| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DM74S139 | Decoder/Demultiplexer | 56K |
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| 2 | DM74S139 | Decoder/Demultiplexer | 56K |
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| 3 | DM74S139J/A+ | 2-To-4-Line Demultiplexer | 133K |
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| 4 | DM74S139N | Decoder/Demultiplexer | 56K |
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| 5 | DM74S139N/A+ | 2-To-4-Line Demultiplexer | 133K |
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| 6 | DM74S139N/B+ | 2-To-4-Line Demultiplexer | 133K |
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