SN74HC21-Q1 is DUAL 4-INPUT POSITIVE-AND GATES manufactured by Texas Instruments.
| Part Number | Description |
|---|---|
| SN74HC21 | DUAL 4-INPUT POSITIVE-AND GATES |
| SN74HC20 | Dual 4-Input NAND Gates |
| SN74HC20D | Dual 4-Input NAND Gates |
| SN74HC20N | Dual 4-Input NAND Gates |
| SN74HC240 | OCTAL BUFFERS AND LINE DRIVERS |
/ordering information This device contains two independent 4-input AND gates. It performs the Boolean function Y + A B C D or Y + A ) B ) C ) D in positive logic. ‡ Package drawings, thermal data, and symbolization are available at http://.ti./packaging.
