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HD74HC138 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer
HD74HC138
Pin Arrangement
A1
Select
Inputs
B2
C3
Enable
Inputs
G2A 4
G2B 5
G1 6
Output Y7 7
GND 8
A
B
Y0
C
Y1
G2A
Y2
G2B
Y3
G1
Y4
Y7
Y5
Y6
(Top view)
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3 Outputs
11 Y4
10 Y5
9 Y6
2