2
Functional Diagram
HC Logic Symbol HCT Logic Symbol
TRUTH TABLE
INPUTS OUTPUT
nA nB nY
LLL
LHH
HLH
HHH
H = High Voltage Level, L = Low Voltage Level
1A
1B
2A
2B
2Y
GND
1
2
3
4
5
6
14
13
12
11
V
CC
4B
3Y
3B
4A
4Y
10
8
7
9
3A
1Y
nA
nB
nY
nA
nB
nY
CD54HC32, CD74HC32, CD54HCT, CD74HCT32
