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零件编号
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74AC520 查看數據表(PDF) - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
74AC520
8-Bit Identity Comparator
Fairchild Semiconductor
74AC520 Datasheet PDF : 8 Pages
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Truth Table
Inputs
I
A
=
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:
*A
0
=
B
0
, A
1
=
B
1
, A
2
=
B
2
, etc.
Outputs
O
A
=
B
L
H
H
H
Logic Diagram
Applications
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
Ripple Expansion
Parallel Expansion
www.fairchildsemi.com
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