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74HC193
Presettable 4-Bit Binary Up/Down Counter (Dual Clock)
Datasheet (PDF)
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74HC193
DIP-16
1
D1
2
Q1
3
Q0
4
CPU
5
CPD
6
Q2
7
Q3
8
GND
16
VCC
15
D0
14
MR
13
~BO
12
~CO
11
~PL
10
D2
9
D3
vcc
gnd
in
out
io
Pin Reference
⌄
#
Label
Type
1
D1
in
2
Q1
out
3
Q0
out
4
CPU
in
5
CPD
in
6
Q2
out
7
Q3
out
8
GND
gnd
9
D3
in
10
D2
in
11
~PL
in
12
~CO
out
13
~BO
out
14
MR
in
15
D0
in
16
VCC
vcc