CD74HC4002 Datasheet, PDF (2/5 Pages) Texas Instruments – High Speed CMOS Logic Dual 4-Input NOR Gate

Functional Diagram
CD74HC4002
2
1A
3
1B
4
1C
5
1D
9
2A
10
2B
11
2C
12
2D
1
1Y
13
2Y
GND = 7
V_CC = 14
NC = 6, 8
Logic Symbol
TRUTH TABLE
INPUTS
OUTPUT
nA
nB
nC
nD
nY
L
L
L
L
H
H
X
X
X
L
X
H
X
X
L
X
X
H
X
L
X
X
X
H
L
NOTE: H = High Voltage Level, L = Low Voltage Level, X = Irrelevant
nA
nB
nY
nC
nD
2