unisonic technologies co., ltd u74lvc2g02 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2012 unisonic technologies co., ltd qw-r502-790.a dual 2-input positive-nor gate ? description the utc u74lvc2g02 is a dual 2-input positive-nor gate which provides the function y=a+b or y=a+b . this device has power-down protective circuit, preventing device destruction when it is powered down. ? features * operation voltage range: 1.65~5.5v * low power dissipation: i cc =10 a(max) * high speed: tpd=4.9ns(v cc =3.3v) * specified from -40 to +85c ? ordering information ordering number package packing lead free plating halogen free u74lvc2g02l-s08-r u74lvc2g 02g-s08-r sop-8 tape reel u74lvc2g02l-s08-t u74lvc2g02g-s08-t sop-8 tube
u74lvc2g02 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-790.a ? pin configuration 4 3 2 1 5 6 7 8 gnd 2y 1b 1a v cc 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) 1y 1a 1b 1y 1 1 2 7 1 2 7 2y 2a 2b 2y 1 5 6 3 1 2 3 1a 1b 2a 2b iec logic symbol
u74lvc2g02 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-790.a ? absolute maximum ratings (t a =25c , unless otherwise specified) (note 1) parameter symbol ratings unit supply voltage v cc -0.5~6.5 v input voltage v in -0.5~6.5 v output voltage v out -0.5~v cc +0.5 v input clamp current i ik -50 ma output clamp current i ok -50 ma output current i out 50 ma v cc or gnd current i cc 100 ma storage temperature t stg -65 ~ +150 note: 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 symbo l conditions min typ max unit supply voltage v cc 1.65 3.3 5.5 v input voltage v in 0 5.5 v output voltage v out 0 v cc v input transition rise or fall rate t r , t f v cc =1.8v0.15v,2.5v0.2v 20 ns/v v cc =3.3v0.3v 10 v cc =5v0.5v 5 operating temperature t a -40 25 85 c ? static characteristics parameter symbol test conditions min typ max unit high-level input voltage v ih v cc =1.65v to 1.95v 0.65*vcc v v cc =2.3v to 2.7v 1.7 v cc =3v to 3.6v 2 v cc =4.5v to 5.5v 0.7*vcc low-level input voltage v il v cc =1.65v to 1.95v 0.35*vcc v v cc =2.3v to 2.7v 0.7 v cc =3v to 3.6v 0.8 v cc =4.5v to 5.5v 0.3*vcc high-level output voltage v oh v cc =1.65 to 5.5v, i oh =-100 a vcc-0.1 v v cc =1.65v, i oh =-4ma 1.2 v cc =2.3v, i oh =-8ma 1.9 v cc =3v, i oh =-16ma 2.4 v cc =3v, i oh =-24ma 2.3 v cc =4.5v, i oh =-32ma 3.8 low-level output voltage v ol v cc =1.65 to 5.5v, i ol =100 a 0.1 v v cc =1.65v, i ol =4ma 0.45 v cc =2.3v, i ol =8ma 0.3 v cc =3v, i ol =16ma 0.4 v cc =3v, i ol =24ma 0.55 v cc =4.5v, i ol =32ma 0.55 input leakage current i i ( leak ) v cc =0 to 5.5v, v in =5.5v or gnd 5 a power off current i off v cc =0v, v in or vo=5.5v 10 a
u74lvc2g02 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-790.a ? static characteristics(cont.) parameter symbol test conditions min typ max unit quiescent supply current v cc =1.65 to 5.5v, v in =v cc or gnd, i out =0 10 a additional quiescent supply current per input pin i cc v cc =3 to 5.5v, one input at v cc -0.6v, other inputs at v cc or gnd 500 ua input capacitance c in v cc =3.3v, v in =v cc or gnd 5 pf ? dynamic characteristics parameter symbol test conditions min typ max unit propagation delay from input (a or b) to output(y) t phl /t plh v cc =1.8v0.15v, c l =30 pf, r l =1k ? 3.2 8.9 ns v cc =2.5v0.2v, c l =30 pf, r l =500 ? 1 5.4 v cc =3.3v0.3v, c l =50 pf, r l =500 ? 1 4.9 v cc =5v0.5v, c l =50 pf, r l =500 ? 1 4.4 note: see fig. 1 and fig. 2 for test circuit and waveforms. ? operating characteristics parameter test conditions min typ max unit cpd power dissipation capacitance c pd v cc =3.3v, f=10mhz 19 pf
u74lvc2g02 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-790.a ? test circuit and waveforms(cont.) from output c l fig.1 test circuit r l v m v m v m v m v in 0v v oh v ol fig.2 propagation delay times input output t plh t phl t plh t phl v oh v ol output v m v m note: c l includes probe and jig capacitance. all input pulses are supplied by generators having the following characteristics: prr 10mhz, zo = 50 ? . 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. v cc inputs v m c l r l v in t r , t f 1.8v0.15v v cc 2ns v cc /2 30pf 1k ? 2.5v0.2v v cc 2ns v cc /2 30pf 500 ? 3.3v0.3v 3v 2.5ns 1.5v 50pf 500 ? 5v0.5v v cc 2.5ns v cc /2 50pf 500 ?
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