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1 ps8524a 08/08/06 product description the pi74avc+16245 is a 16-bit bidirectional transceiver designed for asynchronous two-way communication between data buses. the direction control input pin (xdir) determines the direction of data flow through the bidirectional transceiver. the direction and output enable controls are designed to operate this device as either two independent 8-bit transceivers or one 16-bit transceiver. the output enable (oe) input, when high, disables both a and b ports by placing them in high z condition. to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pull-up resistor; the minimum value of the resistor is determined by the current sinking ability of the driver. 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 2.5v 16-bit bidirectional transceiver with 3-state outputs logic block diagram product features ? pi74avc+16245 is designed for low-voltage operation, v cc = 1.65v to 3.6v ? true 24ma balanced drive @ 3.3v ? compatible with philips and t.i. avc logic family ?i off supports partial power-down operation ? 3.6v i/o tolerant inputs and outputs ? all outputs contain a patented ddc (dynamic drive control) circuit that reduces noise without degrading propagation delay ? industrial operation: ?40c to +85c ? packaging (pb-free & green available): ? 48-pin 240-mil wide plastic tssop ? 48-pin 173-mil wide plastic tvsop pi74avc+16245 1oe 2oe 1b0 1a0 1dir 1b1 1a1 1b2 1a2 1b3 1a3 1b4 1a4 1b5 1a5 1b6 1a6 1b7 1a7 2b0 2a0 2dir 2b1 2a1 2b2 2a2 2b3 2a3 2b4 2a4 2b5 2a5 2b6 2a6 2b7 2a7 06-0180
2 ps8524a 08/08/06 pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1dir 1b0 1b1 gnd 1b2 1b3 vcc 1b4 1b5 gnd 1b6 1b7 2b0 2b1 gnd 2b2 2b3 vcc 2b4 2b5 gnd 2b6 2b7 2dir 1oe 1a0 1a1 gnd 1a2 1a3 vcc 1a4 1a5 gnd 1a6 1a7 2a0 2a1 gnd 2b2 2a3 vcc 2a4 2a5 gnd 2a6 2a7 2oe 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 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, ja (3) : package a .......... 64c/w package k ......... 48c/w storage temperature range, t stg ...................... ?65c to 150c 1. input & output negative-voltage ratings may be exceeded if the input and output curent rating are observed. 2. output positive-voltage rating may be exceeded up to 4.6v maximum if the output current rating is observed. 3. the package thermal impedance is calculated in accordance with jesd 51. notes: 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. s t u p n is t u p t u o e o xr i d x ll a s u b o t a t a d b s u b lh b s u b o t a t a d a s u b hx z product pin description truth table (1) product pin configuration notes: 1. h = high signal level l = low signal level x = don?t care or irrelevant z = high impedance e m a n n i pn o i t p i r c s e d o xe ) w o l e v i t c a ( s t u p n i e l b a n e t u p t u o e t a t s - 3 r i d xt u p n i l o r t n o c n o i t c e r i d x a x s t u p n i e t a t s - 3 r o s t u p n i a e d i s x b x s t u p t u o e t a t s - 3 r o s t u p t u o b e d i s d n gd n u o r g v c c r e w o p 06-0180
pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 3 ps8524a 08/08/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 recommended operating conditions (1) . 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 o4 . 16 . 3 v y l n o n o i t n e t e r a t a d2 . 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 6 . 1 o t v 4 . 1 =v x 5 6 . 0 c c v c c v 5 9 . 1 o t v 5 6 . 1 =v x 5 6 . 0 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 6 . 1 o t v 4 . 1 =v x 5 3 . 0 c c v c c v 5 9 . 1 o t v 5 6 . 1 =v x 5 3 . 0 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 a0v c c e t a t s - 306 . 3 i s 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 6 . 1 o t v 4 . 1 =4 ? a m 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 ? i s 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 6 . 1 o t v 4 . 1 =4 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 t 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 v v c c v 6 . 3 o t v 4 . 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 notes: 1. all unused inputs must be held at v cc or gnd to ensure proper device operation. 06-0180
4 ps8524a 08/08/06 pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 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. p y t. x a ms t i n u v h o i h o 0 0 1 ? = av 6 . 3 o t v 4 . 1v c c v 2 . 0 ? v i s h o 4 ? =m v a h i v 1 9 . 0 =v 4 . 15 0 . 1 i s h o 6 ? =m v a h i v 7 0 . 1 =v 5 6 . 12 . 1 i s h o 2 1 ? =m v a h i v 7 . 1 =v 3 . 25 7 . 1 i s h o 4 2 ? =m v a h i v 2 =v 30 . 2 v l o i s l o 0 0 1 = av 6 . 3 o t v 4 . 12 . 0 i s l o 4 =m v a l i v 9 4 . 0 =v 4 . 14 . 0 i s l o 6 =m v a l i v 7 5 . 0 =v 5 6 . 15 4 . 0 i s l o 2 1 =m v a l i v 7 . 0 =v 3 . 25 5 . 0 i s l o 4 2 =m v a l i v 8 . 0 =v 38 . 0 i i v i v = c c d n g r ov 6 . 35 . 2 a i f f o v i v r o o v 6 . 3 =0 0 1 i z o v o v = c c d n g r ov 6 . 30 1 i c c v i 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 c v i v = c c d n g r o v 5 . 25 . 3 f p v 3 . 35 . 3 s t u p n i a t a d v 5 . 26 v 3 . 36 c o s t u p t u ov o v = c c d n g r o v 5 . 25 . 6 v 3 . 35 . 6 notes: 1. typical values are measured at t a = 25c. dc electrical characteristics (over the operating range, t a = ?40c +85c) 06-0180
pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 5 ps8524a 08/08/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 switching characteristics (over recommended operating free-air temperature range, unless otherwise noted, see figures 1 thru 4) operating characteristics, t a = 25c 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 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 l a c i p y tl a c i p y tl a c i 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 5 38 34 4 f p d e l b a s i d s t u p t u o667 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 . p y t. n i m. x a m. n i m. x a m. n i m. x a m. n i m. x a m t d p ab 9 . 38 . 00 . 47 . 00 . 36 . 09 . 15 . 07 . 1 s n t n e e ob 4 . 85 . 12 . 94 . 10 . 70 . 13 . 47 . 07 . 3 t s i d e ob 4 . 83 . 23 . 92 . 20 . 71 . 10 . 42 . 19 . 3 06-0180
6 ps8524a 08/08/06 pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 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. ? all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 , t r 2.0ns, t f 2.0ns. ? the outputs are measured one at a time with one transition per measurement. ? t plz and t phz are the same as t dis ? t pzl and t pzh are the same as t en ? t plh and t phl are the same as t pd figure 1. load circuit and voltage waveforms 2 2 2xv cc open gnd s1 from output under test cl = 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 ?0.1v 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 06-0180
pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 7 ps8524a 08/08/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 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. ? all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 , t r 2.0ns, t f 2.0ns. ? the outputs are measured one at a time with one transition per measurement. ? t plz and t phz are the same as t dis ? t pzl and t pzh are the same as t en ? t plh and t phl are the same as t pd figure 2. load circuit and voltage waveforms 2 2 2xv cc open gnd s1 from output under test cl = 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 ?0.1v 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 1 k 1 k 0.15v 0.15v 30 06-0180
8 ps8524a 08/08/06 pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 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. ? all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 , t r 2.0ns, t f 2.0ns. ? the outputs are measured one at a time with one transition per measurement. ? t plz and t phz are the same as t dis ? t pzl and t pzh are the same as t en ? t plh and t phl are the same as t pd figure 3. load circuit and voltage waveforms 2 2 2xv cc open gnd s1 from output under test cl = 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 +0.15v ?0.15v 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 500 500 30 06-0180
pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 9 ps8524a 08/08/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 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. ? all input impulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 , t r 2.0ns, t f 2.0ns. ? the outputs are measured one at a time with one transition per measurement. ? t plz and t phz are the same as t dis ? t pzl and t pzh are the same as t en ? t plh and t phl are the same as t pd figure 4. load circuit and voltage waveforms 2 2 2xv cc open gnd s1 from output under test cl = 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 ?0.1v 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 500 500 0.3v 0.3v 30 06-0180
10 ps8524a 08/08/06 pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 packaging mechanical: 48-pin tssop (a-package) packaging mechanical: 48-pin tvsop (k-package) .378 .386 .047 .031 .041 seating plane .0051 .009 .016 bsc 1 48 .169 .177 9.60 9.80 4.30 4.50 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 .252 bsc 6.4 max. 1.20 .236 .244 .488 .496 .002 .006 seating plane .007 .010 .0197 bsc .004 .008 .319 1 48 12.4 12.6 6.0 6.2 0.50 0.17 0.27 8.1 0.05 0.15 0.09 0.20 x.xx x.xx denotes dimensions in millimeters .018 .030 0.45 0.75 .047 1.20 max bsc 06-0180
pi74avc+16245 2.5v 16-bit bidirectional transceiver with 3-state outputs 11 ps8524a 08/08/06 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 212345 notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free & green ? adding an x suffix = tape/reel ordering information pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com e d o c g n i r e d r oe p y t e g a k c a pn o i t p i r c s e d e g a k c a p a 5 4 2 6 1 + c v a 4 7 i pa 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 - 8 4 e a 5 4 2 6 1 + c v a 4 7 i pa 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 - 8 4 , n e e r g & e e r f - b p k 5 4 2 6 1 + c v a 4 7 i pk p o s v t c i t s a l p e d i w l i m - 0 4 2 , n i p - 8 4 e k 5 4 2 6 1 + c v a 4 7 i pk p o s v t c i t s a l p e d i w l i m - 0 4 2 , n i p - 8 4 , n e e r g & e e r f - b p 06-0180

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