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  1 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 features ? precision supply-voltage monitor - 4.63v (pt7a7511, 7521, 7531) - 4.38v (pt7a7512, 7522, 7532) - 3.08v (pt7a7513, 7523, 7533) - 2.93v (pt7a7514, 7524, 7534) - 2.63v (PT7A7515, 7525, 7535) - 2.32v (pt7a7516, 7526, 7536) - 2.20v (pt7a7517, 7527, 7537)  200ms reset pulse width  debounced ttl/cmos-compatible manual- reset input  independent watchdog timer 1.6sec time-out (not available for pt7a7531 - 7537)  reset output signal: - active-low only (pt7a7511 - 7517) - active-high only (pt7a7521 - 7527) - active-high and active-low (pt7a7531 - 7537)  voltage monitor for power-fail or low battery warning  guaranteed reset/reset valid at v cc = 1.2v introduction the pt7a751x/752x/753x family microprocessor (p) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in p systems. these devices reduce the complexity and number of components required to monitor power- supply and battery functions. the main functions are: 1. asserting reset output during power-p, power- down and brownout conditions for p system; 2. detecting power failure or low-battery conditions with a 1.25v threshold detector; 3. watchdog functions (not for pt7a753x). applications  power-supply circuitry in p systems
2 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 contents features ............................................................................................................................... ........................ 1 block diagram .................................................................................................................. .......................... 1 introduction ............................................................................................................................... .................. 1 pin information ................................................................................................................ ........................... 4 pin configuration .............................................................................................................. ................ 4 pin description ................................................................................................................ .................. 4 functional description ......................................................................................................... ....................... 5 reset output ................................................................................................................... ................... 5 watchdog timer ................................................................................................................. ............... 5 manual reset ................................................................................................................... .................. 5 power-fail comparator .......................................................................................................... ........... 5 function reference table ....................................................................................................... ........... 6 detailed specifications ........................................................................................................ ........................ 7 absolute maximum ratings ....................................................................................................... ....... 7 recommended operation condition ................................................................................................ .7 dc electrical characteristics .................................................................................................. ........... 8 ac electrical characteristics .................................................................................................. ........... 9 ordering information ........................................................................................................... ..................... 10 mechanical information ......................................................................................................... ................... 11 notes .......................................................................................................................... ............................... 12
3 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 reset generator mr vcc pfi pfo reset 1.25v v rst vcc 250ua reset figure 2. block diagram of pt7a7531-7537 block diagram figure 1. block diagram of pt7a7511-7517/7521-7527 v cc 250ua v rst 1.25v watchdog transition detector watchdog timer wdi wdo timebase for reset & watchdog reset generator mr vcc pfi reset (reset) pfo
4 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 pin information pin configuration figure 3. pin configuration top view 1 2 3 4 8 7 6 5 m r v cc gnd pfi wdo reset wdi pfo pt7a7511p-7517p pt7a7511w-7517w 8-pin pdip/8-pin soic 1 2 3 4 8 7 6 5 mr v cc gnd pfi wdo reset wdi pfo pt7a7521p-7527p pt7a7521w-7527w 8-pin pdip/8-pin soic 1 2 3 4 8 7 6 5 mr v cc gnd pfi reset reset nc pfo pt7a7531p-7537p pt7a7531w-7537w 8-pin pdip/8-pin soic pin description table 1. pin description e m a n n i pe m a n n i p e m a n n i p e m a n n i pe m a n n i pe p y te p y t e p y t e p y te p y tn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e d r mi : t e s e r - l a u n a m: t e s e r - l a u n a m : t e s e r - l a u n a m : t e s e r - l a u n a m: t e s e r - l a u n a m 0 5 2 l a n r e t n i n a s a h t i . w o l e v i t c a , v 8 . 0 w o l e b d e l l u p n e h w e s l u p t e s e r a s r e g g i r t a a h t i w d n u o r g o t d e t r o h s s a l l e w s a e n i l c i g o l s o m c r o l t t a m o r f n e v i r d e b d n a t n e r r u c p u - l l u p . h c t i w s c c vr e w o p y l p p u s r e w o py l p p u s r e w o p y l p p u s r e w o p y l p p u s r e w o py l p p u s r e w o p d n gd n u o r g e c n e r e f e r d n u o r ge c n e r e f e r d n u o r g e c n e r e f e r d n u o r g e c n e r e f e r d n u o r ge c n e r e f e r d n u o r gs l a n g i s l l a r o f i f pi u p n i r o t i n o m e g a t l o v l i a f - r e w o pu p n i r o t i n o m e g a t l o v l i a f - r e w o p u p n i r o t i n o m e g a t l o v l i a f - r e w o p u p n i r o t i n o m e g a t l o v l i a f - r e w o pu p n i r o t i n o m e g a t l o v l i a f - r e w o p o t i f p t c e n n o c . w o l s e o g o f p , v 5 2 . 1 n a h t s s e l s i i f p n e h w : t . d e s u t o n n e h w c c v r o d n g o f po : t u p t u o l i a f - r e w o p: t u p t u o l i a f - r e w o p : t u p t u o l i a f - r e w o p : t u p t u o l i a f - r e w o p: t u p t u o l i a f - r e w o p s y a t s o f p e s i w r e h t o ; v 5 2 . 1 n a h t s s e l s i i f p n e h w t n e r r u c s k n i s d n a w o l s t e g t i . h g i h i d wi u p n i g o d h c t a wu p n i g o d h c t a w u p n i g o d h c t a w u p n i g o d h c t a wu p n i g o d h c t a w d n a t u o s n u r r e m i t g o d h c t a w l a n r e t n i e h t , c e s 6 . 1 r o f w o l r o h g i h s n i a m e r i d w f i : t s e l b a s i d r e f f u b e t a t s - e e r h t e c n a d e p m i - h g i h a o t i d w g n i t c e n n o c r o i d w g n i t a o l f . w o l s e o g o d w - e e r h t s i i d w . d e t r e s s a s i t e s e r r e v e n e h w s r a e l c r e m i t g o d h c t a w l a n r e t n i e h t . e r u t a e f g o d h c t a w e h t . e g d e g n i l l a f r o g n i s i r a s e e s i d w r o , d e t a t s c nt c e n n o c o n t e s e ro : s e s l u p t u p t u o t e s e r: s e s l u p t u p t u o t e s e r : s e s l u p t u p t u o t e s e r : s e s l u p t u p t u o t e s e r: s e s l u p t u p t u o t e s e r t e s e r e h t w o l e b s i c c v r e v e n e h w w o l s y a t s d n a , d e r e g g i r t n e h w s m 0 0 2 r o f w o l w o l m o r f s e o g r m r o d l o h s e r h t t e s e r e h t e v o b a s e s i r c c v r e t f a s m 0 0 2 r o f w o l s n i a m e r t i . d l o h s e r h t . r m o t d e t c e n n o c s i o d w s s e l n u t e s e r r e g g i r t t o n l l i w t u o e m i t g o d h c t a w a . h g i h o t o d wo t u p t u o g o d h c t a wt u p t u o g o d h c t a w t u p t u o g o d h c t a w t u p t u o g o d h c t a wt u p t u o g o d h c t a w s e o d d n a t n u o c c e s 6 . 1 s t i s e h s i n i f r e m i t g o d h c t a w l a n r e t n i e h t n e h w w o l s l l u p : . s n o i t i d n o c e n i l - w o l g n i r u d w o l s e o g o s l a o d w . d e r a e l c s i g o d h c t a w e h t l i t n u n i a g a h g i h o g t o n s e o d o d w , t e s e r e k i l n u , r e v e w o h ; w o l s y a t s o d w , d l o h s e r h t t e s e r e h t w o l e b s i c c v r e v e n e h w h g i h s e o g o d w , d l o h s e r h t t e s e r e h t e v o b a s e s i r c c v s a n o o s s a . h t d i w e s l u p m u m i n i m e v a h t o n . y a l e d o n h t i w t e s e ro e s e r f o e s r e v n i e h te s e r f o e s r e v n i e h t e s e r f o e s r e v n i e h t e s e r f o e s r e v n i e h te s e r f o e s r e v n i e h t. w o l s i t e s e r , h g i h s i t e s e r r e v e n e h w . h g i h e v i t c a : t
5 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 functional description the pt75xx family can assert reset output during power-up, power-down and brownout conditions for up system, detect power failure or low-battery conditions with a 1.25v threshold detector and have watchdog functions. refer to table 2 for their individual features. the typical application see figure 4. reset output the supervisory circuits can assert reset for a microprocessor during power-up, power-down and brownout to prevent code execution errors. on power-up, once v cc reaches about 1.2v, reset is a guaranteed logic low of 0.4v or less. as v cc rises, reset stays low. when v cc rises above the reset threshold, an internal timer releases reset after about 200ms. reset pulses low whenever v cc drops below the reset threshold (brownout condition). if brownout occurs in the middle of a previously initiated reset pulse, the pulse continues for at least another 140ms. on power-down, once v cc falls below the reset threshold, reset stays low and is guaranteed to be 0.4v or less until vcc drops below 1v. the pt7a752x and pt7a753x active-high reset output is simply the complement of the reset output, and is guaranteed to be valid with v cc down to 1.2v. some ps, such as intel ? s 80c51, require an active-high reset pulse. watchdog timer the watchdog circuit monitors the p ? s activity. if the p does not toggle the watchdog input (wdi) within 1.6sec and wdi is not in high impedance, wdo goes low. as long as reset is asserted or the wdi input is in high impedance, the watchdog timer will stay cleared and will not count. as soon as reset is released and wdi is driven high or low, the timer will start counting. pulses as short as 50ns can be detected. typically, wdo will be connected to the non-maskable interrupt input (nmi) of a p. when v cc drops below the reset threshold, wdo will go low whether or not the watchdog timer has timed out yet. normally this would trigger an nmi interrupt, but reset goes low simultaneously, and thus overrides the nmi interrupt. if wdi is left unconnected, wdo can be used as a low-line output. since floating wdi disables the internal timer, wdo goes low only when v cc falls below the reset threshold, thus functioning as a low-line output. manual reset the manual-reset input (mr) allows reset to be triggered by a push-button switch. the switch is effectively debounced by the 140ms minimum reset pulse width. mr is ttl/cmos logic compatible, so it can be driven by any logic reset output. power-fail comparator the power-fail comparator will send out a low signal once detects a voltage lowered than 1.25v. it can be used for various purposes because its output and non-inverting input are not internally connected. the inverting input is internally connected to a 1.25v reference. figure 4. typical application circuit dc linear regulator vcc supervisory pfi circuit wdi p vcc reset i/o line nmi interrupt in out reset wdo pfo mr p
6 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 function reference table table 2. function table of pt7a75xx family pt7a7511 4.63v low 200 1.6 1.25v detector yes pt7a7521 4.63v high 200 1.6 1.25v detector yes pt7a7531 4.63v low, high 200 unavailable 1.25v detector yes pt7a7512 4.38v low 200 1.6 1.25v detector yes pt7a7522 4.38v high 200 1.6 1.25v detector yes pt7a7532 4.38v low, high 200 unavailable 1.25v detector yes pt7a7513 3.08v low 200 1.6 1.25v detector yes pt7a7523 3.08v high 200 1.6 1.25v detector yes pt7a7533 3.08v low, high 200 unavailable 1.25v detector yes pt7a7514 2.93v low 200 1.6 1.25v detector yes pt7a7524 2.93v high 200 1.6 1.25v detector yes pt7a7534 2.93v low, high 200 unavailable 1.25v detector yes PT7A7515 2.63v low 200 1.6 1.25v detector yes pt7a7525 2.63v high 200 1.6 1.25v detector yes pt7a7535 2.63v low, high 200 unavailable 1.25v detector yes pt7a3516 2.32v low 200 1.6 1.25v detector yes pt7a3526 2.32v high 200 1.6 1.25v detector yes pt7a3536 2.32v low, high 200 unavailable 1.25v detector yes pt7a7517 2.20v low 200 1.6 1.25v detector yes pt7a7527 2.20v high 200 1.6 1.25v detector yes pt7a7537 2.20v low, high 200 unavailable 1.25v detector yes nom. watch dog time (sec), t wd power fail comp. manual reset input part no. reset threshold reset active low or high nom. reset time (ms), t rs
7 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 recommended operation condition table 3. dc electrical characteristics m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e ds n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a mt i n ut i n u t i n u t i n ut i n u v c c 2 x 5 7 , 1 x 5 7 r o f e g a t l o v y l p p u s5 . 40 . 55 . 5v 4 x 5 7 , 3 x 5 7 r o f e g a t l o v y l p p u s0 . 33 . 35 . 5v 7 x 5 7 , 6 x 5 7 , 5 x 5 7 r o f e g a t l o v y l p p u s7 . 20 . 35 . 5v v 1 h i e g a t l o v h g i h t u p n i r m v c c v 0 . 4 >0 . 24 . 2v v c c v 0 . 4v 7 . 0 c c v v 2 h i e g a t l o v h g i h t u p n i i d wv 7 . 0 c c v v 1 l i e g a t l o v w o l t u p n i r m v c c v 0 . 4 >8 . 0v v c c v 0 . 4v 2 . 0 c c v v 2 l i e g a t l o v w o l t u p n i i d w v 3 . 0 c c v t a e r u t a r e p m e t g n i t a r e p o0 4 -5 8 o c storage temperature ....................................................... -65 o c to +150 o c ambient temperature with power applied ....................... -40 o c to +85 o c supply voltage to ground potential (vcc to gnd) ........... -0.3v to +7.0v dc input voltage (all inputs except vcc and gnd) ..... -0.3v to v cc +0.3v dc output current (all outputs) .................................................... 20ma power dissipation ........................................................................ 500mw (depend on package) detailed specifications absolute maximum ratings 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 condi- tions above those indicated in the operational sec- tions of this specification is not implied. exposure to absolute maximum rating conditions for ex- tended periods may affect reliability.
8 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e ds n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a mt i n ut i n u t i n u t i n ut i n u i c c t n e r r u c y l p p u s r e w o p l a n o i t a r e p o v 2 x 5 7 / 1 x 5 7 a 7 t c c v 5 = v 4 x 5 7 / 3 x 5 7 a 7 t p c c v 3 . 3 = v 5 x 5 7 a 7 t p c c v 0 . 3 = v 7 x 5 7 / 6 x 5 7 a 7 t p c c v 5 . 2 = o n ( d e t c e n n o c - n u i d w t f e l ) d a o l t u p t u o 0 30 0 2 v t s r * e g a t l o v d l o h s e r h t t e s e r t a 5 2 = o c v n r % 5 . 1 - v n r v n r % 5 . 1 + v 1 x 5 7 a 7 t p0 6 5 . 40 3 6 . 49 9 6 . 4 2 x 5 7 a 7 t p4 1 3 . 40 8 3 . 46 4 4 . 4 3 x 5 7 a 7 t p4 3 0 . 30 8 0 . 36 2 1 . 3 4 x 5 7 a 7 t p6 8 8 . 20 3 9 . 24 7 9 . 2 5 x 5 7 a 7 t p0 9 5 . 20 3 6 . 29 6 6 . 2 6 x 5 7 a 7 t p5 8 2 . 20 2 3 . 25 5 3 . 2 7 x 5 7 a 7 t p7 6 1 . 20 0 2 . 23 3 2 . 2 v h t r * s i s e r e t s y h d l o h s e r h t t e s e rv c c v n e e w t e b s e i r a v n r % 5 ? 0 7v m v h o e g a t l o v h g i h t u p t u o 0 0 8 = e c r u o s i v 5 . 4 > c c v av c c 5 . 1 - v 0 0 5 = e c r u o s i v 7 . 2 > c c v av 8 . 0 c c 0 5 1 = e c r u o s i v 8 . 1 > c c v av 8 . 0 c c v l o e g a t l o v w o l t u p t u o a m 2 . 3 = k n i s i v 5 . 4 > c c v4 . 0 v a m 2 . 1 = k n i s i v 7 . 2 > c c v3 . 0 0 0 1 = k n i s i v 2 . 1 > c c v a3 . 0 v t f p d l o h s e r h t t u p n i i f p v i f p v 5 . 1 o t v 0 . 1 m o r f s e i r a v t ( a 5 2 = o ) c 3 2 . 15 2 . 17 2 . 1v v i f p v 5 . 1 o t v 0 . 1 m o r f s e i r a v0 2 . 15 2 . 10 3 . 1v i i f p t n e r r u c t u p n i i f p v o t d e t c e n n o c i f p c c 0 0 . 2 a d n g o t d e t c e n n o c i f p0 0 . 2 - i i d w * * t n e r r u c t u p n i i d w e g a r e v a v o t d e t c e n n o c i d w c c 0 30 0 1 a d n g o t d e t c e n n o c i d w0 0 1 -0 3 - i r m t n e r r u c t u p n i r mv , 0 = r m c c v 5 =0 0 6 -0 5 2 -0 0 1 - a dc electrical characteristics table 4. dc electrical characteristics * valid for both reset and reset. v rn is nominal reset threshold voltage. ** wdi is internally serviced within the watchdog period if wdi is left unconnected.
9 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 ac electrical characteristics table 5. ac electrical characteristics m y sm y s m y s m y sm y sn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e ds n o i t i d n o c t s e ts n o i t i d n o c t s e t s n o i t i d n o c t s e t s n o i t i d n o c t s e ts n o i t i d n o c t s e tn i mn i m n i m n i mn i mp y tp y t p y t p y tp y tx a mx a m x a m x a mx a ms t i n us t i n u s t i n u s t i n us t i n u t s r h t d i w e s l u p t e s e rh g i h o t w o l m o r f r m0 4 10 0 20 8 2s m t d w d o i r e p t u o e m i t g o d h c t a w v o t d e i t r m d n a i d w c c , v c c v > n r % 5 + 0 . 16 . 15 2 . 2s t r m h t d i w e s l u p r m0 5 1s n t d m y a l e d t e s e r o t r mv c c v 0 . 5 =0 5 2s n t p w h t d i w e s l u p i d w0 5s n t wp t wd t wd t wd t rs externally triggered by mr wdi wdo reset reset 5v 0v 5v 0v 5v 0v 5v 0v v rt t rs t rs t mr t md wdo reset mr 5v 0v v rt v cc 5v 0v 5v 0v 5v 0v figure 5. watchdog timing diagram figure 6. watchdog timing diagram
10 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 ordering information . o n t r a p. o n t r a p . o n t r a p . o n t r a p. o n t r a pd l o h s e r h t t e s e rd l o h s e r h t t e s e r d l o h s e r h t t e s e r d l o h s e r h t t e s e rd l o h s e r h t t e s e re g a k c a pe g a k c a p e g a k c a p e g a k c a pe g a k c a p. o n t r a p. o n t r a p . o n t r a p . o n t r a p. o n t r a pd l o h s e r h t t e s e rd l o h s e r h t t e s e r d l o h s e r h t t e s e r d l o h s e r h t t e s e rd l o h s e r h t t e s e re g a k c a pe g a k c a p e g a k c a p e g a k c a pe g a k c a p p 1 1 5 7 a 7 t pv 3 6 . 48 - p i d pw 1 1 5 7 a 7 t pv 3 6 . 4) l i m 0 5 1 ( 8 - c i o s p 1 2 5 7 a 7 t pv 3 6 . 48 - p i d pw 1 2 5 7 a 7 t pv 3 6 . 4) l i m 0 5 1 ( 8 - c i o s p 1 3 5 7 a 7 t pv 3 6 . 48 - p i d pw 1 3 5 7 a 7 t pv 3 6 . 4) l i m 0 5 1 ( 8 - c i o s p 2 1 5 7 a 7 t pv 8 3 . 48 - p i d pw 2 1 5 7 a 7 t pv 8 3 . 4) l i m 0 5 1 ( 8 - c i o s p 2 2 5 7 a 7 t pv 8 3 . 48 - p i d pw 2 2 5 7 a 7 t pv 8 3 . 4) l i m 0 5 1 ( 8 - c i o s p 2 3 5 7 a 7 t pv 8 3 . 48 - p i d pw 2 3 5 7 a 7 t pv 8 3 . 4) l i m 0 5 1 ( 8 - c i o s p 3 1 5 7 a 7 t pv 8 0 . 38 - p i d pw 3 1 5 7 a 7 t pv 8 0 . 3) l i m 0 5 1 ( 8 - c i o s p 3 2 5 7 a 7 t pv 8 0 . 38 - p i d pw 3 2 5 7 a 7 t pv 8 0 . 3) l i m 0 5 1 ( 8 - c i o s p 3 3 5 7 a 7 t pv 8 0 . 38 - p i d pw 3 3 5 7 a 7 t pv 8 0 . 3) l i m 0 5 1 ( 8 - c i o s p 4 1 5 7 a 7 t pv 3 9 . 28 - p i d pw 4 1 5 7 a 7 t pv 3 9 . 2) l i m 0 5 1 ( 8 - c i o s p 4 2 5 7 a 7 t pv 3 9 . 28 - p i d pw 4 2 5 7 a 7 t pv 3 9 . 2) l i m 0 5 1 ( 8 - c i o s p 4 3 5 7 a 7 t pv 3 9 . 28 - p i d pw 4 3 5 7 a 7 t pv 3 9 . 2) l i m 0 5 1 ( 8 - c i o s p 5 1 5 7 a 7 t pv 3 6 . 28 - p i d pw 5 1 5 7 a 7 t pv 3 6 . 2) l i m 0 5 1 ( 8 - c i o s p 5 2 5 7 a 7 t pv 3 6 . 28 - p i d pw 5 2 5 7 a 7 t pv 3 6 . 2) l i m 0 5 1 ( 8 - c i o s p 5 3 5 7 a 7 t pv 3 6 . 28 - p i d pw 5 3 5 7 a 7 t pv 3 6 . 2) l i m 0 5 1 ( 8 - c i o s p 6 1 5 7 a 7 t p2 3 . 28 - p i d pw 6 1 5 7 a 7 t p2 3 . 2) l i m 0 5 1 ( 8 - c i o s p 6 2 5 7 a 7 t p2 3 . 28 - p i d pw 6 2 5 7 a 7 t p2 3 . 2) l i m 0 5 1 ( 8 - c i o s p 6 3 5 7 a 7 t p2 3 . 28 - p i d pw 6 3 5 7 a 7 t p2 3 . 2) l i m 0 5 1 ( 8 - c i o s p 7 1 5 7 a 7 t p0 2 . 28 - p i d pw 7 1 5 7 a 7 t p0 2 . 2) l i m 0 5 1 ( 8 - c i o s p 7 2 5 7 a 7 t p0 2 . 28 - p i d pw 7 2 5 7 a 7 t p0 2 . 2) l i m 0 5 1 ( 8 - c i o s p 7 3 5 7 a 7 t p0 2 . 28 - p i d pw 7 3 5 7 a 7 t p0 2 . 2) l i m 0 5 1 ( 8 - c i o s
11 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 mechanical information figure 7. 8-pin soic
12 data sheet pt7a7511-7517/7521-7527/7531-7537 p supervisor circuits ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||| pt0082(05/02) ver:1 pericom technology inc. email: support@pti.com.cn web-site: www.pti.com.cn, www.pti-ic.com china : no. 20 building, 3/f, 481 guiping road, shanghai, 200233, china tel: (86)-21-6485 0576 fax: (86)-21-6485 2181 asia pacific : unit 1517, 15/f, chevalier commercial centre, 8 wang hoi rd, kowloon bay, hongkong tel: (852)-2243 3660 fax: (852)- 2243 3667 u.s.a. : 2380 bering drive, san jose, california 95131, usa tel: (1)-408-435 0800 fax: (1)-408-435 1100 pericom technology incorporation reserves the right to make changes to its products or specifications at any time, without noti ce, in order to improve design or performance and to supply the best possible product. pericom technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in pericom technology product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom technology incorporation. notes


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