IC Pinouts
Projects
About
Contact
☀️
☰
IC Reference · Pinout Viewer
Datasheet Quick-Ref
←
74HC190
Presettable BCD Up/Down Counter
Datasheet (PDF)
→
📁
ROTATE
↺
↻
74HC190
DIP-16
1
D1
2
Q1
3
Q0
4
~CE
5
D/~U
6
Q2
7
Q3
8
GND
16
VCC
15
D0
14
CP
13
~RC
12
TC
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
~CE
in
5
D/~U
in
6
Q2
out
7
Q3
out
8
GND
gnd
9
D3
in
10
D2
in
11
~PL
in
12
TC
out
13
~RC
out
14
CP
in
15
D0
in
16
VCC
vcc