| Компонент | Описание | Производитель | |
| 74F20SC | Dual 4-Input NAND Gate |
National Semiconductor |
|
| 74F20SC | Dual 4-Input NAND Gate |
Fairchild Semiconductor |
|
| 74F20SCX | Dual 4-Input NAND Gate |
Fairchild Semiconductor |
|
| 74F20SJ | Dual 4-Input NAND Gate |
Fairchild Semiconductor |
|
| 74F20SJ | Dual 4-Input NAND Gate |
National Semiconductor |
|
| 74F20SJX | Dual 4-Input NAND Gate |
Fairchild Semiconductor |