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Datasheet Quick-Ref
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74HC138
3-to-8 Line Decoder/Demultiplexer
Datasheet (PDF)
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74HC138
DIP-16
1
A0
2
A1
3
A2
4
~E1
5
~E2
6
E3
7
~Y7
8
GND
16
VCC
15
~Y0
14
~Y1
13
~Y2
12
~Y3
11
~Y4
10
~Y5
9
~Y6
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
A0
in
2
A1
in
3
A2
in
4
~E1
in
5
~E2
in
6
E3
in
7
~Y7
out
8
GND
gnd
9
~Y6
out
10
~Y5
out
11
~Y4
out
12
~Y3
out
13
~Y2
out
14
~Y1
out
15
~Y0
out
16
VCC
vcc