2
Functional Diagram
Logic Symbol
TRUTH TABLE
AB Y
L L Z (Note 1) H (Note 2)
H L Z (Note 1) H (Note 2)
L H Z (Note 1) H (Note 2)
HHLL
NOTES:
1. Without pull-up (high impedance)
2. Requires pull-up (R
L
to V
L
)
1A
1B
2A
2B
3A
3B
4A
4B
1
2
4
5
9
10
12
13
3
6
8
11
1Y
2Y
3Y
4Y
GND = 7
V
CC
= 14
nA
nB
nY
CD54HC03, CD74HC03, CD54HCT03, CD74HCT03
