| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | MM74HC139N | Dual 2-To-4 Line Decoder | 72K |
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| 2 | MM74HC139N | Dual 2-To-4 Line Decoder | 95K |
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| 3 | MM74HC139N/A+ | 2-To-4-Line Demultiplexer | 208K |
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| 4 | MM74HC139N/B+ | 2-To-4-Line Demultiplexer | 208K |
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