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HD74HC91 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 8-bit Shift Register
HD74HC91
Pin Arrangement
NC 1
NC 2
NC 3
NC 4
Vcc 5
NC 6
NC 7
QH QH
A
B
CK
(Top View)
14 QH
13 QH
12 A
11 B
Inputs
10 GND
9 Clock
8 NC
2