unisonic technologies co., ltd U74HC573 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-267.c octal transparent d-type latches with 3-state outputs ? description the utc U74HC573 is a octal transparent d-type latch with 3-state outputs, and it has 8 channels. ? features * operate from 2v to 6v * max t pd of 57ns at 4.5 v * typical v ol < 0.17v at v cc =4.5v, t a =25c * typical v oh > 4.3v at v cc =4.5v, t a =25c sop-20 ssop-20 tssop-20 ? ordering information ordering number lead free halogen free package packing U74HC573l-p20-r U74HC573g-p20-r tssop-20 tape reel U74HC573l-r20-r U74HC573g-r20-r ssop-20 tape reel U74HC573l-s20-r U74HC573g-s20-r sop-20 tape reel
U74HC573 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-267.c ? pin configuration ? function table inputs( oe ) inputs(le) inputs(d) output(q) l h h h l h l l l l x q 0 h x x z note: h: high voltage level; l: low voltage level. ? logic symbol ? logic diagram
U74HC573 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-267.c ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5 ~ 7 v v cc or gnd current i cc 70 ma output current i out 35 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. ? thermal data parameter symbol ratings unit sop-20 60 c/w ssop-20 70 junction to ambient tssop-20 ja 83 c/w ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc 2 5 6 v v cc =2.0v 1.5 v v cc =4.5v 3.15 v high-level input voltage v ih v cc =6.0v 4.2 v v cc =2.0v 0 0.5 v v cc =4.5v 0 1.35 v low-level input voltage v il v cc =6.0v 0 1.8 v input voltage v in 0 v cc v output voltage v out high or low state 0 v cc v v cc =2.0v 0 1 s v cc =4.5v 0 0.5 s input rise or fall times t r , t f v cc =6.0v 0 0.4 s ? electrical characteristics ( t a =25c ) parameter symbol test conditions min typ max unit v cc =2.0v, i oh =-20 a 1.9 1.998 v v cc =4.5v, i oh =-20 a 4.4 4.499 v v cc =6.0v, i oh =-20 a 5.9 5.999 v v cc =4.5v, i oh =-6ma 3.98 4.3 v output voltage high-level v oh v cc =6.0v, i oh =-7.8ma 5.48 5.8 v v cc =2.0v, i ol =20 a 2 100 mv v cc =4.5v, i ol =20 a 1 100 mv v cc =6.0v, i ol =20 a 1 100 mv v cc =4.5v, i ol =6m a 170 260 mv output voltage low-level v ol v cc =6.0v, i ol =7.8m a 150 260 mv input leakage current i i(leak) v cc =6.0v, v in =v cc or gnd 0.1 100 na disable output leakage current i oz v cc =6.0v, v out = v cc or gnd 0.01 0.5 a quiescent supply current i q v cc =6.0v, v in =v cc or gnd, i out =0 8 a input capacitance c in v cc =2.0v~6.0v 3 10 pf
U74HC573 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-267.c ? switching characteristics (see test circuit and waveforms) parameter symbol test conditions min typ max unit v cc =2.0v, c l =50pf 77 175 ns v cc =4.5v, c l =50pf 26 35 ns v cc =6.0v, c l =50pf 23 30 ns v cc =2.0v, c l =150pf 95 200 ns v cc =4.5v, c l =150pf 33 40 ns from d to q v cc =6.0v, c l =150pf 21 34 ns v cc =2.0v, c l =50pf 87 175 ns v cc =4.5v, c l =50pf 27 35 ns v cc =6.0v, c l =50pf 23 30 ns v cc =2.0v, c l =150pf 103 225 ns v cc =4.5v, c l =150pf 33 45 ns from le to q t plh /t phl v cc =6.0v, c l =150pf 29 38 ns v cc =2.0v, c l =50pf 68 150 ns v cc =4.5v, c l =50pf 24 30 ns v cc =6.0v, c l =50pf 21 26 ns v cc =2.0v, c l =150pf 85 200 ns v cc =4.5v, c l =150pf 29 40 ns from oe to q t pzl /t pzh v cc =6.0v, c l =150pf 26 34 ns v cc =2.0v, c l =50pf 47 150 ns v cc =4.5v, c l =50pf 23 30 ns from oe to q t plz /t phz v cc =6.0v, c l =50pf 21 26 ns v cc =2.0v 80 ns v cc =4.5v 16 ns pulse width t w v cc =6.0v 14 ns v cc =2.0v 50 ns v cc =4.5v 10 ns setup time t su v cc =6.0v 9 ns v cc =2.0v 20 ns v cc =4.5v 5 ns hold time t h v cc =6.0v 5 ns ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd no load 50 pf
U74HC573 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-267.c ? test circuit and waveforms note: c l includes probe and jig capacitance. prr 1mhz, zo=50 ? , t r 6ns, t f 6ns 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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