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IC INFORMATION TC74HCT157AF
J
Function Quad 2-channel multiplexer 1/1 E
Type CMOS Model DEX-P01




SELECT 1 16 VCC



15 st
1A 2
OUTPUT




14 4A
1B 3
H

H
L
L

L
X
X
X

H
B




L

X: Don't Care



1Y 4 13 4B
st SELECT A
X

H
X
X
L
INPUT




2A 5 12 4Y
X


H
H
L
L
H
L
L
L
L




2B 6 11 3A



2Y 7 10 3B



GND 8 9 3Y




2001.5