1 ps8541 05/01/01 clkba to 17 other channels oeba a1 c1 1d 3 27 30 clkab leab leba 28 2 55 oeab 1 1d c1 clk b1 54 1d c1 clk 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pi74avc+16501 18-bit universal bus transceiver with 3-state outputs logic block diagram product description pericom semiconductor?s pi74avc+ series of logic circuits are produced using the company?s advanced 0.35 micron cmos technology, achieving industry leading speed. the 18-bit pi74avc+ 16501 univeral bus transceiver is designed for 1.65v to 3.6v v cc operation. data flow in each direction is controlled by output enable (oeab and oeba), latch enable (leab and leba), and clock (clkab and clkba) inputs. for a-to-b data flow, the device operates in the transparent mode when leab is high. when leab is low, the a data is latched if clkab is held at a high or low logic level. if leab is low, the a-bus data is stored in the latch/flip-flop on the low-to-high transition of clkab. when oeab is high, the outputs are active. when oeab is low, the outputs are in the high- impedance state. data flow for b to a is similar to that of a to b but uses oeba, leba, and clkba. the output enables are complementary (oeab is active high and oeba is active low) to ensure the high-impedance state during power up or power down, oeba should be tied to v cc through a pull-up resistor and oeab should be tied to gnd through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. product features pi74avc+16501 is designed for low voltage operation, v cc = 1.65v to 3.6v true 24ma balanced drive @ 3.3v i off supports partial power-down operation 3.6v i/o tolerant inputs and outputs all outputs contain a potential ddc (dynamic drive control) that reduces noise without degradating propagation delay. industrial operation at ?40c to +85c packages available: ? 56-pin 240 mil wide plastic tssop (a) ? 56-pin 173 mil wide plastic tvsop (k)
pi74avc+16501 18-bit universal bus transceiver 2 ps8541 05/01/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pin name description oe output enable input (active high) le latch enable (active high) clk clock input (active high) ax data i/o bx data i/o gnd ground v cc power 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 25 26 27 28 32 31 30 29 product pin description truth table (1) ? notes: 1. h = high signal level l = low signal level z = high impedance - = low-to-high transition ? a-to-b data flow is shown: b-to-a flow is similar but uses oeba, leba, clkba. ? output level before the indicated steady-state input conditions were established, provided that clkab is high before leab goes low. output level before the indicated steady-state input conditions were established. product pin configuration 56-pin a,k oeab leab a1 gnd a2 a3 v cc a4 a5 a6 gnd a7 a8 a9 a10 a11 a12 gnd a13 a14 a15 v cc a16 a17 gnd a18 oeba leba gnd clkab b1 gnd b2 b3 v cc b4 b5 b6 gnd b7 b8 b9 b10 b11 b12 gnd b13 b14 b15 vcc b16 b17 gnd b18 clkba gnd s t u p n i b t u p t u o b a e ob a e lb a k l ca lx x x z hh x l l hh x h h hl - ll hl - hh hl h x b0? hl l x 0 b
3 ps8541 05/01/01 pi74avc+16501 18-bit universal bus transceiver 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 recommended operating conditions (1) notes: 1. all unused inputs must be held at v cc or gnd to ensure proper device operation. . n i m. x a ms t i n u v c c e g a t l o v y l p p u s g n i t a r e p o 5 6 . 16 . 3 v y l n o n o i t n e t e r a t a d 2 . 1 v h i e g a t l o v t u p n i l e v e l - h g i h v c c v 2 . 1 =v c c v c c v 5 9 . 1 o t v 5 6 . 1 =x 5 6 . 0v c c v c c v 7 . 2 o t v 3 . 2 =7 . 1 v c c v 6 . 3 o t v 3 =2 v l i e g a t l o v t u p n i l e v e l - w o l v c c v 2 . 1 =d n g v c c v 5 9 . 1 o t v 5 6 . 1 = x 5 3 . 0v c c v c c v 7 . 2 o t v 3 . 2 =7 . 0 v c c v 6 . 3 o t v 3 =8 . 0 v i e g a t l o v t u p n i 06 . 3 v o e g a t l o v t u p t u o e t a t s e v i t c a 0v c c e t a t s - 306 . 3 i h o t n e r r u c t u p t u o l e v e l - h g i h v c c v 5 9 . 1 o t v 5 6 . 1 = 6 ? a m v c c v 7 . 2 o t v 3 . 2 = 2 1 ? v c c v 6 . 3 o t v 3 =4 2 ? i l o t n e r r u c t u p t u o l e v e l - w o l v c c v 5 9 . 1 o t v 5 6 . 1 = 6 v c c v 7 . 2 o t v 3 . 2 = 2 1 v c c v 6 . 3 o t v 3 =4 2 d t d e t a r l l a f r o e s i r n o i t i s n a r t t u p n i vv c c v 6 . 3 o t v 5 6 . 1 =5v / s n t a e r u t a r e p m e t r i a - e e r f g n i t a r e p o 0 4 ?5 8c 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 con- ditions above those indicated in the operational sections of this specification is not implied. expo- sure 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.) supply voltage range, v cc ............................................................................................ ?0.5v to +4.6v input voltage range, v i .................................................................................................... ?0.5v to +4.6v voltage range applied to any output in the high-impedance or power-off state, v o (1) ............................................................ ?0.5v to +4.6v voltage range applied to any output in the high or low state, v o (1,2) ........................................................................................ ?0.5v to v cc +0.5v input clamp current, i ik (v i <0) ............................................................................ ?50ma output clamp current, i ok (v o <0) ...................................................................... ?50ma continuous output current, i o ...................................................................................................... 50ma continuous current through each v cc or gnd ................................................. 100ma package thermal impedance, q ja (3) : package a .................................................. 64c/w package k .................................................. 48c/w storage temperature range, t stg ............................................................ ?65c to 150c notes: 1. input & output negative-voltage ratings may be exceeded if the input and output current rating are observed. 2. output positive-voltage rating may be exceeded up to 4.6v maximum if theoutput current rating is observed. 3. the package thermal impedance is calculated in accordance with jesd 51.
pi74avc+16501 18-bit universal bus transceiver 4 ps8541 05/01/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 s r e t e m a r a ps n o i t i d n o c t s e t ) 1 ( v c c . n i m. x a ms t i n u v h o i h o 0 0 1 ? = m av 6 . 3 o t v 5 6 . 1v c c v 2 . 0 ?v i h o 6 ? =m v a h i v 7 0 . 1 =v 5 6 . 12 . 1 i h o 2 1 ? =m v a h i v 7 . 1 =v 3 . 25 7 . 1 i h o 4 2 ? =m v a h i v 2 =v 30 . 2 v l o i l o 0 0 1 = m av 6 . 3 o t v 5 6 . 12 . 0 i l o 6 =m v a h i v 7 5 . 0 =v 5 6 . 15 4 . 0 i l o 2 1 =m v a h i v 7 . 0 =v 3 . 25 5 . 0 i l o 4 2 =m v a h i v 8 . 0 =v 38 . 0 i i s t u p n i l o r t n o cv i v = c c d n g r ov 6 . 35 . 2 m a i f f o v i v r o o v 6 . 3 =00 1 i z o v i v = c c d n g r ov 6 . 30 1 i c c v o v = c c i d n g r o o 0 =v 6 . 30 4 c i s t u p n i l o r t n o cv i v = c c d n g r ov 5 . 24f p v 3 . 34 s t u p n i a t a dv 5 . 26 v 3 . 36 c o s t u p t u ov o v = c c d n g r ov 5 . 28 v 3 . 38 note: typical values are measured at t a = 25c. dc electrical characteristics (over operating range, t a = ?40c +85c)
5 ps8541 05/01/01 pi74avc+16501 18-bit universal bus transceiver 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 switching characteristics (over recommended operating free-air temperature range,unless otherwise noted, see figures 1 thru 4) v c c v 2 . 1 = v c c v 5 . 1 = v 1 . 0 v c c v 8 . 1 = v 5 1 . 0 v c c v 5 . 2 = v 2 . 0 v c c v 3 . 3 = v 3 . 0 s t i n u . n i m. x a m. n i m. x a m. n i m. x a m. n i m. x a m. n i m. x a m f k c o l c y c n e u q e r f k c o l c 0 8 10 8 1z h m t w n o i t a r u d e s l u p h g i h e l33s n w o l r o h g i h k l c33 t u s e m i t p u t e s k l c e r o f e b a t a d - 5 . 12 . 1 e l e r o f e b a t a d h g i h k l c5 . 12 . 1 w o l k l c0 . 10 . 1 t h m i t d l o h e k l c e r o f e b a t a d - 7 . 07 . 0 e l r e t f a a t a d h g i h k l c w o l r o 4 . 12 . 1 s r e t e m a r a p m o r f ) t u p n i ( o t ) t u p t u o ( v c c v 2 . 1 = v c c v 5 . 1 = v 1 . 0 v c c v 8 . 1 = v 5 1 . 0 v c c v 5 . 2 = v 2 . 0 v c c v 3 . 3 = v 3 . 0 s t i n u . n i m. x a m. n i m. x a m. n i m. x a m. n i m. x a m. n i m. x a m f x a m 0 5 10 5 10 5 1z h m t d p b r o aa r o b2 . 57 . 35 . 30 . 35 . 2 s n e l b r o a 2 . 63 . 40 . 43 . 30 . 3 k l c0 . 76 . 44 . 43 . 30 . 3 t n e b a e ob 3 . 61 . 49 . 33 . 30 . 3 t s i d b a e ob 3 . 67 . 43 . 43 . 33 . 3 t n e a b e oa 8 . 66 . 42 . 46 . 33 . 3 t s i d a b e oa 0 . 70 . 55 . 49 . 36 . 3 timing requirements (over recommended operating free-air temperature range,unless otherwise noted, see figures 1 thru 4) operating characteristics, t a = 25 c s r e t e m a r a ps n o i t i d n o c t s e t v c c v 8 . 1 = v 2 . 0 v c c v 5 . 2 = v 2 . 0 v c c v 3 . 3 = v 3 . 0 s t i n u . p y t. p y t. p y t 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 d e l b a n e s t u p t u o c l , f p 0 = z h m 0 1 = f 1 24 20 3 f p d e l b a s i d s t u p t u o247
pi74avc+16501 18-bit universal bus transceiver 6 ps8541 05/01/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 parameter measurement information v cc = 1.2v and 1.5v 0.1v load circuit voltage waveforms propagation delay times voltage waveforms enable and disable times voltage waveforms pulse duration t s e t1 s t d p t z l p t / l z p t z h p t / h z p n e p o v x 2 c c d n g notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 w , t r 2.0ns, t f 2.0ns. d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis f. t pzl and t pzh are the same as t en g. t plh and t phl are the same as t pd figure 1. load circuit and voltage waveforms 2 w 2 w 2xv cc open gnd s1 from output under test c l = 15pf (see note a) t pzl output control (low level enabling) 0v v cc /2 v cc /2 v cc /2 v cc /2 t plz t phz v ol v cc 0v t pzh +0.1v C0.1v output waveform 1 s1 at 2 x v cc (see note b) output waveform 2 s1 at gnd (see note b) v oh v oh v ol v cc input t plh t phl 0v output v oh v ol v cc /2 v cc /2 v cc /2 v cc v cc /2 input t w v cc /2 v cc v cc /2 0v data input t su t h v cc /2 v cc v cc /2 0v v cc 0v timing input v cc /2 voltage waveforms setup and hold times
7 ps8541 05/01/01 pi74avc+16501 18-bit universal bus transceiver 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 parameter measurement information v cc = 1.8v 0.15v load circuit voltage waveforms propagation delay times voltage waveforms enable and disable times voltage waveforms pulse duration t s e t1 s t d p t z l p t / l z p t z h p t / h z p n e p o v x 2 c c d n g notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 w , t r 2.0ns, t f 2.0ns. d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis f. t pzl and t pzh are the same as t en g. t plh and t phl are the same as t pd figure 2. load circuit and voltage waveforms 1k w 1k w 2xv cc open gnd s1 from output under test c l = 30pf (see note a) input t plh t phl 0v output v oh v ol v cc /2 v cc /2 v cc /2 v cc v cc /2 input t w v cc /2 v cc v cc /2 0v data input t su t h v cc /2 v cc v cc /2 0v v cc 0v timing input v cc /2 voltage waveforms setup and hold times
pi74avc+16501 18-bit universal bus transceiver 8 ps8541 05/01/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 parameter measurement information v cc = 2.5v 0.2v load circuit voltage waveforms propagation delay times voltage waveforms enable and disable times voltage waveforms pulse duration t s e t1 s t d p t z l p t / l z p t z h p t / h z p n e p o v x 2 c c d n g notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 w , t r 2.0ns, t f 2.0ns. d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis f. t pzl and t pzh are the same as t en g. t plh and t phl are the same as t pd figure 3. load circuit and voltage waveforms t pzl output control (low level enabling) 0v v cc /2 v cc /2 v cc /2 v cc /2 t plz t phz v ol v cc 0v t pzh +0.15v C0.15v output waveform 1 s1 at 2 x v cc (see note b) output waveform 2 s1 at gnd (see note b) v oh v oh v ol v cc input t plh t phl 0v output v oh v ol v cc /2 v cc /2 v cc /2 v cc v cc /2 input t w v cc /2 v cc v cc /2 0v data input t su t h v cc /2 v cc v cc /2 0v v cc 0v timing input v cc /2 voltage waveforms setup and hold times
9 ps8541 05/01/01 pi74avc+16501 18-bit universal bus transceiver 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 parameter measurement information v cc = 3.3v 0.3v load circuit voltage waveforms propagation delay times voltage waveforms enable and disable times voltage waveforms pulse duration t s e t1 s t d p t z l p t / l z p t z h p t / h z p n e p o v x 2 c c d n g notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 w , t r 2.0ns, t f 2.0ns. d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis f. t pzl and t pzh are the same as t en g. t plh and t phl are the same as t pd figure 4. load circuit and voltage waveforms 500 w 500 w 2xv cc open gnd s1 from output under test c l = 30pf (see note a) t pzl output control (low level enabling) 0v v cc /2 v cc /2 v cc /2 v cc /2 t plz t phz v ol v cc 0v t pzh +0.3v C0.3v output waveform 1 s1 at 2 x v cc (see note b) output waveform 2 s1 at gnd (see note b) v oh v oh v ol v cc input t plh t phl 0v output v oh v ol v cc /2 v cc /2 v cc /2 v cc v cc /2 input t w v cc /2 v cc v cc /2 0v data input t su t h v cc /2 v cc v cc /2 0v v cc 0v timing input v cc /2 voltage waveforms setup and hold times
pi74avc+16501 18-bit universal bus transceiver 10 ps8541 05/01/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com packaging mechanical - 56-pin tssop (a package) packaging mechanical - 56-pin tvsop (k package) n o i t a m r o f n i g n i r e d r o n o i t p i r c s e d a 1 0 5 6 1 + c v a 4 7 i p p o s s t c i t s a l p e d i w l i m - 0 4 2 , n i p - 6 5 k 1 0 5 6 1 + c v a 4 7 i p p o s v t c i t s a l p e d i w l i m - 3 7 1 , n i p - 6 5 .047 .031 .041 seating plane .016 bsc 1 56 .169 .177 11.20 11.40 4.30 4.50 1.20 0.40 0.13 0.23 0.80 1.05 x.xx x.xx denotes dimensions in millimeters .002 .006 0.05 0.15 .0035 .008 0.09 0.20 .018 .030 0.45 0.75 6.4 .252 bsc .005 .009 .441 .449 max. .002 .006 seating plane .007 .011 .004 .008 1 56 .236 .244 0.50 0.17 0.27 0.05 0.15 0.09 0.20 x.xx x.xx denotes dimensions in millimeters .018 .030 0.45 0.75 .047 max. 1.20 6.0 6.2 .547 .555 13.9 14.1 .319 8.1 .0197 bsc bsc ordering information
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