sn54as1032a, sn74as1032a quadruple 2-input positive-or buffers/drivers sdas072b december 1982 revised january 1995 copyright ? 1995, texas instruments incorporated 1 post office box 655303 ? dallas, texas 75265 ? driver version of as32 ? high capacitive-drive capability ? package options include plastic small-outline (d) packages, ceramic chip carriers (fk), and standard plastic (n) and ceramic (j) 300-mil dips description these devices contain four independent 2-input positive-or buffers/drivers. they perform the boolean functions y = a + b or y = a ? b in positive logic. the sn54as1032a is characterized for operation over the full military temperature range of 55 c to 125 c. the sn74as1032a is characterized for operation from 0 c to 70 c. function table (each gate) inputs output a b y h x h x hh l l l logic symbol 2 logic diagram (positive logic) 1 1a 2 1b 4 2a 5 2b 9 3a 10 3b 12 4a 13 4b 1 1y 3 2y 6 3y 8 4y 11 1a 1b 2a 2b 3a 3b 4a 4b 1y 2y 3y 4y 1 2 4 5 9 10 12 13 3 6 8 11 2 this symbol is in accordance with ansi/ieee std 91-1984 and iec publication 617-12. pin numbers shown are for the d, j, and n packages. sn54as1032a ...j p ackage sn74as1032a ...d or n p ackage (top view) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1a 1b 1y 2a 2b 2y gnd v cc 4b 4a 4y 3b 3a 3y sn54as1032a . . . fk package (top view) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 4a nc 4y nc 3b 1y nc 2a nc 2b 1b 1a nc 3y 3a v 4b 2y nc cc nc no internal connection gnd production data information is current as of publication date. products conform to specifications per the terms of texas instruments standard warranty. production processing does not necessarily include testing of all parameters.
sn54as1032a, sn74as1032a quadruple 2-input positive-or buffers/drivers sdas072b december 1982 revised january 1995 2 post office box 655303 ? dallas, texas 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) 2 supply voltage, v cc 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage, v i 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating free-air temperature range, t a : sn54as1032a 55 c to 125 c . . . . . . . . . . . . . . . . . . . . . . . . . . . sn74as1032a 0 c to 70 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 stresses beyond those listed under aabsolute maximum ratingso may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated under arecommended operating conditi onso is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions 3 sn54as1032a sn74as1032a unit min nom max min nom max unit v cc supply voltage 4.5 5 5.5 4.5 5 5.5 v v ih high-level input voltage 2 2 v v il low-level input voltage 0.8 0.8 v i oh high-level output current 40 48 ma i ol low-level output current 40 48 ma t a operating free-air temperature 55 125 0 70 c 3 these high sink- or source-current devices are not recommended for use above 40 mhz. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions sn54as1032a sn74as1032a unit parameter test conditions min typ max min typ max unit v ik v cc = 4.5 v, i i = 18 ma 1.2 1.2 v v cc = 4.5 v to 5.5 v, i oh = 2 ma v cc 2 v cc 2 v oh i oh = 3 ma 2.4 3.2 2.4 3.2 v v oh v cc = 4.5 v i oh = 40 ma 2 v i oh = 48 ma 2 v ol v cc =45v i ol = 40 ma 0.25 0.5 v v ol v cc = 4 . 5 v i ol = 48 ma 0.35 0.5 v i i v cc = 5.5 v, v i = 7 v 0.1 0.1 ma i ih v cc = 5.5 v, v i = 2.7 v 20 20 m a i il v cc = 5.5 v, v i = 0.4 v 0.5 0.5 ma i o ? v cc = 5.5 v, v o = 2.25 v 50 200 50 200 ma i cch v cc = 5.5 v, v i = 4.5 v 7.7 11.5 7.7 11.5 ma i ccl v cc = 5.5 v, v i = 0 14.7 24 14.7 24 ma all typical values are at v cc = 5 v, t a = 25 c. ? the output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, i os .
sn54as1032a, sn74as1032a quadruple 2-input positive-or buffers/drivers sdas072b december 1982 revised january 1995 3 post office box 655303 ? dallas, texas 75265 switching characteristics (see figure 1) parameter from ( input ) to ( output ) v cc = 4.5 v to 5.5 v, c l = 50 pf, r l = 500 w , t a = min to max 2 unit (input) (output) sn54as1032a sn74as1032a min max min max t plh aorb y 1 7 1 6.3 ns t phl a or b y 1 7 1 6.3 ns 2 for conditions shown as min or max, use the appropriate value specified under recommended operating conditions.
sn54as1032a, sn74as1032a quadruple 2-input positive-or buffers/drivers sdas072b december 1982 revised january 1995 4 post office box 655303 ? dallas, texas 75265 parameter measurement information series 54als/74als and 54as/74as devices t phz t plz t phl t plh 0.3 v t pzl t pzh t plh t phl load circuit for 3-state outputs from output under test test point r1 s1 c l (see note a) 7 v 1.3 v 1.3 v 1.3 v 3.5 v 3.5 v 0.3 v 0.3 v t h t su voltage waveforms setup and hold times timing input data input 1.3 v 1.3 v 3.5 v 3.5 v 0.3 v 0.3 v high-level pulse low-level pulse t w voltage waveforms pulse durations input out-of-phase output (see note c) 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 1.3 v 3.5 v 3.5 v 0.3 v 0.3 v v ol v oh v oh v ol output control (low-level enabling) waveform 1 s1 closed (see note b) waveform 2 s1 open (see note b) 0 v v oh v ol 3.5 v in-phase output 0.3 v 1.3 v 1.3 v voltage waveforms propagation delay times voltage waveforms enable and disable times, 3-state outputs r2 v cc r l test point from output under test c l (see note a) load circuit for open-collector outputs load circuit for bi-state totem-pole outputs from output under test test point c l (see note a) r l r l = r1 = r2 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. when measuring propagation delay items of 3-state outputs, switch s1 is open. d. all input pulses have the following characteristics: prr 1 mhz, t r = t f = 2 ns, duty cycle = 50%. e. the outputs are measured one at a time with one transition per measurement. figure 1. load circuits and voltage waveforms
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