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circuits
4045 - 21-stage counter
pinout
1
SP
16
PH1
2
SN
15
PH0
3
GND
14
VCC
4
N.C.
13
N.C.
5
N.C.
12
N.C.
6
N.C.
11
N.C.
7
Y
10
N.C.
8
Y+D
9
N.C.
4045
www.nanobob.com
symbol
1
SP
8
Y+D
16
PH1
15
PH0
2
SN
7
Y
pin types
0
digital input
0
digital output
0
digital input-output (bidir)
0
analog (input or output)
0
positive power
0
ground
0
negative power