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74AC521SC Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part # 74AC521SC
Description  8-Bit Identity Comparator
Download  9 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74AC521SC Datasheet(HTML) 2 Page - Fairchild Semiconductor

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2
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
L
A
2 B (Note 1)
L
L
A
zÃ7
H
H
A
2 B (Note 1)
H
H
A
zÃ7
H


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