| 型号 | 制造商 | 描述 | 操作 |
| M74HC257B1R [更多] | STMicroelectronics | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-Ch Multiplexr RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| M74HC257B1R [更多] | STMicroelectronics | Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin PDIP Tube - Rail/Tube (Alt: M74HC257B1R) RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| M74HC257B1 [更多] | STMicroelectronics | 搜索 | |
| M74HC257B1N [更多] | STMicroelectronics | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 | 搜索 |
