PAL20C4NM и другие
| Компонент | Описание | Производитель | |
| PAL20C4N | Progammable Array Logic Series 24 (PAL Series 24) |
National Semiconductor |
 |
| PAL20C4NC | Progammable Array Logic Series 24 (PAL Series 24) |
National Semiconductor |
|
| PAL20C4NM | Progammable Array Logic Series 24 (PAL Series 24) |
National Semiconductor |
|