Description
The HD74HC77 is ideally suited for use as temporary storage for binary information between processing units and input/output or indicator units.
Features
- High Speed Operation: tpd (D to Q) = 12 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C)
Function Table
Inputs D L H X G H H L Output Q L H No change
HD74HC77
Pin Arrangement
1D 1 2D 2 Enable3-4 3 VCC 4 3D 5 4D 6 NC 7 D D Q G G Q Q D G D G Q
14 1Q 13 2Q 12 Enable1-2 11 GND 10 NC 9 3Q 8 4Q
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HD74HC77 Datasheet
