74AC521SJX(2000) 查看數據表（PDF） - Fairchild Semiconductor

零件编号

产品描述 (功能)

生产厂家

74AC521SJX
(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

www.fairchildsemi.com

2

Share Link: