MM74HC273 데이터 시트보기 (PDF) - Fairchild Semiconductor

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MM74HC273

Octal D-Type Flip-Flops with Clear

Fairchild Semiconductor 

Truth Table

Clear

L

H

H

H

(Each Flip-Flop)

Inputs

Clock

D

X

X

↑

H

↑

L

L

X

Outputs

Q

L

H

L

Q0

H = HIGH Level (Steady State)

L = LOW Level (Steady State)

X = Don’t Care

↑ = Transition from LOW-to-HIGH level

Q0 = The level of Q before the indicated steady state input conditions were

established

Logic Diagram

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