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MC74F138 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
MFG CO.
MC74F138
1-OF-8 DECODER/DEMULTIPLEXER FAST™ SHOTTKY TTL
Motorola
Motorola => Freescale 
MC74F138 Datasheet PDF : 3 Pages
1 2 3
MC54/74F138
FUNCTION TABLE
Inputs
Outputs
E1
E2
E3
A0
A1
A2
O0
O1
O2
O3
O4
O5
O6
O7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
A0
A1
A2
FO4
A3
A4
H
123
123
123
123
A0 A1 A2
E
F138
O0 O1 O2 O3 O4 O5 O6 O7
A0 A1 A2
E
F138
O0 O1 O2 O3 O4 O5 O6 O7
A0 A1 A2
E
F138
O0 O1 O2 O3 O4 O5 O6 O7
A0 A1 A2
E
F138
O0 O1 O2 O3 O4 O5 O6 O7
O0
O31
FAST AND LS TTL DATA
4-55

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