DUAL 4-INPUT NAND GATES
DESCRIPTION
The U74HCT21 contains two independent 4-input AND gates.
They perform the Boolean function Y=A •B•C•D
or Y=A + B +C + D in positive logic.
FEATURES
* Operation Voltage Range: 4.5V~5.5V
* Low Quiescent Current: ICC=2μA(Max)
* High Speed: tPD=15ns @ 4.5V (Typ)
* Low Input Current: 100nA Max
* Inputs are TTL Voltage Compatiabel |
