Pin Configuration:
1Input1A
2Input1B
3Output1
4Input2A
5Input2B
6Output2
7Ground
8Output3
9Input3A
10Input3B
11Output4
12Input4A
13Input4B
14Vcc
Pin Configuration:
1Input1A
2Input1B
3Output1
4Input2A
5Input2B
6Output2
7Ground
8Output3
9Input3A
10Input3B
11Output4
12Input4A
13Input4B
14Vcc