unisonic technologies co., ltd u74hc2g02 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2014 unisonic technologies co., ltd qw-r502-084.b 2-input nor gate ? description the u74hc2g02 is a 2-input nor gate which provides the function y=a+b . ? features * operation voltage range: 2.0~6.0v * low power dissipation: i cc =10 a(max) * high speed: t pd =9ns(v cc =4.5v, c l =50pf) *specified from -40 to +85c and -40 to +125c ? ordering information ordering number package packing u74hc2g02g-sm1-r msop-8 tape reel ? marking
u74hc2g02 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-084.b ? pin configuration 4 3 2 1 5 6 7 8 gnd 2y 1b 1a vcc 1y 2b 2a ? function table (each gate) input output a b y l l h l h l h l l h h l ? logic diagram (positive logic)
u74hc2g02 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-084.b ? absolute maximum ratings (unless otherwise specified)(note 1) parameter symbol ratings unit supply voltage v cc -0.5~7 v input voltage v in -0.5~7 v output voltage v out -0.5~v cc +0.5 v input clamp current i ik 20 ma output clamp current i ok 20 ma output current i out 25 ma v cc or gnd current i cc 50 ma power dissipation p d 300 mw storage temperature t stg -65 ~ +150 c notes: 1. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? recommended operating conditions parameter symbol conditions min typ max unit supply voltage v cc 2.0 5.0 6.0 v input voltage v in 0 v cc v output voltage v out 0 v cc v input transition rise or fall times t r ,t f v cc =2.0v 1000 ns v cc =4.5v 6 500 v cc =6v 400 operating temperature t a -40 25 125 c ? static characteristics parameter symbol test conditions -40~85c -40~125c unit min typ max min max high-level input voltage v ih v cc =2.0v 1.5 1.2 1.5 v v cc =4.5v 3.15 2.4 3.15 v cc =6.0v 4.2 3.2 4.2 low-level input voltage v il v cc =2.0v 0.8 0.5 0.5 v v cc =4.5v 2.1 1.35 1.35 v cc =6.0v 2.8 1.8 1.8 high-level output voltage v oh v cc =2.0v, i oh =-20 a 1.9 2.0 1.9 v v cc =4.5v, i oh =-20 a 4.4 4.5 4.4 v cc =6.0v, i oh =-20 a 5.9 6.0 5.9 v cc =4.5v, i oh =-4ma 4.13 4.32 3.7 v cc =6.0v, i oh =-5.2ma 5.63 5.81 5.2 low-level output voltage v ol v cc =2.0v, i ol =20 a 0 0.1 0.1 v v cc =4.5v, i ol =20 a 0 0.1 0.1 v cc =6.0v, i ol =20 a 0 0.1 0.1 v cc =4.5v, i oh =4ma 0.15 0.33 0.4 v cc =6.0v, i oh =5.2ma 0.16 0.33 0.4 input leakage current i i ( leak ) v cc =6.0v, v in =v cc or gnd 1 1 a quiescent supply current i q v cc =6.0v, v in =v cc or gnd, i out =0 10 20 a input capacitance c in v cc =5.0v, v in =v cc or gnd 1.5 pf
u74hc2g02 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-084.b ? dynamic characteristics (input: t r ,t f 6ns;prr 1mhz) see fig.1 and fig.2 for test circuit and waveforms. parameter symbol test conditions -40~85c -40~125c unit min typ max min max propagation delay from input (a and b) to output(y) t phl / t plh v cc = 2.0, c l = 50pf 26 95 110 ns v cc = 4.5, c l = 50pf 9 19 22 ns v cc = 6.0, c l = 50pf 8 16 20 ns output transition time t thl / t tlh v cc = 2.0, c l = 50pf 19 95 125 ns v cc = 4.5, c l = 50pf 7 19 25 ns v cc = 6.0, c l = 50pf 5 16 20 ns ? operating characteristics parameter symbol test conditions min typ max unit power dissipation capacitance c pd no load, f=1mhz, v cc =5 10 pf
u74hc2g02 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-084.b ? test circuit and waveforms note: c l includes probe and jig capacitance. fig. 1 load circuitry for switching times. fig. 2 propagation delay from input(a and b) to output(y) and output transition time. 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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