
Connection Diagram
Logic Symbol
IEEE/IEC
Pin Descriptions
Truth Table
Pin Names
An, Bn, Cn
Yn
Description
Inputs
Outputs
A
B
C
Y
H
X
X
L
X
H
X
L
X
X
H
L
L
L
L
H
X = Don't Care
©1994 Fairchild Semiconductor Corporation
74VHC27 Rev. 1.4.0
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