U74HC21 Key Features
- Operation Voltage Range: 2~6V
- Low Quiescent Current: ICC=2µA (Max.)
- High Speed
- Low Input Current
- ORDERING INFORMATION
- MARKING
U74HC21 is DUAL 4-INPUT AND GATES manufactured by Unisonic Technologies.
| Part Number | Description |
|---|---|
| U74HC20 | DUAL 4-INPUT NAND GATES |
| U74HC240 | OCTAL BUFFERS AND LINE DRIVERS |
| U74HC244 | OCTAL BUFFERS AND LINE DRIVERS |
| U74HC245 | OCTAL BUS TRANSCEIVERS |
| U74HC2G00 | 2-INPUT NAND GATE |
The U74HC21 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.