unisonic technologies co., ltd u74ac32 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2013 unisonic technologies co., ltd qw-r502-988.a quadruple 2-input positive-or gate ? description the u74ac32 is a quad 2-input positiv e-or gate. the device performs the boolean function y=a+b or yab ? ? in positive logic. ? features * operation voltage range: 2~6v * inputs accept voltages to 6v * max t pd of 7.5 ns at 5v sop-14 ? ordering information ordering number package packing lead free halogen free U74AC32L-S14-R u74ac32g-s14-r sop-14 tape reel
u74ac32 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-988.a ? pin configuration ? function table(each gate) inputs output a b y h x h x h h l l l l: low voltage level; h: high voltage level; x : don?t care ? logic diagram,each gate (positive logic)
u74ac32 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-988.a ? absolute maximum rating (unless otherwise specified) (note 2) parameter symbol ratings unit supply voltage v cc -0.5~7.0 v input voltage v in -0.5~vcc+0.5 v output voltage v out -0.5~v cc +0.5 v input clamp current (v i <0 or v i >v cc ) i ik 20 ma output clamp current (v o <0 or v o >v cc ) i ok 20 ma output current(v o =0 to v cc ) i out 50 ma continuous current through v cc or gnd i cc 200 ma storage temperature t stg -65 ~ +150 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. the input and output voltage ratings may be ex ceeded if the input and output current ratings are observed. ? recommended operating conditions parameter symbol min typ max unit supply voltage v cc 2 6 v input voltage v in 0 vcc v output voltage v out 0 vcc v operating free-air temperature t a -40 85 c input transition rise or fall rate ? t/ ? v 8 ns/v ? electrical characteristics (t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit high-level input voltage v ih v cc =3v 2.1 v v cc =4.5v 3.15 v cc =5.5v 3.85 low-lever output voltage v il v cc =3v 0.9 v v cc =4.5v 1.35 v cc =5.5v 1.65 high-level output voltage v oh v cc =3v, i oh =-50 a 2.9 v v cc =4.5v, i oh =-50 a 4.4 v cc =5.5v, i oh =-50 a 5.4 v cc =3v, i oh =-12ma 2.56 v cc =4.5v, i oh =-24ma 3.86 v cc =5.5v, i oh =-24ma 4.86 low-level output voltage v ol v cc =3v, i oh =50 a 0.002 0.1 v v cc =4.5v, i oh =50 a 0.001 0.1 v cc =5.5v, i oh =50 a 0.001 0.1 v cc =3v, i oh =12ma 0.36 v cc =4.5v, i oh =24ma 0.36 v cc =5.5v, i oh =24ma 0.36 input leakage current i i v i =v cc or gnd, v cc =5.5v 0.1 a quiescent supply current i cc v i =gnd or v cc, i o =0, v cc =5.5v 2 a input capacitance c i v i =v cc or gnd, v cc =5v 2.6 pf
u74ac32 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-988.a ? dynamic characteristics (c l =50pf, r l =500 ? , t a =25c, unless otherwise specified) (see figure 1) parameter symbol test conditions min typ max unit propagation delay from input(a or b) to output(y) t plh v cc =3.3v0.3v 1.5 7 9 ns v cc =5v0.5v 1.5 5.5 7.5 ns t phl v cc =3.3v0.3v 1.5 7 8.5 ns v cc =5v0.5v 1.5 5 7 ns ? operating characteristics (v cc =5v,t a =25c, unless otherwise specified) parameter symbol test conditions min typ max unit power dissipation capacitance c pd c l =50pf, f =1mhz 40 pf
u74ac32 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-988.a ? test circuit and waveforms notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generat ors having the following characteristics: prr 1mhz, z o =50 ? , tr 2.5ns,tf 2.5ns. 3. the outputs are measured one at a time with one input transition per measurement. figure 1. load circuit and voltage waveforms utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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