unisonic technologies co., ltd u74lvc1g17 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2011 unisonic technologies co., ltd qw-r502-080,f single schmitt-trigger buffer ? description the utc u74lvc1g17 is a single schmitt-trigger buffer, it provides the function y=a. the device have different input threshold levels for positive- going (v t+ ) and negative-going(v t- ) signals because of the schmitt-trigger action in the input. 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 =10a (max) * 24ma output drive(v cc =3.0v) * high noise immunity i cc =10a (max) * power down protection i cc =10a (max) ? ordering information ordering number package packing lead free halogen free U74LVC1G17L-AE5-R u74lvc1g17g-ae5-r sot-23-5 tape reel u74lvc1g17l-af5-r u74lvc1g17g-af5-r sot-25 tape reel u74lvc1g17l-al5-r u74lvc1g17g-al5-r sot-353 tape reel ? marking
u74lvc1g17 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-080,f ? pin configuration ? function table (each gate) input output a y l l h h ? logic diagram (positive logic)
u74lvc1g17 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-080,f ? absolute maximum rating (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(active mode) v out -0.5~v cc +0.5 v output voltage(power-down mode) v out -0.5~6.5 v input clamp current(v in <0) i ik -50 ma output clamp current(v o <0) 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 c notes: 1. the input and output voltage ratings may be exceeded if the in put and output current ratings are observed. 2. a bsolute maximum ratings are those values beyond which the device could be permanently damaged. a bsolute maximum ratings are stress ratings only an d functional device operat ion is not implied. ? recommended operating comditions parameter symbol conditions min typ max unit supply voltage v cc operating 1.65 5.5 v data retention only 1.5 v input voltage v in 0 5.5 v output voltage v out 0 v cc v operating temperature t a -40 85 c ? static characteristics parameter symbol test conditions min typ max unit positive-going input threshold voltage v t+ v cc = 1.65v 0.76 1.16 v v cc = 2.3v 1.08 1.56 v cc = 3.0v 1.48 1.92 v cc = 4.5v 2.16 2.74 v cc = 5.5v 2.61 3.33 negative-going input threshold voltage v t- v cc = 1.65v 0.35 0.62 v v cc = 2.3v 0.56 0.88 v cc = 3.0v 0.84 1.2 v cc = 4.5v 1.41 1.97 v cc = 5.5v 1.87 2.4 hysteresis voltage (v t+ -v t- ) v t v cc = 1.65v 0.36 0.64 v cc = 2.3v 0.45 0.78 v cc = 3.0v 0.51 0.87 v cc = 4.5v 0.58 1.04 v cc = 5.5v 0.69 1.11 high-level output voltage v oh v cc = 1.65v~4.5v, i oh =-100 av cc -0.1 v v cc = 1.65v, i oh =-4ma 1.2 v cc = 2.3v, i oh =-8ma 1.9 v cc = 3.0v, i oh =-16ma 2.4 v cc = 3.0v, i oh =-24ma 2.3 v cc = 4.5v, i oh =-32ma 3.8 low-level output voltage v ol v cc = 1.65v~4.5v, 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 = 3.0v, i ol =16ma 0.4 v cc = 3.0v, i ol =24ma 0.55 v cc = 4.5v, i ol =32ma 0.55
u74lvc1g17 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-080,f ? static characteristics(cont.) parameter symbol test conditions min typ max unit input leakage current i i ( leak ) v cc = 0~5.5v, v in =v cc or gnd 5 a power off leakage current i off v cc = 0v, v in or v cc =5.5v 10 a quiescent supply current i q v cc = 1.65v~5.5v, v in =v cc or gnd i out =0 10 a additional quiescent supply current i q v cc = 3v~5.5v, one input at v cc -0.6v, other inputs at v cc or gnd 500 a input capacitance c in v cc = 3.3v, v in =v cc or gnd 4.5 pf ? dynamic characteristics c l =15pf parameter symbol test conditions min typ max unit propagation delay from input (a or b) to output(y) t plh / t phl v cc =1.80.15v 2.8 9.9 ns v cc =2.50.2v 1.6 5.5 ns v cc =3.30.3v 1.5 4.6 ns v cc =50.5v 0.9 4.4 ns c l =30 or 50 pf parameter symbol test conditions min typ max unit propagation delay from input (a or b) to output(y) t plh / t phl v cc =1.80.15v 3.8 11 ns v cc =2.50.2v 2 6.5 ns v cc =3.30.3v 1.8 5.5 ns v cc =50.5v 1.2 5 ns ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd v cc =1.8v f=10mh z 20 pf v cc =2.5v 21 pf v cc =3.3v 22 pf v cc =5v 25 pf
u74lvc1g17 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-080,f ? test circuit and waveforms note: c l includes probe and jig capacitance. v cc v in t r , t f v m c l r l 1.8v 0.15v v cc 2ns v cc /2 15pf 1m 2.5v 0.2v v cc 2ns v cc /2 15pf 1m 3.3v 0.3v 3v 2.5ns 1.5v 15pf 1m 5v 0.5v v cc 2.5ns v cc /2 15pf 1m 1.8v 0.15v v cc 2ns v cc /2 30pf 1k 2.5v 0.2v v cc 2ns v cc /2 30pf 500 3.3v 0.3v 3v 2.5ns 1.5v 50pf 500 5v 0.5v v cc 2.5ns v cc /2 50pf 500 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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