| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | IN74AC240DW | Octal 3-State Inverting Buffer/Line Driver/Line Receiver High-Speed Silicon-Gate CMOS | 168K |
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| 2 | IN74AC240DW | Octal 3-State Inverting Buffer/Line Driver/Line Receiver High-Speed Silicon-Gate CMOS | 219K |
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