| Компонент | Описание | Производитель | |
| 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 |