The ’HC27 devices contain three independent 3-input NOR gates. They perform the Boolean function Y = (A + B + C)\ or Y = A\ B\ C\ in positive logic.
Feature
- Wide Operating Voltage Range of 2 V to 6 V
- Outputs Can Drive Up To 10 LSTTL Loads
- Low Power Consumption, 20-μA Max ICC
- Typical tpd = 9 ns
- ±4-mA Output Drive at 5 V
- Low Input Current of 1 μA Max