SN54HC20 - Dual 4-Input Positive-NAND Gates

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.

• Wide Operating Voltage Range of 2 V to 6 V
• Outputs Can Drive Up to 10 LSTTL Loads
• Low Power Consumption, 20-µA Max I_CC
• Typical t_pd = 11 ns
• ±4-mA Output Drive at 5 V
• Low Input Current of 1 µA Max