n y p o r t ) 2 . 1 ? ? 2 . 1 ? ? 2 . 1 ? ? v v o l o u t p u t l o w v o l t a g e ( i o l = 2 m a # 3 . 0 v ( a n y p o r t ) ? ? 0 . 4 ? ? 0 . 4 ? ? 0 . 4 v v o l o d r o d r o u t p u t l o w v o l t a g e ( i o l = 8 m a # 3 . 0 v ( a n y p o r t ) ? ? 0 . 2 ? ? 0 . 2 ? ? 0 . 2 v v i h i n p u t h i g h v o l t a g e 3 . 0 v ( a n y p o r t ) 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 2 . 0 ? v d d i o + 0 . 2 v v i l i n p u t l o w v o l t a g e 3 . 0 v ( a n y p o r t ) ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 ? 0 . 2 ? 0 . 7 v i o z o u t p u t l e a k a g e c u r r e n t 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c e x o d r o d r o u t p u t l e a k a g e c u r r e n t . v o u t = v c c 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i i x i n p u t l e a k a g e c u r r e n t 3 . 0 v 3 . 0 v ? 1 ? 1 ? 1 ? 1 ? 1 ? 1 ! a i c c o p e r a t i n g c u r r e n t ( v c c = m a x , i o u t = 0 m a ) o u t p u t s d i s a b l e d i n d . 3 . 0 v 3 . 0 v ? 4 9 7 0 ? 4 9 7 0 ? 4 2 6 0 m a i s b 1 s t a n d b y c u r r e n t ( b o t h p o r t s t t l l e v e l ) c e # l a n d c e # r $ v c c ? 0 . 2 , f = f m a x i n d . 3 . 0 v 3 . 0 v 7 1 0 7 1 0 7 1 0 ! a i s b 2 i n d . 3 . 0 v 3 . 0 v 2 8 4 0 2 8 4 0 2 5 3 5 m a i s b 3 s t a n d b y c u r r e n t ( o n e p o r t t t l l e v e l ) c e # l o r c e # r $ v i h , f = f m a x i n d . 3 . 0 v 3 . 0 v 6 8 6 8 6 8 ! a i s b 4 i n d . 3 . 0 v 3 . 0 v 2 8 4 0 2 8 4 0 2 5 3 5 m a c a p a c i t a n c e p a r a m e t e r [ 2 2 ] d e s c r i p t i o n t e s t c o n d i t i o n s m a x u n i t c i n i n p u t c a p a c i t a n c e t a = 2 5 c , f = 1 m h z , v c c = 3 . 0 v 9 p f c o u t o u t p u t c a p a c i t a n c e 1 0 p f n o t e 2 2 . t e s t e d i n i t i a l l y a n d a f t e r a n y d e s i g n o r p r o c e s s c h a n g e s t h a t m a y a f f e c t t h e s e p a r a m e t e r s .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 2 o f 2 5 f i g u r e 2 . a c t e s t l o a d s a n d w a v e f o r m s 1 . 8 v g n d 9 0 % 9 0 % 1 0 % 1 0 % a l l i n p u t p u l s e s ( a ) n o r m a l l o a d r 1 3 . 0 v / 2 . 5 v / 1 . 8 v o u t p u t r 2 c = 3 0 p f v t h = 0 . 8 v o u t p u t ( b ) t h v e n i n e q u i v a l e n t ( l o a d 1 ) ( c ) t h r e e - s t a t e d e l a y ( l o a d 2 ) r 1 r 2 3 . 0 v / 2 . 5 v / 1 . 8 v o u t p u t r t h = 6 k ' " % 3 n s " % 3 n s i n c l u d i n g s c o p e a n d j i g ) ( u s e d f o r t l z , t h z , t h z w e , a n d t l z w e 3 . 0 v / 2 . 5 v 1 . 8 v r 1 1 0 2 2 ' 1 3 5 0 0 ' r 2 7 9 2 ' 1 0 8 0 0 ' c = 3 0 p f c = 5 p f s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v o v e r t h e o p e r a t i n g r a n g e [ 2 3 ] p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 m i n m a x m i n m a x m i n m a x a d m u x p o r t r e a d c y c l e [ 2 4 ] t r c r e a d c y c l e t i m e 6 5 ? 6 5 ? 9 0 ? n s t a c c 1 r a n d o m a c c e s s a d v # l o w t o d a t a v a l i d ? 6 5 ? 6 5 ? 9 0 n s t a c c 2 r a n d o m a c c e s s a d d r e s s t o d a t a v a l i d ? 6 5 ? 6 5 ? 9 0 n s t a c c 3 r a n d o m a c c e s s c s # t o d a t a v a l i d ? 6 5 ? 6 5 ? 9 0 n s t a v d a r a n d o m a c c e s s a d v # h i g h t o d a t a v a l i d ? 3 5 ? 3 5 ? 5 0 n s t a v d a d v # l o w p u l s e 1 5 ? 1 5 ? 2 0 ? n s t a v d s a d d r e s s s e t u p t o a d v # r i s i n g e d g e 1 5 ? 1 5 ? 2 0 ? n s t a v d h a d d r e s s h o l d f r o m a d v # r i s i n g e d g e 3 ? 3 ? 5 ? n s t c s s c s # s e t u p t o a d v # r i s i n g e d g e 7 ? 7 ? 1 0 ? n s t o e o e # l o w t o d a t a v a l i d ? 3 5 ? 3 5 ? 5 0 n s t l z o e [ 2 5 ] o e # l o w t o i o l o w z 3 ? 3 ? 5 ? n s t h z o e o e # h i g h t o i o h i g h z ? 1 5 ? 1 5 ? 2 5 n s t h z c s c s # h i g h t o i o h i g h z ? 1 5 ? 1 5 ? 2 5 n s t d b e u b # / l b # l o w t o i o v a l i d ? 3 5 ? 3 5 ? 5 0 n s t l z b e u b # / l b # l o w t o i o l o w z 3 ? 3 ? 5 ? n s t h z b e u b # / l b # h i g h t o i o h i g h z ? 1 5 ? 1 5 ? 2 5 n s t a v o e a d v # h i g h t o o e # l o w 0 ? 0 ? 0 ? n s n o t e s 2 3 . a l l t i m i n g p a r a m e t e r s a r e m e a s u r e d w i t h l o a d 2 s p e c i f i e d i n f i g u r e 2 . 2 4 . a d m u x p o r t t i m i n g a p p l i e s t o l e f t a d m u x p o r t a n d r i g h t p o r t c o n f i g u r e d t o a d m u x p o r t . 2 5 . t h i s p a r a m e t e r i s g u a r a n t e e d b y n o t t e s t e d .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 3 o f 2 5 a d m u x p o r t w r i t e c y c l e [ 2 6 ] t w c w r i t e c y c l e t i m e 6 5 ? 6 5 ? 9 0 ? n s t s c s c s # l o w t o w r i t e e n d 6 5 ? 6 5 ? 9 0 ? n s t a v d a d v # l o w p u l s e 1 5 ? 1 5 ? 2 0 ? n s t a v d s a d d r e s s s e t u p t o a d v # r i s i n g e d g e 1 5 ? 1 5 ? 2 0 ? n s t a v d h a d d r e s s h o l d f r o m a d v # r i s i n g e d g e 3 ? 3 ? 5 ? n s t c s s c s # s e t u p t o a d v # r i s i n g e d g e 7 ? 7 ? 1 0 ? n s t w r l w e # p u l s e w i d t h 2 8 ? 2 8 ? 4 5 ? n s t b w u b # / l b # l o w t o w r i t e e n d 2 8 ? 2 8 ? 4 5 ? n s t s d d a t a s e t u p t o w r i t e e n d 2 0 ? 2 0 ? 3 0 ? n s t h d d a t a h o l d f r o m w r i t e e n d 0 ? 0 ? 0 ? n s t l z w e w e # h i g h t o i o l o w z 0 ? 0 ? 0 ? n s t a v w e a d v # h i g h t o w e # l o w 0 ? 0 ? 0 ? n s s t a n d a r d p o r t r e a d c y c l e [ 2 7 ] t r c r e a d c y c l e t i m e 4 0 ? 6 0 ? 6 0 ? n s t a a a d d r e s s t o d a t a v a l i d ? 4 0 ? 6 0 ? 6 0 n s t o h a o u t p u t h o l d f r o m a d d r e s s c h a n g e 5 ? 5 ? 5 ? n s t a c s c s # t o d a t a v a l i d ? 4 0 ? 6 0 ? 6 0 n s t d o e o e # l o w t o d a t a v a l i d ? 2 5 ? 3 5 ? 3 5 n s t l z o e [ 2 8 ] o e # l o w t o d a t a l o w z 5 ? 5 ? 5 ? n s t h z o e o e # h i g h t o d a t a h i g h z ? 1 0 ? 3 0 ? 3 0 n s t l z c s c s # l o w t o d a t a l o w z 5 ? 5 ? 5 ? n s t h z c s c s # h i g h t o d a t a h i g h z ? 1 0 ? 3 0 ? 3 0 n s t l z b e u b # / l b # l o w t o d a t a l o w z 5 ? 5 ? 5 ? n s t h z b e u b # / l b # h i g h t o d a t a h i g h z ? 1 0 ? 3 0 ? 3 0 n s t a b e u b # / l b # a c c e s s t i m e ? 4 0 ? 6 0 ? 6 0 n s s t a n d a r d s r a m p o r t w r i t e c y c l e t w c w r i t e c y c l e t i m e 4 0 ? 6 0 ? 6 0 ? n s t s c s c s # l o w t o w r i t e e n d 3 0 ? 5 0 ? 5 0 ? n s t a w a d d r e s s v a l i d t o w r i t e e n d 3 0 ? 5 0 ? 5 0 ? n s t h a a d d r e s s h o l d f r o m w r i t e e n d 0 ? 0 ? 0 ? n s t s a a d d r e s s s e t u p t o w r i t e s t a r t 0 ? 0 ? 0 ? n s s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v ( c o n t i n u e d ) o v e r t h e o p e r a t i n g r a n g e [ 2 3 ] ( c o n t i n u e d ) p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 m i n m a x m i n m a x m i n m a x n o t e s 2 6 . a d m u x p o r t t i m i n g a p p l i e s t o l e f t a d m u x p o r t a n d r i g h t p o r t c o n f i g u r e d t o a d m u x p o r t . 2 7 . s t a n d a r d s r a m p o r t t i m i n g a p p l i e s t o r i g h t p o r t c o n f i g u r e d t o s t a n d a r d s r a m p o r t . 2 8 . t h i s p a r a m e t e r i s g u a r a n t e e d b y n o t t e s t e d .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 4 o f 2 5 t w r l w r i t e p u l s e w i d t h 2 5 ? 4 5 ? 4 5 ? n s t s d d a t a s e t u p t o w r i t e e n d 2 0 ? 3 0 ? 3 0 ? n s t h d d a t a h o l d f r o m w r i t e e n d 0 ? 0 ? 0 ? n s t h z w e w e # l o w t o d a t a h i g h z ? 1 5 ? 2 5 ? 2 5 n s t l z w e w e # h i g h t o d a t a l o w z 0 ? 0 ? 0 ? n s a r b i t r a t i o n t i m i n g t b l a b u s y # l o w f r o m a d d r e s s m a t c h ? 3 0 ? 5 0 ? 5 0 n s t b h a b u s y # h i g h f r o m a d d r e s s m i s m a t c h ? 3 0 ? 5 0 ? 5 0 n s t b l c b u s y # l o w f r o m c s # l o w ? 3 0 ? 5 0 ? 5 0 n s t b h c b u s y # h i g h f r o m c s # h i g h ? 3 0 ? 5 0 ? 5 0 n s t p s [ 2 9 ] p o r t s e t u p f r o m p r i o r i t y 5 ? 5 ? 5 ? n s t b d d b u s y # h i g h t o d a t a v a l i d ? 3 0 ? 5 0 ? 5 0 n s t w d d w r i t e p u l s e t o d a t a d e l a y ? 5 5 ? 8 5 ? 8 5 n s t d d d w r i t e d a t a v a l i d t o r e a d d a t a v a l i d ? 4 5 ? 7 0 ? 7 0 n s i n t e r r u p t t i m i n g t i n s i n t # s e t t i m e ? 3 5 ? 5 5 ? 5 5 n s t i n r i n t # r e s e t t i m e ? 3 5 ? 5 5 ? 5 5 n s s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v ( c o n t i n u e d ) o v e r t h e o p e r a t i n g r a n g e [ 2 3 ] ( c o n t i n u e d ) p a r a m e t e r d e s c r i p t i o n c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 b 1 6 c y d m x 2 5 6 a 1 6 c y d m x 1 2 8 a 1 6 c y d m x 0 6 4 a 1 6 u n i t ? 6 5 ? 6 5 ? 9 0 m i n m a x m i n m a x m i n m a x n o t e 2 9 . a d d 2 n s t o t h i s p a r a m e t e r i f v c c a n d v d d i o r a r e < 1 . 8 v , a n d v d d i o l i s > 2 . 5 v a t t e m p e r a t u r e < 0 c .
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 5 o f 2 5 s w i t c h i n g w a v e f o r m s f i g u r e 3 . a d m p o r t r e a d c y c l e ( e i t h e r p o r t a c c e s s , w e # h i g h ) f i g u r e 4 . a d m p o r t w r i t e c y c l e ( e i t h e r p o r t a c c e s s , w e # c o n t r o l l e d , o e # h i g h ) v a l i d a d d r e s s i / o [ 1 5 : 0 ] a d v # o e # w e # c s # v a l i d d a t a t a v d t a v d s t a v d h t c s s t a v o e t a c c 3 t a c c 1 t a c c 2 t h z c s t h z o e t a v d a t o e u b # , l b # t l z b e t d b e t h z b e a d d r 1 < 1 5 . . 0 > i / o [ 1 5 : 0 ] a d v # o e # w e # c s # w d a t a 1 < 1 5 . . 0 > t a v w e t w r l t s d t h d t a v d t a v d s t a v d h t c s s t s c s u b # , l b # t b w
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 6 o f 2 5 f i g u r e 5 . a d m p o r t w r i t e c y c l e ( e i t h e r p o r t a c c e s s , c s # c o n t r o l l e d , o e # h i g h ) f i g u r e 6 . s t a n d a r d p o r t r e a d c y c l e ( r i g h t p o r t a c c e s s , w e # h i g h ) a d d r 1 < 1 5 . . 0 > i / o [ 1 5 : 0 ] a d v # o e # w e # c s # w d a t a 1 < 1 5 . . 0 > t a v w e t w r l t s d t h d t a v d t a v d s t a v d h t c s s t s c s u b # , l b # t b w v a l i d a d d r e s s a d d r e s s o e # w e # c s # t r c t h z c s t h z o e u b # , l b # t h z b e d a t a o u t v a l i d d a t a t o h a t a a t a c s t d o e t l z o e t l z c s t a b e t l z b e
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 7 o f 2 5 f i g u r e 7 . s t a n d a r d p o r t w r i t e c y c l e ( r i g h t p o r t a c c e s s , w e # c o n t r o l l e d ) f i g u r e 8 . s t a n d a r d p o r t w r i t e c y c l e ( r i g h t p o r t a c c e s s , c s # c o n t r o l l e d ) v a l i d a d d r e s s a d d r e s s o e # w e # c s # t w c t l z w e u b # , l b # t b w d a t a v a l i d d a t a t a w t s a t w r l t s d t h d t h z w e t h a v a l i d a d d r e s s a d d r e s s o e # w e # c s # t w c t l z c s u b # , l b # t b w d a t a v a l i d d a t a t a w t s a t w r l t s d t h d t h z w e t h a t s c s
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 8 o f 2 5 f i g u r e 9 . a r b i t r a t i o n t i m i n g f i g u r e 1 0 . a r b i t r a t i o n t i m i n g ( a d d r e s s c o n t r o l l e d w i t h l e f t a d m a n d r i g h t s t a n d a r d c o n f i g u r a t i o n a d d r e s s m a t c h a d d r e s s l & r c s # l b u s y # l c s # r t b l c t p s t b h c a d d r e s s m a t c h a d d r e s s r b u s y # r t b l a l e f t a d d r e s s v a l i d f i r s t t p s t b h a i / o l [ 1 5 : 0 ] m i s m a t c h a d v # l a d d r e s s l ( i n t e r n a l ) t a v d h v a l i d l e f t a d d r e s s a d d r e s s r b u s y # l t b l a t p s t b h a i / o l [ 1 5 : 0 ] a d v # l a d d r e s s l ( i n t e r n a l ) t a v d h d a t a a d d r e s s m a t c h t a v d h v a l i d a d d r e s s v a l i d a d d r e s s m i s m a t c h v a l i d a d d r e s s r i g h t a d d r e s s v a l i d f i r s t
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 1 9 o f 2 5 f i g u r e 1 1 . a r b i t r a t i o n t i m i n g ( a d d r e s s c o n t r o l l e d w i t h l e f t a d m a n d r i g h t a d m c o n f i g u r a t i o n ) f i g u r e 1 2 . r e a d w i t h b u s y # t i m i n g a d d r e s s r ( i n t e r n a l ) b u s y # r t b l a t p s t b h a a d v # l a d d r e s s l ( i n t e r n a l ) t a v d h t a v d h m i s m a t c h a d v # r t a v d h a d d r e s s m a t c h a d d r e s s r b u s y # r i / o l [ 1 5 : 0 ] a v d # l w e # l d a t a v a l i d a d d r e s s v a l i d a d d r e s s a d d r e s s m a t c h t w d d t d d d d a t a o u t r v a l i d d a t a t b d d
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 0 o f 2 5 f i g u r e 1 3 . i n t e r r u p t t i m i n g c s # l i n t # r t i n s t h d r i g h t m a i l b o x a d d r i / o l [ 1 5 : 0 ] o e # l w r i t e d a t a w e # l c s # o r w e # , w h i c h e v e r a s s e r t l o w l a t e r c s # o r w e # , w h i c h e v e r a s s e r t h i g h f i r s t l e f t p o r t w r i t e s r i g h t m a i l b o x t o s e t i n t # r r i g h t p o r t r e a d s r i g h t m a i l b o x t o c l e a r i n t # r r i g h t m a i l b o x a d d r a d d r e s s r o e # r w e # r c s # r i n t # r t i n r c s # , o e # o r w e # , w h i c h e v e r a s s e r t l a t e s t
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 1 o f 2 5 o r d e r i n g i n f o r m a t i o n o r d e r i n g c o d e d e f i n i t i o n s 1 6 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m s p e e d ( n s ) o r d e r i n g c o d e p a c k a g e n a m e p a c k a g e t y p e o p e r a t i n g r a n g e 6 5 c y d m x 2 5 6 a 1 6 - 6 5 b v x i b z 1 0 0 1 0 0 - b a l l p b - f r e e 0 . 5 m m p i t c h b g a i n d u s t r i a l 6 5 c y d m x 2 5 6 b 1 6 - 6 5 b v x i b z 1 0 0 1 0 0 - b a l l p b - f r e e 0 . 5 m m p i t c h b g a i n d u s t r i a l 9 0 c y d m x 2 5 6 a 1 6 - 9 0 b v x i b z 1 0 0 1 0 0 - b a l l p b - f r e e 0 . 5 m m p i t c h b g a i n d u s t r i a l 8 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m s p e e d ( n s ) o r d e r i n g c o d e p a c k a g e n a m e p a c k a g e t y p e o p e r a t i n g r a n g e 6 5 c y d m x 1 2 8 a 1 6 - 6 5 b v x i b z 1 0 0 1 0 0 - b a l l b g a p b - f r e e i n d u s t r i a l 6 5 c y d m x 1 2 8 b 1 6 - 6 5 b v x i b z 1 0 0 1 0 0 - b a l l b g a p b - f r e e i n d u s t r i a l 4 k 1 6 m o b l a d m a s y n c h r o n o u s d u a l - p o r t s r a m s p e e d ( n s ) o r d e r i n g c o d e p a c k a g e n a m e p a c k a g e t y p e o p e r a t i n g r a n g e 9 0 c y d m x 0 6 4 a 1 6 - 9 0 b v x i b z 1 0 0 1 0 0 - b a l l b g a p b - f r e e i n d u s t r i a l t e m p e r a t u r e r a n g e : i = i n d u s t r i a l x = p b - f r e e p a c k a g e t y p e : b v = 1 0 0 - b a l l b g a l a t e n c y i n n s : 6 5 / 9 0 b u s w i d t h v e r s i o n d u a l - p o r t d e n s i t y i n k b : 0 6 4 / 1 2 8 / 2 5 6 x = a d m u x i n t e r f a c e n o x = s t a n d a r d s r a m i n t e r f a c e c y d m = c y p r e s s m o b l d u a l - p o r t c y d m x x x x x - i b v x x x x x
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 2 o f 2 5 p a c k a g e d i a g r a m f i g u r e 1 4 . 1 0 0 - b a l l v f b g a ( 6 6 1 . 0 m m ) b z 1 0 0 p a c k a g e o u t l i n e , 5 1 - 8 5 2 0 9 5 1 - 8 5 2 0 9 * d
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 3 o f 2 5 a c r o n y m s d o c u m e n t c o n v e n t i o n s u n i t s o f m e a s u r e a c r o n y m d e s c r i p t i o n b g a b a l l g r i d a r r a y c m o s c o m p l e m e n t a r y m e t a l o x i d e s e m i c o n d u c t o r c s c h i p s e l e c t i / o i n p u t / o u t p u t l v c m o s l o w v o l t a g e c o m p l e m e n t a r y m e t a l o x i d e s e m i c o n d u c t o r l v t t l l o w v o l t a g e t r a n s i s t o r - t r a n s i s t o r l o g i c o d r o u t p u t d r i v e r e g i s t e r o e o u t p u t e n a b l e s r a m s t a t i c r a n d o m a c c e s s m e m o r y t t l t r a n s i s t o r - t r a n s i s t o r l o g i c v f b g a v e r y f i n e - p i t c h b a l l g r i d a r r a y w e w r i t e e n a b l e s y m b o l u n i t o f m e a s u r e c d e g r e e c e l s i u s m h z m e g a h e r t z a m i c r o a m p e r e m a m i l l i a m p e r e m m m i l l i m e t e r m s m i l l i s e c o n d m v m i l l i v o l t n s n a n o s e c o n d ' o h m % p e r c e n t p f p i c o f a r a d v v o l t w w a t t
c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i p a g e 2 4 o f 2 5 d o c u m e n t h i s t o r y p a g e d o c u m e n t t i t l e : c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 / c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 / c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 , 1 6 k / 8 k / 4 k 1 6 m o b l ? a d m a s y n c h r o n o u s d u a l - p o r t s t a t i c r a m d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . e c n n o . o r i g . o f c h a n g e s u b m i s s i o n d a t e d e s c r i p t i o n o f c h a n g e * * 4 6 2 2 3 4 h k h n e w d a t a s h e e t * a 4 9 1 7 0 2 h k h u p d a t e d s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v : r e m o v e d n o n e a p p l i c a b l e t i m i n g t b w r e v i s e d s t a n d a r d p o r t t i m i n g n u m b e r s c o r r e c t e d t y p o * b 5 0 0 4 2 5 h k h u p d a t e d e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v : u p d a t e d d c d a t a t h a t a r e p r e v i o u s l y t b d . u p d a t e d e l e c t r i c a l c h a r a c t e r i s t i c s f o r v c c = 2 . 5 v : u p d a t e d d c d a t a t h a t a r e p r e v i o u s l y t b d . u p d a t e d s w i t c h i n g c h a r a c t e r i s t i c s f o r v c c = 1 . 8 v : a d d e d n o t e f o r t l z o e t h a t i s g u a r a n t e e d b y d e s i g n b y n o t t e s t e d u p d a t e d t w c , t s c s t o r e f l e c t b i n s p e c a d d e d n o t e f o r s p e c i a l c o n d i t i o n o f t p s * c 2 1 4 7 8 6 6 y d t / h k h / a e s a s e e e c n r e l a x e d - 6 5 s t a n d a r d p o r t t i m i n g t o m a t c h t h e s t a n d a r d p o r t t i m i n g o f - 9 0 . a d d e d n e w d e v i c e s c y d m x 2 5 6 b 1 6 , c y d m x 1 2 8 b 1 6 a n d c y d m x 0 6 4 b 1 6 . * d 3 0 3 1 1 0 2 v e d 0 9 / 1 5 / 2 0 1 0 c h a n g e d t o p o s t o n t h e e x t e r n a l w e b . n o o t h e r c h a n g e . * e 3 0 5 3 5 8 2 h k h 1 0 / 0 8 / 2 0 1 0 a d d e d t a b l e o f c o n t e n t s . u p d a t e d o r d e r i n g i n f o r m a t i o n : r e m o v e d p r u n e d d e v i c e c y d m x 0 6 4 a 1 6 - 6 5 b v x i . a d d e d o r d e r i n g c o d e d e f i n i t i o n s . u p d a t e d s a l e s l i n k s . * f 3 2 0 9 9 8 7 h k h 0 3 / 3 0 / 2 0 1 1 u p d a t e d o r d e r i n g i n f o r m a t i o n . u p d a t e d p a c k a g e d i a g r a m . u p d a t e d i n n e w t e m p l a t e . * g 3 2 4 6 0 8 5 h k h 0 5 / 0 2 / 2 0 1 1 a d d e d a c r o n y m s a n d u n i t s o f m e a s u r e . * h 3 4 0 1 8 7 5 h k h 1 0 / 1 1 / 2 0 1 1 u p d a t e d o r d e r i n g i n f o r m a t i o n : r e m o v e d p r u n e d d e v i c e c y d m x 0 6 4 b 1 6 - 6 5 b v x i . * i 4 4 1 8 1 4 1 h b m 0 6 / 2 4 / 2 0 1 4 u p d a t e d i n n e w t e m p l a t e . c o m p l e t i n g s u n s e t r e v i e w .
d o c u m e n t n u m b e r : 0 0 1 - 0 8 0 9 0 r e v . * i r e v i s e d j u n e 2 4 , 2 0 1 4 p a g e 2 5 o f 2 5 m o b l i s a r e g i s t e r e d t r a d e m a r k o f c y p r e s s s e m i c o n d u c t o r c o r p o r a t i o n . a l l p r o d u c t s a n d c o m p a n y n a m e s m e n t i o n e d i n t h i s d o c u m e n t m a y b e t h e t r a d e m a r k s o f t h e i r r e s p e c t i v e h o l d e r s . c y d m x 2 5 6 a 1 6 / c y d m x 2 5 6 b 1 6 c y d m x 1 2 8 a 1 6 / c y d m x 1 2 8 b 1 6 c y d m x 0 6 4 a 1 6 / c y d m x 0 6 4 b 1 6 ? c y p r e s s s e m i c o n d u c t o r c o r p o r a t i o n , 2 0 0 6 - 2 0 1 4 . t h e i n f o r m a t i o n c o n t a i n e d h e r e i n i s s u b j e c t t o c h a n g e w i t h o u t n o t i c e . c y p r e s s s e m i c o n d u c t o r c o r p o r a t i o n a s s u m e s n o r e s p o n s i b i l i t y f o r t h e u s e o f a n y c i r c u i t r y o t h e r t h a n c i r c u i t r y e m b o d i e d i n a c y p r e s s p r o d u c t . n o r d o e s i t c o n v e y o r i m p l y a n y l i c e n s e u n d e r p a t e n t o r o t h e r r i g h t s . c y p r e s s p r o d u c t s a r e n o t w a r r a n t e d n o r i n t e n d e d t o b e u s e d f o r m e d i c a l , l i f e s u p p o r t , l i f e s a v i n g , c r i t i c a l c o n t r o l o r s a f e t y a p p l i c a t i o n s , u n l e s s p u r s u a n t t o a n e x p r e s s w r i t t e n a g r e e m e n t w i t h c y p r e s s . f u r t h e r m o r e , c y p r e s s d o e s n o t a u t h o r i z e i t s p r o d u c t s f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e - s u p p o r t s y s t e m s w h e r e a m a l f u n c t i o n o r f a i l u r e m a y r e a s o n a b l y b e e x p e c t e d t o r e s u l t i n s i g n i f i c a n t i n j u r y t o t h e u s e r . t h e i n c l u s i o n o f c y p r e s s p r o d u c t s i n l i f e - s u p p o r t s y s t e m s a p p l i c a t i o n i m p l i e s t h a t t h e m a n u f a c t u r e r a s s u m e s a l l r i s k o f s u c h u s e a n d i n d o i n g s o i n d e m n i f i e s c y p r e s s a g a i n s t a l l c h a r g e s . a n y s o u r c e c o d e ( s o f t w a r e a n d / o r f i r m w a r e ) i s o w n e d b y c y p r e s s s e m i c o n d u c t o r c o r p o r a t i o n ( c y p r e s s ) a n d i s p r o t e c t e d b y a n d s u b j e c t t o w o r l d w i d e p a t e n t p r o t e c t i o n ( u n i t e d s t a t e s a n d f o r e i g n ) , u n i t e d s t a t e s c o p y r i g h t l a w s a n d i n t e r n a t i o n a l t r e a t y p r o v i s i o n s . c y p r e s s h e r e b y g r a n t s t o l i c e n s e e a p e r s o n a l , n o n - e x c l u s i v e , n o n - t r a n s f e r a b l e l i c e n s e t o c o p y , u s e , m o d i f y , c r e a t e d e r i v a t i v e w o r k s o f , a n d c o m p i l e t h e c y p r e s s s o u r c e c o d e a n d d e r i v a t i v e w o r k s f o r t h e s o l e p u r p o s e o f c r e a t i n g c u s t o m s o f t w a r e a n d o r f i r m w a r e i n s u p p o r t o f l i c e n s e e p r o d u c t t o b e u s e d o n l y i n c o n j u n c t i o n w i t h a c y p r e s s i n t e g r a t e d c i r c u i t a s s p e c i f i e d i n t h e a p p l i c a b l e a g r e e m e n t . a n y r e p r o d u c t i o n , m o d i f i c a t i o n , t r a n s l a t i o n , c o m p i l a t i o n , o r r e p r e s e n t a t i o n o f t h i s s o u r c e c o d e e x c e p t a s s p e c i f i e d a b o v e i s p r o h i b i t e d w i t h o u t t h e e x p r e s s w r i t t e n p e r m i s s i o n o f c y p r e s s . d i s c l a i m e r : c y p r e s s m a k e s n o w a r r a n t y o f a n y k i n d , e x p r e s s o r i m p l i e d , w i t h r e g a r d t o t h i s m a t e r i a l , i n c l u d i n g , b u t n o t l i m i t e d t o , t h e i m p l i e d w a r r a n t i e s o f m e r c h a n t a b i l i t y a n d f i t n e s s f o r a p a r t i c u l a r p u r p o s e . c y p r e s s r e s e r v e s t h e r i g h t t o m a k e c h a n g e s w i t h o u t f u r t h e r n o t i c e t o t h e m a t e r i a l s d e s c r i b e d h e r e i n . c y p r e s s d o e s n o t a s s u m e a n y l i a b i l i t y a r i s i n g o u t o f t h e a p p l i c a t i o n o r u s e o f a n y p r o d u c t o r c i r c u i t d e s c r i b e d h e r e i n . c y p r e s s d o e s n o t a u t h o r i z e i t s p r o d u c t s f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e - s u p p o r t s y s t e m s w h e r e a m a l f u n c t i o n o r f a i l u r e m a y r e a s o n a b l y b e e x p e c t e d t o r e s u l t i n s i g n i f i c a n t i n j u r y t o t h e u s e r . t h e i n c l u s i o n o f c y p r e s s ? p r o d u c t i n a l i f e - s u p p o r t s y s t e m s a p p l i c a t i o n i m p l i e s t h a t t h e m a n u f a c t u r e r a s s u m e s a l l r i s k o f s u c h u s e a n d i n d o i n g s o i n d e m n i f i e s c y p r e s s a g a i n s t a l l c h a r g e s . u s e m a y b e l i m i t e d b y a n d s u b j e c t t o t h e a p p l i c a b l e c y p r e s s s o f t w a r e l i c e n s e a g r e e m e n t . s a l e s , s o l u t i o n s , a n d l e g a l i n f o r m a t i o n w o r l d w i d e s a l e s a n d d e s i g n s u p p o r t c y p r e s s m a i n t a i n s a w o r l d w i d e n e t w o r k o f o f f i c e s , s o l u t i o n c e n t e r s , m a n u f a c t u r e r ? s r e p r e s e n t a t i v e s , a n d d i s t r i b u t o r s . t o f i n d t h e o f f i c e c l o s e s t t o y o u , v i s i t u s a t c y p r e s s l o c a t i o n s . p r o d u c t s a u t o m o t i v e c y p r e s s . c o m / g o / a u t o m o t i v e c l o c k s & b u f f e r s c y p r e s s . c o m / g o / c l o c k s i n t e r f a c e c y p r e s s . c o m / g o / i n t e r f a c e l i g h t i n g & p o w e r c o n t r o l c y p r e s s . c o m / g o / p o w e r p s o c c y p r e s s . c o m / g o / p l c m e m o r y c y p r e s s . c o m / g o / m e m o r y p s o c c y p r e s s . c o m / g o / p s o c t o u c h s e n s i n g c y p r e s s . c o m / g o / t o u c h u s b c o n t r o l l e r s c y p r e s s . c o m / g o / u s b w i r e l e s s / r f c y p r e s s . c o m / g o / w i r e l e s s p s o c ? s o l u t i o n s p s o c . c y p r e s s . c o m / s o l u t i o n s p s o c 1 | p s o c 3 | p s o c 4 | p s o c 5 l p c y p r e s s d e v e l o p e r c o m m u n i t y c o m m u n i t y | f o r u m s | b l o g s | v i d e o | t r a i n i n g t e c h n i c a l s u p p o r t c y p r e s s . c o m / g o / s u p p o r t


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