HD74HC651 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Octal Bus Transceivers/Registers(with inverted 3-state outputs)

HD74HC651/HD74HC652
Storage
Pin Arrangement
Transfer stored data
to A and/or B
Clock AB 1
Select AB 2
Enable GAB 3
A1 4
A2 5
A3 6
A4 7
A5 8
A6 9
A7 10
A8 11
GND 12
24 VCC
23 Clock BA
22 Select BA
21 Enable GBA
20 B1
19 B2
18 B3
17 B4
16 B5
15 B6
14 B7
13 B8
(Top view)
3