Pin   Assignment

1     Q1
2     Q2
3     Q3
4     Q4
5     Q5
6     Q6
7     Q7
8     GND   Ground
9     Q7S   Serial output
10    MR    Memory reset (low = reset)
11    SHCP  Clock pulse
12    STCP  Latch
13    OE    Output enable (low = enabled)
14    DS    Serial input
15    Q0
16    VCC