| 制造商 | 部件名 | 数据表 | 功能描述 |
 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 |