| 型号 | 制造商 | 描述 | 操作 |
| SN74LS257BNE4 [更多] | Texas Instruments | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slct/Mltpx W/3St Otp RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS257BNE4 [更多] | Texas Instruments | Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin PDIP Tube - Rail/Tube (Alt: SN74LS257BNE4) RoHS: Compliant | 搜索 |