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74HC253
Dual 4-Input Multiplexer 3-State
Datasheet (PDF)
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74HC253
DIP-16
1
~1OE
2
S1
3
1I3
4
1I2
5
1I1
6
1I0
7
1Y
8
GND
16
VCC
15
~2OE
14
S0
13
2I3
12
2I2
11
2I1
10
2I0
9
2Y
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
~1OE
in
2
S1
in
3
1I3
in
4
1I2
in
5
1I1
in
6
1I0
in
7
1Y
out
8
GND
gnd
9
2Y
out
10
2I0
in
11
2I1
in
12
2I2
in
13
2I3
in
14
S0
in
15
~2OE
in
16
VCC
vcc