The SN74HC20N is a dual 4-input positive-NAND Gate contains two independent circuits. This device performs the Boolean function Y = (A • B • C • D)\ or Y = A\ + B\ + C\ + D\ in positive logic.
20µA Maximum ICC low power consumption
11ns Propagation delay (tPD)
±4mA Output drive at 5V
1µA Maximum low input current
Outputs can drive up to 10 LSTTL loads