| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MC74HCT244ASD | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs | 265K |
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| 2 | MC74HCT244ASD | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs | 118K |
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