HCC40257B Datasheet, PDF (3/11 Pages) STMicroelectronics – QUAD 2-LINE-TO-1-LINE DATA SELECTOR/MULTIPLEXER

LOGIC DIAGRAM
HCC/HCF40257B
TRUTH TABLE
Inputs
3-State
Output Select A B
Disable
1
X
XX
0
0
0X
0
0
1X
0
1
X0
0
1
X1
X = Don’t Care
Logic 1 = High
Logic 0 = Low
Z = High impedance.
Output
D
Z
0
1
0
1
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