MC74ACT20NG и другие
| Компонент | Описание | Производитель | |
| MC74ACT20N | Dual 4−Input NAND Gate |
ON Semiconductor |
 |
| MC74ACT20N | Dual 4-Input NAND Gate |
ON Semiconductor |
|
| MC74ACT20NG | Dual 4−Input NAND Gate |
ON Semiconductor |
|