KS-FX202
1-22
1A
1Y
2Y
3Y
4Y
1C
2A
2C
3A
3C
4A
4C
Input
Output
C
A
X
Y
Z
L
L
L
H
H
H
H
1
1C
2
1A
3
1Y
4
2C
5
2A
6
2Y
7
GND
Vcc
4C
4A
4Y
3C
3A
3Y
( TOP VIEW )
14
13
12
11
10
9
8
1.Pin arrangement
2. Pin function
3. Block diagram
HD74HC126P (IC751) : Changer control