| Компонент | Описание | Производитель | |
| IN74AC20 | DUAL 4-INPUT NAND GATE High-Speed Silicon-Gate CMOS |
Integral Corp. |
|
| IN74AC20D | DUAL 4-INPUT NAND GATE High-Speed Silicon-Gate CMOS |
Integral Corp. |
|
| IN74AC20N | DUAL 4-INPUT NAND GATE High-Speed Silicon-Gate CMOS |
Integral Corp. |