| 型号 | 制造商 | 描述 | 操作 |
| 74AHC257PW,118 [更多] | Nexperia | Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-INPUT RoHS: Compliant | 搜索 |
| 74AHC257PWDH-T [更多] | NXP Semiconductors | Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-INPUT MULTIPLEXER RoHS: Compliant | 搜索 |
