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HD74HC77 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 4-bit Bistable Latch
HD74HC77
Pin Arrangement
1D 1
2D 2
Enable3-4 3
VCC 4
3D 5
4D 6
NC 7
Block Diagram (1//4)
Q
DG
DG
Q
Q
DG
DG
Q
(Top view)
14 1Q
13 2Q
12 Enable1-2
11 GND
10 NC
9 3Q
8 4Q
Data
Q
Enable
2