1 ps8629 08/26/02 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 sotiny ? gate stx dual buffer with 3-state outputs features ? high-speed: t pd = 2.6ns typical into 50pf @ 5v v cc ? broad operating range: v cc = 1.65v ? 5.5v ? power down high-impedance inputs/outputs ? high output drive: 24ma at 3v v cc ? package: ? 8-pin space saving us8 (d) ? 8-pin space saving msop (u) description the pi74stx2g126 is a dual buffer with 3-state outputs that operates over the 1.65v to 5.5v v cc operating range. pericom?s pi74stx series of products are produced using the company?s advanced submicron technology. pi74stx2g126 s t u p n it u p t u o e on an y l l h h l h l h z z l h function table note: h = high logic level l = low logic level z = 3-state pin description s e m a n n i pn o i t p i r c s e d n e os t u p t u o r o f s t u p n i e l b a n e n as t u p n i n ys t u p t u o recommended operating conditions (1) note: 1. unused inputs must be held high or low. they may not float. r e t e m a r a pn o i t i d n o c. n i m. x a ms t i n u v ( e g a t l o v y l p p u s c c )5 6 . 15 . 5 v v ( e g a t l o v t u p n i n i )05 . 5 v ( e g a t l o v t u p t u o t u o )0v c c e r u t a r e p m e t g n i t a r e p o0 4 ?5 8c d n a e s i r t u p n i t ( e m i t l l a f r t , f ) v c c , v 8 . 1 = v 2 . 0 v 5 . 2 00 2 v / s n v c c , v 3 . 3 = v 3 . 0 00 1 v c c , v 0 . 5 = v 5 . 0 05 block diagram pinout oen an yn oe1 y1 a2 oe2 v cc y2 gnd a1 123 4 876 5 8-pin d,u
2 ps8629 08/26/02 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi74stx2g126 sotiny ? gate stx dual buffer with 3-state outputs dc electrical characteristics (over supply voltage and operating temperature ranges, unless otherwise specified) l o b m y sr e t e m a r a pv c c ) v (s n o i t i d n o c t a c 5 2 + =t a c 5 8 + o t 0 4 ? = s t i n u . n i m. p y t. x a m. n i m. x a m v h i l e v e l h g i h e g a t l o v t u p n i 5 9 . 1 - 5 6 . 1 5 . 5 - 3 . 2 v 5 7 . 0 c c v 7 . 0 c c v 5 7 . 0 c c v 7 . 0 c c v v l i l e v e l w o l e g a t l o v t u p n i 5 9 . 1 - 5 6 . 1 5 . 5 - 3 . 2 v 5 2 . 0 c c v 3 . 0 c c v 5 2 . 0 c c v 0 3 . 0 c c v h o l e v e l h g i h e g a t l o v t u p t u o 5 6 . 1 3 . 2 0 . 3 5 . 4 v n i v = l i i h o a 0 0 1 ? =5 5 . 1 2 . 2 9 . 2 4 . 4 5 6 . 1 3 . 2 0 . 3 5 . 4 5 5 . 1 2 . 2 9 . 2 4 . 4 5 6 . 1 3 . 2 0 . 3 0 . 3 5 . 4 i h o a m 4 ? = i h o a m 8 ? = i h o a m 6 1 ? = i h o a m 4 2 ? = i h o a m 2 3 ? = 9 2 . 1 9 . 1 4 . 2 3 . 2 8 . 3 1 5 . 1 2 1 . 2 0 7 . 2 4 5 . 2 5 0 . 4 9 2 . 1 9 . 1 4 . 2 3 . 2 8 . 3 v l o l e v e l w o l e g a t l o v t u p t u o 5 6 . 1 3 . 2 0 . 3 5 . 4 v n i v = h i i l o a 0 0 1 =0 . 0 0 . 0 0 . 0 0 . 0 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 1 . 0 5 6 . 1 3 . 2 0 . 3 0 . 3 5 . 4 i l o a m 4 = i l o a m 8 = i l o a m 6 1 = i l o a m 4 2 = i l o a m 2 3 = 7 0 . 0 0 1 . 0 8 1 . 0 7 2 . 0 1 3 . 0 4 2 . 0 3 . 0 4 . 0 5 5 . 0 5 5 . 0 4 2 . 0 3 . 0 4 . 0 5 5 . 0 5 5 . 0 i n i e g a k a e l t u p n i t n e r r u c 5 . 5 - 0v n i d n g , v 5 . 5 =1 . 0 1 a i z o t u p t u o e t a t s - 3 e g a k a e l 5 . 5 - 5 6 . 1v n i v = h i v r o l i v t u o 0 =r ov 5 . 5 5 . 0 5 i f f o f f o r e w o p t n e r r u c e g a k a e l 0 . 0v n i v r o t u o v 5 . 5 =1 0 1 i c c y l p p u s t n e c s e i u q t n e r r u c 5 . 5 - 5 6 . 1v n i d n g , v 5 . 5 =10 1 note: absolute maximum ratings are dc values beyond which the device may be damaged or have its useful life impaired. the datasheet s pecifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/i nput loading variables. pericom does not recommend operation outside datasheet specifications. 1. the input negative voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. dc output diode current (i ok ) ................... ?50ma to 20ma dc output current (i out ) .......................................... 50ma dc v cc /gnd current (i cc /i gnd ) .............................. 100ma storage temperature (t stg ) ......................... ?65c to +150c junction lead temperature (ios) ................................... 260c power dissipation: msop .......................................... 300mw us8 ............................................. 200mw supply voltage (v cc ) .......................................... ?0.5v to +7v dc input voltage (v in ) ....................................... ?0.5v to +7v voltage range applied to any output in the high impedance or power-off state, v out (1) ................................. ?0.5v to +7v voltage range applied to any output in the high or low state, v out (1) ....................................................... ?0.5v tov cc +0.5v dc input diode current (i ik ) ........................ ?50ma to 20ma absolute maximum ratings
3 ps8629 08/26/02 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi74stx2g126 sotiny ? gate stx dual buffer with 3-state outputs ac electrical characteristics l o b m y sr e t e m a r a pv c c ) v (s n o i t i d n o c t a c 5 2 + = t a o t 0 4 ? = c 5 8 + s t i n u . g i f . o n . n i m. p y t. x a m. n i m. x a m t h l p , t l h p n o i t a g a p o r p , y a l e d n y o t n a 5 1 . 0 8 . 1 2 . 0 5 . 2 3 . 0 3 . 3 5 . 0 0 . 5 c l r , f p 5 1 = d m 1 = , ? s 1 n e p o = 0 . 2 0 . 1 8 . 0 5 . 0 0 . 2 1 5 . 7 2 . 5 5 . 4 0 . 2 0 . 1 8 . 0 5 . 0 0 . 3 1 0 . 8 5 . 5 8 . 4 s n 1 3 t h l p , t l h p n o i t a g a p o r p n y o t n a , y a l e d 3 . 0 3 . 3 5 . 0 0 . 5 c l r , f p 0 5 = d 0 0 5 = , ? s 1 n e p o = 2 . 1 8 . 0 7 . 5 0 . 5 2 . 1 8 . 0 0 . 6 3 . 5 1 3 t h l s o , t l h s o t u p t u o o t t u p t u o w e k s ) 2 ( 3 . 0 3 . 3 5 . 0 0 . 5 c l f p 0 5 = r d 0 0 5 = ? s 1 n e p o = 0 . 1 8 . 0 0 . 1 8 . 0 1 3 t l z p , t h z p e l b a n e t u p t u o e m i t 5 1 . 0 8 . 1 2 . 0 5 . 2 3 . 0 3 . 3 5 . 0 0 . 5 c l r , f p 0 5 = d 0 0 5 = , ? r u s , 0 0 5 = 1 t r o f d n g = h z p s 1 v = n i t r o f l z p v n i v x 2 = c c 0 . 3 8 . 1 2 . 1 8 . 0 0 . 4 1 5 . 8 2 . 6 0 . 5 0 . 3 8 . 1 2 . 1 8 . 0 0 . 5 1 0 . 9 5 . 6 8 . 5 1 3 t z l p , t z h p e l b a s i d t u p t u o e m i t 5 1 . 0 8 . 1 2 . 0 5 . 2 3 . 0 3 . 3 5 . 0 0 . 5 c l r , f p 0 5 = d 0 0 5 = , ? r u s , 0 0 5 = 1 t r o f d n g = z h p s 1 v = n i t r o f z l p v n i v x 2 = c c 5 . 2 5 . 1 0 . 1 8 . 0 0 . 2 1 0 . 8 7 . 5 7 . 4 5 . 2 5 . 1 8 . 0 3 . 0 0 . 3 1 5 . 8 0 . 6 0 . 5 1 3 c , n i c t u o e c n a t i c a p a c t u p n i e c n a t i c a p a c t u p t u o 0 0 . 5 2 . 2 9 . 4 f p c d p n o i t a p i s s i d r e w o p e c n a t i c a p a c ) 3 ( 3 . 3 0 . 5 6 1 0 2 2 notes: 2. parameter guaranteed by design. t oslh = ? t plhmax - t plhmin ? t oshl = ? t phlmax - t phlmin ? 3. c pd is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (i ccd ) at no output loading and operating at 50% duty cycle (see figure 2). c pd is related to i ccd dynamic operating current by the expression: i ccd = (c pd )(v cc )(f in ) + (i cc static).
4 ps8629 08/26/02 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi74stx2g126 sotiny ? gate stx dual buffer with 3-state outputs ac loading and waveforms figure 1. ac test circuit figure 2. i ccd test circuit figure 3. ac waveforms input = ac waveform; t r = t f = 1.8ns; prr = 10 mhz; duty cycle = 50% input oe v cc a output c l includes load and stray capacitance input prr = 1.0 mhz; t w = 500ns input oe input rd c l ru v in open gnd v cc output t pzl oe input gnd v oh v ol v cc gnd 50% 50% 50% 50% 50% 90% 90% 50% 50% 10% 10% 10% 10% 50% 90% 90% v ol v tri v tri t f = 3ns v cc t pzh t r = 3ns t plh t w t w t r = 3ns t r = 3ns t phl t phz t plz output output input output v oh v oh ?0.3v v oh +0.3v
5 ps8629 08/26/02 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi74stx2g126 sotiny ? gate stx dual buffer with 3-state outputs 15 ? max 15 ? max detail a detail a .112 .120 2.85 3.05 .114 .122 2.90 3.10 .114 .122 2.90 3.10 .010 0 ? - 6 ? 15? max. 15? max. 0.25 gauge plane .003 .012 .016 .028 .037 0.40 0.70 0.95 ref 0.07 0.30 .003 .012 0.07 0.30 packaging mechanical: 8-pin msop (u) pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com ordering information t r a pe g a k c a p - n i pg n i k r a m p o te g n a r g n i t a r e p o x u 6 2 1 g 2 x t s 4 7 i pp o s m - n i p - 86 2 1 g 2 , x t s 4 7c o 5 8 o t c o 0 4 ? x d 6 2 1 g 2 x t s 4 7 i p8 s u - n i p - 86 2 g 2 , x t sc o 5 8 o t c o 0 4 ? see detail a detail a .086 .094 2.20 2.40 .075 .083 1.90 2.10 .02 0.50 .118 .126 3.00 3.20 .007 .011 0.17 0.27 .000 .004 0.00 0.10 .024 .031 0.60 0.80 seating plane .035 0.90 .003 .009 0.08 0.23 gage plane .005 0.12 bsc max 0? - 6? 10? ref .008 .014 0.20 0.35 x.xx x.xx denotes dimensions in millimeters packaging mechanical: 8-pin us8 (d) thermal characteristics can be found on the web: http://www.pericom.com/packaging/mechanicals.php
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