The ’HC20 devices contain two independent 4-input NAND gates. They perform the Boolean function Y = (A ? B ? C ? D)\ or Y = A\ + B\ + C\ + D\ 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 = 11 ns
- ±4-mA Output Drive at 5 V
- Low Input Current of 1 μA Max
The ’HC20 devices contain two independent 4-input NAND gates. They perform the Boolean function Y = (A ? B ? C ? D)\ or Y = A\ + B\ + C\ + D\ in positive logic.
