| 制造商 | 部件名 | 数据表 | 功能描述 |
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 |
National Semiconductor ... | DM54S287AJ |
124Kb/4P | (256 x 4) 1024-BIT TTL PROM |
| DM54S287J |
124Kb/4P | (256 x 4) 1024-BIT TTL PROM |
| DM54S288 |
132Kb/4P | 256 - 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 |
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