| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DM54S573 |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S573AJ |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S573BJ |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S573J |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
 National Semiconductor ... | DM54S571 |  126Kb/4P | (512 X 4) 2048-BIT TTL PROM |
| DM54S571J |  126Kb/4P | (512 X 4) 2048-BIT TTL PROM |
| DM54S573AJ |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S573BJ |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S573J |  133Kb/4P | (1024 X 4) 4096-BIT TTL PROM |
| DM54S04 |  52Kb/2P | HEX INVERTING GATES |
| DM54S04J |  52Kb/2P | HEX INVERTING GATES |
| DM54S04W |  52Kb/2P | HEX INVERTING GATES |
| DM54S157 |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S157J |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S157W |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158 |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158J |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S158W |  128Kb/5P | QUAD 1 OF 2 LINE DATA SELECTORS/MULTIPLEXERS |
| DM54S161 |  75Kb/6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |
| DM54S161J |  75Kb/6P | SYNCHRONOUS 4-BIT BINARY COUNTERS |