SN74AS21D и другие
| Компонент | Описание | Производитель | |
| SN74AS21 | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
 |
| SN74AS21D | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
|
| SN74AS21DR | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
|
| SN74AS21N | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
|