| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | MC74VHC257M | Quad 2-Channel Multiplexer with 3-State Outputs | 100K |
|
|
| 2 | MC74VHC257M | Quad 2-Channel Multiplexer with 3-State Outputs | 100K |
|
|
| 3 | MC74VHC257MEL | Quad 2-Channel Multiplexer with 3-State Outputs | 100K |
|
|
| 4 | MC74VHC257MEL | Quad 2-Channel Multiplexer with 3-State Outputs | 100K |
|
|
