unisonic technologies co., ltd u74lvc2g14 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-355.b dual schmitt-trigger inverter with 5v tolerant input ? description the utc u74lvc2g14 is a high-performance, low-power, low-voltage, si-gate cmos device which provides two inverters with schmitt trigger action. it is capable of transforming slowly changed input signals into sharply defi ned, jitter-free output signals. ? features * operate from 1.65v to 5.5v * 5v tolerant input/output fo r interfacing with 5v logic * 24ma output drive (v cc =3.3v) * cmos low-power consumption and high noise immunity * halogen free 4 5 3 2 1 6 sot-363 sot-26 4 5 3 2 1 6 ? ordering information ordering number package packing u74lvc2g14g-al6-r sot-363 tape reel U74LVC2G14G-AG6-R sot-26 tape reel (1) r: tape reel (2) al6: sot-363, ag6: sot-26 (3) g: halogen free u74lvc2g14g -al6 -r (1)packing type (2)package type (3)halogen free ? marking
u74lvc2g14 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-355.b ? pin configuration ? function table input(a) output(y) l h h l h=high level l=low level ? logic symbol ? functional diagram 1a 1y 2a 2y
u74lvc2g14 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-355.b ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5 ~ +6.5 v input voltage v in -0.5 ~ +6.5 v high-impedance power-off -0.5 ~ 6.5 v high state output voltage low state v out -0.5 ~v cc +0.5 v v cc or gnd current i cc 100 ma continuous output current i o 50 ma input clamp current i ik -50 ma output clamp current i ok -50 ma storage temperature t stg -65 ~ + 150 c 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 oper ation is not implied. ? thermal data parameter symbol ratings unit sot-363 259 junction to ambient sot-26 ja 250 c/w ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc 1.65 5.5 v v cc =1.65v 0.70 1.40 v v cc =2.3v 1.00 1.70 v v cc =3v 1.30 2.20 v v cc =4.5v 1.90 3.10 v positive-going input threshold voltage vt+ v cc =5.5v 2.20 3.70 v v cc =1.65v 0.30 0.70 v v cc =2.3v 0.40 1.00 v v cc =3v 0.60 1.30 v v cc =4.5v 1.10 2.00 v negative-going input threshold voltage vt- v cc =5.5v 1.40 2.50 v v cc =1.65v 0.30 0.80 v v cc =2.3v 0.40 0.90 v v cc =3v 0.40 1.10 v v cc =4.5v 0.60 1.30 v hysteresis voltage(vt+ - vt- ) vt v cc =5.5v 0.70 1.40 v control input voltage v in 0 5.5 v output voltage v out high or low state 0 v cc v v cc =1.65v -4 ma v cc =2.3v -8 ma v cc =3v -16 ma v cc =3v -24 ma high level output current i oh v cc =4.5v -32 ma v cc =1.65v 4 ma v cc =2.3v 8 ma v cc =3v 16 ma v cc =3v 24 ma low level output current i ol v cc =4.5v 32 ma operating temperature t opr -40 85 c
u74lvc2g14 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-355.b ? electrical characteristics (ta=25 c , unless otherwise specified) parameter symbol test conditions min typ max unit v cc =1.65~5.5v, i oh =-100ua v cc -0.1 v v cc =1.65v, i oh =-4ma 1.20 v v cc =2.3v, i oh =-8ma 1.90 v v cc =3v, i oh =-16ma 2.40 v v cc =3v, i oh =-24ma 2.30 v high-level output voltage v oh v cc =4.5v, i oh =-32ma 3.80 v v cc =1.65~5.5v , i ol =100u a 0.10 v v cc =1.65v , i ol =4m a 0.45 v v cc =2.3v , i ol =8m a 0.30 v v cc =3v , i ol =12m a 0.40 v v cc =3v, i ol =24m a 0.55 v low-level output voltage v ol v cc =4.5v, i ol =32m a 0.55 v input leakage current i i(leak) v cc =0v to 5.5v, v in =0 or 5.5v 5 a power off leakage current i off v cc =0v, v in or v out =5.5v, 10 a quiescent supply current i q v cc =1.65v to 5.5v, i out =0 v in =5.5v or gnd 0.1 10 a additional quiescent supply current per pin i q v cc =3v to 5.5v one input at v cc -0.6v, other inputs at v cc or gnd, i out =0 500 a input capacitance c in v cc =3.3v, v in =v cc or gnd 4 pf ? switching characteristics (see test circuit and waveforms) parameter symbol test conditions min typ max unit v cc =1.8v0.15v, v in =v cc c l =30pf, r l =1k ? 3.90 9.50 ns v cc =2.5v0.2v, v in =v cc c l =30pf, r l =500 ? 1.90 5.70 ns v cc =3.3v0.3v, v in =3v c l =50pf, r l =500 ? 2.00 5.40 ns propagation delay from input (na) to output(ny) t plh / t phl v cc =5v0. 5v, v in =v cc c l =50pf, r l =500 ? 1.5 4.3 ns ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit v cc =1.8v,f=10mhz 16 pf v cc =2.5v,f=10mhz 17 pf v cc =3.3v,f=10mhz 18 pf power dissipation capacitance c pd v cc =5v,f=10mhz 21 pf
u74lvc2g14 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-355.b ? test circuits and waveforms inputs v cc v in t r , t f v m c l r l 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 ? v m v in 0v v oh v ol propagation delay times na input ny output t phl t plh v m v m v m note: 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 ? : t r 2ns, t f 2ns (v cc =1.8v0.15v and v cc =2.5v0.2v) t r 2.5ns, t f 2.5ns (v cc =3.3v0.3v and v cc =5v0. 5v) 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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