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74HC243
Quad Bus Transceiver Non-Inverting 3-State
Datasheet (PDF)
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74HC243
DIP-14
1
~GAB
2
A0
3
A1
4
A2
5
A3
6
NC
7
GND
14
VCC
13
~GBA
12
B0
11
B1
10
B2
9
B3
8
NC
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
~GAB
in
2
A0
io
3
A1
io
4
A2
io
5
A3
io
6
NC
io
7
GND
gnd
8
NC
io
9
B3
io
10
B2
io
11
B1
io
12
B0
io
13
~GBA
in
14
VCC
vcc