NanoBob.com
electronic universe
AVR
PIC
TTL-74
CMOS-40
OPAMP
BJT
-
circuits
4072 - (2x) OR 4-input
pinout
1
OR1
14
VCC
2
A1
13
OR2
3
B1
12
D2
4
C1
11
C2
5
D1
10
B2
6
NC
9
A2
7
GND
8
NC
4072
www.nanobob.com
symbol
2
A1
3
B1
1
OR1
4
C1
5
D1
9
A2
10
B2
13
OR2
11
C2
12
D2
function table
A
B
C
D
Y
0
0
0
0
0
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
A
B
C
D
Y
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
1
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