unisonic technologies co., ltd u74hc574 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-268.b octal edge-triggered d-type flip-flops with 3-state outputs ? description the u74hc574 is a octal edge-triggered d-type flip-flops with 3-state outputs, and it has 8 channels. ? features * operate from 2v to 6v * max t pd of 66ns 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 u74hc574l-p20-r u74hc574g-p20-r tssop-20 tape reel u74hc574l-r20-r u74hc574g-r20-r ssop-20 tape reel u74hc574l-s20-r U74HC574G-S20-R sop-20 tape reel
u74hc574 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-268.b ? pin configuration ? function table inputs( oe ) inputs(clk) inputs(d) output(q) l h h l l l l l /h x q 0 h x x z note: h: high voltage level; l: low voltage level. ? logic symbol ? logic diagram
u74hc574 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-268.b ? 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 .0 v 1.5 v cc =4.5v 3.15 high-level input voltage v ih v cc =6 .0 v 4.2 v v cc =2 .0 v 0.5 v cc =4.5v 1.35 low-level input voltage v il v cc =6 .0 v 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 .0 v 0 1 v cc =4.5v 0 0.5 input rise or fall times t r , t f v cc =6 .0 v 0 0.4 s ? electrical characteristics parameter symbol test conditions min typ max unit v cc =2.0v, i oh =-20 a 1.9 1.998 v cc =4.5v, i oh =-20 a 4.4 4.499 v cc =6.0v, i oh =-20 a 5.9 5.999 v cc =4.5v, i oh =-6ma 3.98 4.3 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 0.002 0.1 v cc =4.5v, i ol =20 a 0.001 0.1 v cc =6.0v, i ol =20 a 0.001 0.1 v cc =4.5v, i ol =6m a 0.17 0.26 output voltage low-level v ol v cc =6.0v, i ol =7.8m a 0.15 0.26 v 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
u74hc574 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-268.b ? switching characteristics (see test circuit and waveforms) parameter symbol test conditions min typ max unit v cc =2.0v , c l =50pf 90 180 v cc =4.5v , c l =50pf 28 36 v cc =6.0v , c l =50pf 24 31 v cc =2.0v , c l =150pf 105 265 v cc =4.5v , c l =150pf 36 53 from clk to q t plh /t phl v cc =6.0v , c l =150pf 31 46 ns v cc =2.0v , c l =50pf 77 150 v cc =4.5v , c l =50pf 26 30 v cc =6.0v , c l =50pf 23 26 v cc =2.0v , c l =150pf 95 235 v cc =4.5v , c l =150pf 32 47 from oe to q t pzl /t pzh v cc =6.0v , c l =150pf 28 41 ns v cc =2.0v , c l =50pf 52 150 v cc =4.5v , c l =50pf 24 30 from oe to q t plz /t phz v cc =6.0v , c l =50pf 22 26 ns v cc =2.0v , c l =50pf 6 11 v cc =4.5v , c l =50pf 30 36 v cc =6.0v , c l =50pf 36 40 v cc =2.0v , c l =150pf 6 v cc =4.5v , c l =150pf 30 maximum clock frequency f max v cc =6.0v , c l =150pf 36 mhz v cc =2.0v 6 v cc =4.5v 30 clock frequency f clock v cc =6.0v 38 mhz v cc =2.0v 80 v cc =4.5v 16 pulse width t w v cc =6.0v 14 ns v cc =2.0v 100 v cc =4.5v 20 setup time t su v cc =6.0v 17 ns v cc =2.0v 5 v cc =4.5v 5 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 100 pf
u74hc574 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-268.b ? test circuit and waveforms note: c l includes probe and jig capacitance. prr Q 1mhz, zo=50 ? , t r Q 6ns, t f Q 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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