| Компонент | Описание | Производитель | |
| DM54S472 | (512 x 8) 4096-Bit TTL PROM |
National Semiconductor |
|
| DM54S472AJ | (512 x 8) 4096-Bit TTL PROM |
National Semiconductor |
|
| DM54S472BJ | (512 x 8) 4096-Bit TTL PROM |
National Semiconductor |
|
| DM54S472J | (512 x 8) 4096-Bit TTL PROM |
National Semiconductor |