1 ps8577 10/04/01 1 2 3 gnd 4 v in x2 v dd clkout 8 7 6 5 x1 nc nc product pin configuration logic block diagram 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012 12345678901 2 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI6CX100-35 product description the PI6CX100-35 is a low-cost, high-performance 3.3v vcxo, designed to replace expensive vcxo modules. the on-chip voltage controlled crystal oscillator accepts a 0 to 3.3v input voltage to cause clocks to vary by 120ppm. this device uses an inexpensive external pullable crystal at 35 mhz to produce the same output frequency. the PI6CX100-35 is designed for xdsl applications. product features ? 3.3v operating voltage ? uses an inexpensive external crystal ? on-chip vcxo with pull range of 240ppm ? vcxo tuning voltage from 0 to 3.3v ? 10ma output drive at cmos levels ? available in soic package 8-pin w 35 mhz 3.3v vcxo for xdsl applications voltage controlled crystal oscillator output buffer v in clkout x1 x2 e m a n n i pr e b m u n n i pe p y tn o i t p i r c s e d 2 x , 1 x8 , 1i n o i t c e n n o c l a t s y r c c n7 , 2t c e n n o c o n v n i 3i o x c v o t t u p n i e g a t l o v d n g4r w pd n u o r g t u o k l c5ot u p t u o k c o l c v d d 6r w py l p p u s r e w o p ) 1 ( pin description note: 1. 0.1f or 0.01f bypass capacitor is required.
2 ps8577 10/04/01 PI6CX100-35 35 mhz 3.3v vcxo for xdsl applications 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 storage temperature ......................................... ?55c to 125c ambient temperature .........................................?40c to 85c supply voltage v dd ................................................ ?0.5v to 7v inputs/outputs voltage .............................. ?0.5v to v dd +0.5v output current ................................................................. 10ma soldering lead temperature (10s) .................................... 260c junction temperature ........................................ ?50c to 150c note: stresses greater than those listed under maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) dc electrical characteristics (unless otherwise specified, v dd = 3.3v, f o = 35.328 mhz, v in = 1.65v, load = 15pf, t a = 25 o c) l o b m y sn o i t p i r c s e dn o i t i d n o c t s e t. n i m. p y t. x a ms t i n u v d d e g a t l o v g n i t a r e p o5 3 1 . 33 . 35 6 4 . 3 v v h o e g a t l o v h g i h t u p t u oi h o a m 2 1 ? =8 . 2 v l o e g a t l o v w o l t u p t u oi l o a m 2 1 =5 . 0 i h o t n e r r u c h g i h t u p t u ov h o v = d d v 5 . 0 ?1 1 ?4 ? a m i l o t n e r r u c w o l t u p t u ov l o v 5 . 0 =42 1 i d d t n e r r u c y l p p u sc l f p 5 1 =6 i z o e g a k a e l - f f o t u p t u o 0 1a r s e c n a t s i s e r e v i t a g e nv n i v 0 =0 8 ? w f o y c n e u q e r f t u p n i 5 3z h m c l e c n a t i c a p a c d a o l t u p t u o 5 10 3f p l o b m y sn o i t p i r c s e dn o i t i d n o c t s e t. n i m. p y t. x a ms t i n u t r t / f e m i t l l a f / e s i rv 1 . 0 d d v 9 . 0 ? d d 5 . 16s n t d e l c y c y t u dv 5 . 0 d d 5 45 5% t j r e t t i j e l c y c - o t - e l c y cc l f p 5 1 =0 5s p d fe g n a r l l u pv n i v ? 0 = d d 0 2 1 m p p n i ly t i r a e n i lv n i v 1 . 0 = d d v 9 . 0 ? d d 0 1 % e m i t t r a t s r o t a l l i c s ov d d v 9 . 0 = d d r e g g i r t5 . 10 1s m ac electrical characteristics (unless otherwise specified, f o = 35.328 mhz, load = 15pf, t a = 25 o c)
3 ps8577 10/04/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI6CX100-35 35 mhz 3.3v vcxo for xdsl applications pullability characteristics -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 140 160 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 f (ppm) vc (v) ats . . . . . . um-5 n o i t p i r c s e dl a t s y r c n o i t a l l i c s o f o e d o m l a t n e m a d n u f e g n a r y c n e u q e r f z h m 8 2 3 . 5 3 e c n a r e l o t y c n e u q e r f m p p 0 2 y t i l i b a t s g n i g a s u l p e r u t a r e p m e t m p p 0 5 e r u t a r e p m e t g n i t a r e p o c 0 7 + o t c 0 2 ? 1 c / 0 c ) . x a m ( 0 4 2 c ( e c n a t i c a p a c d a o l l )f p 7 1 ) r s e ( e c n a t s i s e r s e i r e s t n e l a v i u q e ) . x a m ( s m h o 5 3 recommended crystal specifications gnd v in v in 3.3v x2 v dd clkout c l = 15pf 0.01f x1 nc nc measurement circuit note: 1. 0.1f or 0.01f bypass capacitor is required. 2. crystal frequency is 35.328 mhz.
4 ps8577 10/04/01 PI6CX100-35 35 mhz 3.3v vcxo for xdsl applications 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com plastic 8-pin soic package e d o c g n i r e d r oe m a n e g a k c a pe p y t e g a k c a pe g n a r g n i t a r e p o w 5 3 - 0 0 1 x c 6 i p8 wc i o s l i m - 0 5 1 n i p - 8l a i r t s u d n i ordering information .0040 .0098 seating plane .013 .020 .050 bsc .016 .0075 .0098 1 8 .0099 .0196 0-8? .050 .149 .157 x.xx x.xx denotes dimensions in millimeters 3.78 3.99 .189 .196 4.80 5.00 1.27 .016 .026 1.35 1.75 .2284 .2440 5.80 6.20 0.406 0.660 0.330 0.508 0.10 0.25 0.40 1.27 0.19 0.25 0.25 0.50 x 45? .053 .068 ref
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