1-48 (No.22023)
6.26 NC7ST32P5-X (IC683) : 2-Input OR Gate
• Pin layout & Block diagram
• Truth table
H : HIGH logic level
L : LOW logic level
6.27 NC7SZ125P5-X (IC523) : Bus buffer gate with 3-state output
• Pin layout & Block diagram
• Truth table
X: Don't care
Z: High impedance
1
Vcc
Y
A
B
GND
2
3
5
4
INPUTS
OUTPUT
A
B
Y
L
L
L
L
H
H
H
L
H
H
H
H
1
VCC
Y
OE
A
GND
2
3
5
4
INPUTS
OUTPUT
OE
B
Y
L
H
H
L
L
L
H
X
Z