| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | 54LS155DMQB |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS155FMQB |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS155LMQB |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS156 |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS156 |  56Kb/2P | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 54LS156DM |  56Kb/2P | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 54LS156DMQB |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS156FM |  56Kb/2P | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 54LS156FMQB |  161Kb/8P | Dual 2-Line to 4-Line Decoders/Demultiplexers |
| 54LS157 |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS157E |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS157J |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS157M |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS157N |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS157W |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS158 |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS158E |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS158J |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS158M |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |
| 54LS158N |  160Kb/8P | Quad 2-Line to 1-Line Data Selectors/Multiplexers |