74AC521SJ(2000) 데이터 시트보기 (PDF) - Fairchild Semiconductor

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74AC521SJ
(Rev.:2000)

8-Bit Identity Comparator

Fairchild Semiconductor 

Truth Table

Inputs

IA = B

A, B

L

A = B (Note 1)

L

A≠Β

H

A = B (Note 1)

H

A≠Β

H = HIGH Voltage Level

L = LOW Voltage Level

Note 1: A0 = B0, A1 = B1, A2 = B2, etc.

Outputs

OA = B

L

H

H

H

Logic Diagram

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

Applications

Ripple Expansion

Parallel Expansion

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