| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | KK74AC139 | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS | 254K |
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| 2 | KK74AC139D | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS | 254K |
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| 3 | KK74AC139N | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS | 254K |
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