74AC520 datasheet(2/8 Pages) FAIRCHILD

Numer części	74AC520

Szczegółowy opis	8-Bit Identity Comparator

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Producent	FAIRCHILD [Fairchild Semiconductor]

Strona internetowa	http://www.fairchildsemi.com

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Truth Table

H

= HIGH Voltage Level

L

= LOW Voltage Level

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

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

Inputs

Outputs

IA = B

A, B

OA = B

LA

= B (Note 1)

L

LA

≠ Β

H

HA

= B (Note 1)

H

HA

≠ Β

H

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