| Manufacturer | Part # | Datasheet | Description |
National Semiconductor ... | DM54LS25 | 
153Kb/6P | 8-Bit Addressable Latches |
| DM54LS251 |
135Kb/6P | TRI-STATE Data Selectors/Multiplexers |
| DM54LS251J |
135Kb/6P | TRI-STATE Data Selectors/Multiplexers |
| DM54LS251W |
135Kb/6P | TRI-STATE Data Selectors/Multiplexers |
| DM54LS253 |
158Kb/6P | TRI-STATE Data Selectors/Multiplexers |
| DM54LS253J |
158Kb/6P | TRI-STATE Data Selectors/Multiplexers |
| DM54LS253W |
158Kb/6P | TRI-STATE Data Selectors/Multiplexers |
National Semiconductor ... | DM54LS257BJ |
163Kb/8P | TRI-STATE Quad 2-Data Selectors/Multiplexers |
| DM54LS257BW |
163Kb/8P | TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor ... | DM54LS258BJ |
163Kb/8P | TRI-STATE Quad 2-Data Selectors/Multiplexers |
| DM54LS258BW |
163Kb/8P | TRI-STATE Quad 2-Data Selectors/Multiplexers |
| DM54LS259 |
153Kb/6P | 8-Bit Addressable Latches |
| DM54LS259E |
153Kb/6P | 8-Bit Addressable Latches |
| DM54LS259J |
153Kb/6P | 8-Bit Addressable Latches |
| DM54LS259W |
153Kb/6P | 8-Bit Addressable Latches |
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