unisonic technologies co., ltd u74lvc2g17 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2009 unisonic technologies co., ltd qw-r502-356.a dual schmitt-trigger buffer ? description the utc u74lvc2g17 is a high-performance, low-power, low-voltage, si-gate cmos device which provides two independent buffers with schmitt trigger action. it is capable of transforming slowly changed input signals into sharply defined, jitter-free output signals. ? features * operate from 1.65v to 5.5v * 5 v tolerant input/output for interfacing with 5 v logic *24ma output drive (v cc = 3.3v) * cmos low-power consumption and high noise immunity * i off supports partial-power-down mode operation * latch-up performance exceeds 100ma * specified from -40 c to +85 c * halogen free 4 5 3 2 1 6 sot-363 ? ordering information ordering number package packing U74LVC2G17G-AL6-R sot-363 tape reel ? marking
u74lvc2g17 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-356.a ? pin configuration ? function table input(a) output(y) l l h h h=high level l=low level ? logic symbol
u74lvc2g17 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-356.a ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5~6.5 v input voltage (note 2) v in -0.5~6.5 v output voltage (note 2,3) high-impedance v out -0.5~6.5 v power-off state high state -0.5~v cc +0.5 v low state input clamp current (v in < 0) i ik -50 ma output clamp current (v out < 0) i ok -50 ma output current i out 50 ma v cc or gnd current i cc 100 ma junction temperature t j 150 c storage temperature t stg -65 ~ +150 c notes: 1. a bsolute maximum ratings are those values beyo nd which the device could be permanently damaged. a bsolute maximum ratings are stress ratings only an d functional device operat ion is not implied. 2. the input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 3. the value of v cc is provided in the recommende d operating conditions table. ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc operating 1.65 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 input voltage vt+ v cc = 1.65 v 0.70 1.40 v v cc = 2.3 v 1.00 1.70 v v cc = 3.0 v 1.30 2.20 v v cc = 4.5 v 1.90 3.10 v v cc = 5.5 v 2.20 3.70 v low-level input voltage vt- v cc = 1.65 v 0.30 0.70 v v cc = 2.3 v 0.40 1.00 v v cc = 3.0 v 0.60 1.30 v v cc = 4.5 v 1.10 2.00 v v cc = 5.5 v 1.40 2.50 v hysteresis voltage vt v cc = 1.65 v 0.30 0.80 v v cc = 2.3 v 0.40 0.90 v v cc = 3.0 v 0.40 1.10 v v cc = 4.5 v 0.60 1.30 v v cc = 5.5 v 0.70 1.40 v operating temperature ta ?40 85 c note: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation.
u74lvc2g17 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-356.a ? electrical characteristics (v cc =3.3v, ta=25c, unless otherwise specified ) parameter symbol test conditions min typ max unit high-level output voltage v oh v cc = 1.65v~5.5v, i oh =-100 a 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 = 3.0v, i oh =-16ma 2.40 v v cc = 3.0v , i oh =-24ma 2.30 v v cc = 4.5v, i oh =-32 3.80 v low-level output voltage v ol v cc = 1.65~5.5v , i ol =100 a 0.10 v v cc = 1.65v, i ol =4ma 0.45 v v cc = 2.3v, i ol =8ma 0.30 v v cc = 3.0v. i ol =16ma 0.40 v v cc = 3.0v , i ol =24ma 0.55 v v cc = 4.5v , i ol =32ma 0.55 v input leakage current i i ( leak ) v in =0 to 5.5v , v cc = 0~5.5v 5 a power off leakage current i off v in or v out =5.5v , v cc = 0 10 a quiescent supply current i cc v in = v cc or gnd , i out =0 v cc =1.65~5.5 v 10 a additional quiescent supply current i cc one input at v cc -0.6v other inputs at v cc or gnd, i out =0 , v cc =3~5.5 v 500 a input capacitance c i v in = v cc or gnd , v cc = 3.3 v 4 pf ? switching characteristics (see test circuit and waveforms) parameter symbol test conditions min typ max unit propagation delay na to ny t plh t phl v cc =1.8v0.15v , c l =30pf, r l =1k ? 3.9 9.3 ns v cc =2.5v0.2v , c l =30pf, r l =500 ? 1.9 5.7 ns v cc =3.3v0.3v , c l =50pf, r l =500 ? 2.2 5.4 ns v cc =5v0.5v , c l =50pf, r l =500 ? 1.5 4.3 ns ? operating characteristics (ta=25 ) parameter symbol test conditions min typ max unit power dissipation capacitance cpd v cc =5v , f=10mhz 21 pf
u74lvc2g17 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-356.a ? test circuits and waveforms output c l r l v cc v in t r , t f v m c l r l 1.65v~1.95v v cc 2ns v cc /2 30pf 1k ? 2.3v~2.7v v cc 2ns v cc /2 30pf 500 ? 3.0v~3.6v 3v 2.5ns 1.5v 50pf 500 ? 4.5v~5.5v v cc 2.5ns v cc /2 50pf 500 ? definitions for test circuit: r l = load resistance. c l = load capacitance including jig and probe capacitance. notes: 1. v ol and v oh are typical output drop that occur with the output load. 2. t plh and t phl are the same as tpd . 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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