DM54S571 и другие
| Компонент | Описание | Производитель | |
| DM54S571 | (512 X 4) 2048-BIT TTL PROM |
National Semiconductor |
 |
| DM54S571J | (512 X 4) 2048-BIT TTL PROM |
National Semiconductor |
|
| DM54S573 | (1024 X 4) 4096-BIT TTL PROM |
National Semiconductor |
|
| DM54S573AJ | (1024 X 4) 4096-BIT TTL PROM |
National Semiconductor |
|
| DM54S573BJ | (1024 X 4) 4096-BIT TTL PROM |
National Semiconductor |
|
| DM54S573J | (1024 X 4) 4096-BIT TTL PROM |
National Semiconductor |
|