DM54LS20W и другие
| Компонент | Описание | Производитель | |
| DM54LS20E/883 | Dual 4-Input NAND Gate |
National Semiconductor |
 |
| DM54LS20J | Dual 4-Input NAND Gates |
National Semiconductor |
|
| DM54LS20W | Dual 4-Input NAND Gates |
National Semiconductor |
|
| MNDM54LS20 | DUAL 4-INPUT NAND GATE |
National Semiconductor |
|
| MNDM54LS20-X | DUAL 4-INPUT NAND GATE |
National Semiconductor |
|