| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74VHC540 | Octal Bus Buffer | 172K |
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| 2 | MC74VHC540 | Octal Bus Buffer Inverting | 211K |
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| 3 | MC74VHC540DT | Octal Bus Buffer | 172K |
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| 4 | MC74VHC540DW | Octal Bus Buffer | 172K |
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| 5 | MC74VHC540M | Octal Bus Buffer | 172K |
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