unisonic technologies co., ltd u74ahc1g14 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2011 unisonic technologies co., ltd qw-r502-300.d single schmitt-trigger inverter gate ? description the u74ahc1g14 contains one inverter with schmitt-trigger, which provides the function y= a ? features * operation voltage range: 2~5.5v * max t pd of 10ns @ 5v * low power current: i cc =1 a (max.) @ 25c ? ordering information ordering number package packing lead free halogen free U74AHC1G14L-AE5-R u74ahc1g14g-ae5-r sot-23-5 tape reel u74ahc1g14l-af5-r u74ahc1g14g-af5-r sot-25 tape reel u74ahc1g14l-al5-r u74ahc1g14g-al5-r sot-353 tape reel ? marking l: lead free g: halogen free a14 3 2 1 4 5
u74ahc1g14 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-300.d ? pin configuration 3 2 1 4 5 a gnd y v cc nc ? function table input(a) output(y) l h h l h: high voltage level l: low voltage level ? logic diagram
u74ahc1g14 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-300.d ? absolute maximum rating 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 v cc or gnd current i cc 50 ma output current i out 25 ma input clamp current i ik -20 ma output clamp current i ok 20 ma operating temperature t opr -40 ~ +85 c storage temperature t stg -65 ~ +150 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc 2 5.5 v input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v high-level output current i oh v cc =2.0v -50 a v cc =3.3v0.3v -4 ma v cc =5.0v0.5v -8 ma low-level output current i ol v cc =2.0v 50 a v cc =3.3v0.3v 4 ma v cc =5.0v0.5v 8 ma ? electrical characteristics parameter symbol test conditions min typ max unit positive-going threshold v t+ v cc =3.0v 1.2 2.2 v v cc =4.5v 1.75 3.15 v v cc =5.5v 2.15 3.85 v negative-going threshold v t- v cc =3.0v 0.90 1.90 v v cc =4.5v 1.35 2.75 v v cc =5.5v 1.65 3.35 v negative-going threshold v t v cc =3.0v 0.3 1.2 v v cc =4.5v 0.4 1.4 v v cc =5.5v 0.5 1.6 v high-level output voltage v oh v cc =2.0v, i oh =-50 a 1.9 2 v v cc =3.0v, i oh =-50 a 2.9 3 v v cc =4.5v, i oh =-50 a 4.4 4.5 v v cc =3.0v, i oh =-4ma 2.58 v v cc =4.5v, i oh =-8ma 3.94 v low-level output voltage v ol v cc =2.0v, i oh =50 a 0.1 v v cc =3.0v, i oh =50 a 0.1 v v cc =4.5v, i oh =50 a 0.1 v v cc =3.0v, i oh =4ma 0.36 v v cc =4.5v, i oh =8ma 0.36 v input leakage current i i ( leak ) v cc =0~5.5v, v in =5.5v or gnd 0.1 a quiescent supply current i q v cc =5.5v, v in =v cc or gnd, i out =0a 1 a input capacitance c i v cc =5.0v, v in =v cc or gnd 2 10 pf
u74ahc1g14 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-300.d ? dynamic characteristics parameter symbol test conditions min typ max unit propagation delay time input(a) to output(y) t plh v cc =3.3v0.3v, c l =15pf 8.3 12.8 ns t phl 8.3 12.8 ns t plh v cc =3.3v0.3v, c l =50pf 10.8 16.3 ns t phl 10.8 16.3 ns propagation delay time input(a) to output(y) t plh v cc =5v0.5v, c l =15pf 5.5 8.6 ns t phl 5.5 8.6 ns t plh v cc =5v0.5v, c l =50pf 7 10.6 ns t phl 7 10.6 ns ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd no load, v cc =5v, f=1mhz 9 pf
u74ahc1g14 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-300.d ? test circuit and waveforms timing input 50% v cc 0v v cc 0v 50% 50% data input v cc 0v 50% 50% 50% 50% 50% 50% v cc 0v v oh v ol 50% 50% v cc 0v 50% v ol +0.3v 50% 0v v oh v cc v ol v in v in v out v out v out t su t h t w t pzl t plz t pzh t phz t phl t plh v in v oh -0.3v note: c l includes probe and jig capacitance. p rr 1mhz, z o =50 ? , t r 3ns, t f 3ns 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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