unisonic technologies co., ltd u74lvc34a cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2012 unisonic technologies co., ltd qw-r502-411.c hex buffer ? description the u74lvc34a is a hex buffer device providing, it provides the function y = a. ? features * operation voltage range: 1.65~5.5v * low power dissipation * 24ma output drive (v cc =3.3v) * high noise immunity * power down protection ? ordering information ordering number package packing lead free halogen free U74LVC34AL-S14-T u74lvc34ag-s14-t sop-14 tube u74lvc34al-s14-r u74lvc34ag-s14-r sop-14 tape reel u74lvc34al-p14-t u74lvc34ag-p14-t tssop-14 tube u74lvc34al-p14-r u74lvc34ag-p14-r tssop-14 tape reel
u74lvc34a cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-411.c ? pin configuration 1a 1y 2a 2y 3a 3y gnd v cc 6a 6y 5a 5y 4a 4y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ? function table (each gate) input ( a ) output ( y ) l l h h ? logic diagram (each gate) ny na ny 1 na iec logic symbol
u74lvc34a cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-411.c ? absolute maximum rating (unless otherwise specified) 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 note: 1. 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. 2. the input and output voltage ratings may be exceeded if the input and output curr ent ratings are observed. ? recommended operating conditions parameter symbol conditions min typ max unit supply voltage v cc operating 1.65 5.5 v datat 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 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 ns/v v cc =5v0.5v 5 ns/v ? static characteristics (t a = -40~85 ) parameter symbol test conditions min typ max unit high-level input voltage v ih v cc =1.65~1.95v 0.65*v cc v v cc =2.3~2.7v 1.7 v cc =2.7~3.6v 2 v cc =4.5~5.5v 0.7*v cc low-level input voltage v il v cc =1.65~1.95v 0.35*v cc v v cc =2.3~2.7v 0.7 v cc =2.7~3.6v 0.8 v cc =4.5~5.5v 0.3*v cc high-level output voltage v oh v cc =1.65~5.5v i oh =-100ma v cc -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 =1.65~5.5v i oh =100ma 0.1 v v cc =1.65v i oh =4ma 0.45 v cc =2.3v i oh =8ma 0.3 v cc =3v i oh =16ma 0.4 v cc =3v i oh =24ma 0.55 v cc =4.5v i oh =32ma 0.55 input leakage current i i ( leak ) v cc =3.6v ,v in =5.5v or gnd 1 a power off leakage current i off v in or v o =5.5v, v cc =0v 10 a
u74lvc34a cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-411.c ? static characteristics(cont.) parameter symbol test conditions min typ max unit quiescent supply current i q v cc =1.65~5.5v, v in =5.5v or gnd, i out =0 1 a additional quiescent supply current i q one input at v cc -0.6v, other inputs at v cc or gnd, v cc =3~5.5v 500 a input capacitance c in v cc =3.3v, v in = v cc or gnd 3.5 pf ? dynamic characteristics (t a =25 , input: t r =t f =6ns, unless otherwise specified ) parameter symbol test conditions min typ max unit propagation delay from input(na or nb) to output(y) t plh / t phl v cc =1.80.15v c l =15pf, r l =1m ? 2 9.9 ns v cc =2.50.2v 1.5 6 v cc =3.30.3v 1 3.5 v cc =50.5v 1 2.9 v cc =1.80.15v c l =15pf r l =1k ? 3.2 8.6 ns v cc =2.50.2v r l =500 ? 1.5 4.4 v cc =3.30.3v c l =15pf, r l =500 ? 1.5 4.1 v cc =50.5v 1 3.2 ? operating characteristics (t a =25 , unless otherwise specified) parameter symbol test condition min typ max unit power dissipation capacitance c pd v cc =1.8v f=10mhz 16 pf v cc =2.5v 16 v cc =3.3v 16 v cc =5v 18
u74lvc34a cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-411.c ? test circuit and waveforms from output r l v load gnd open s test t plh /t phl t phz /t pzh t plz /t pzl s open gnd v load c l r l (note) note : c l includes probe and jig capacitance. v cc v in t r , t f v m v load c l r l v 2ns v cc /2 2*v cc 15pf 1m ? 0.15v 30pf 1k ? 2.5v0.2v v cc 2ns v cc /2 2*v cc 15pf 1m ? 0.15v 30pf 500 ? 3.3v0.3v 3v 2.5ns 1.5v 6v 15pf 1m ? 0.3v 50pf 500 ? 5v0.5v v cc 2.5ns v cc /2 2*v cc 15pf 1m ? 0.3v 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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