| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DM54S288 |  132Kb/4P | 256 - BIT TTL PROM |
| DM54S288AJ |  132Kb/4P | 256 - BIT TTL PROM |
| DM54S288J |  132Kb/4P | 256 - BIT TTL PROM |
 National Semiconductor ... | DM54S287 |  124Kb/4P | (256 x 4) 1024-BIT TTL PROM |
| DM54S287AJ |  124Kb/4P | (256 x 4) 1024-BIT TTL PROM |
| DM54S287J |  124Kb/4P | (256 x 4) 1024-BIT TTL PROM |
| DM54S288AJ |  132Kb/4P | 256 - BIT TTL PROM |
| DM54S288J |  132Kb/4P | 256 - BIT TTL PROM |
| DM54S251 |  121Kb/6P | TRI-STATE 1 of 8 Line Data Selector/Multiplexer |
| DM54S257 |  153Kb/8P | TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
| DM54S257J |  153Kb/8P | TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
| DM54S257W |  153Kb/8P | TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
| DM54S258 |  153Kb/8P | TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
| DM54S258J |  153Kb/8P | TRI-STATE QUAD 1 OF 2 DATA SELECTORS / MULTIPLEXERS |
| 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 |