| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | DS12C887 | Real Time Clock | 198K |
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| 2 | DS12C887 | 新型时钟日历芯片 | 125K |
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| 3 | DS12C887 | Real-Time Clock | 370K |
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| 4 | DS12C887 | Real-Time Clocks | 274K |
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| 5 | DS12C887+ | Real-Time Clock | 370K |
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| 6 | DS12C887+ | Real-Time Clocks | 274K |
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| 7 | DS12C887A | Real-Time Clock | 85K |
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| 8 | DS12C887A | Real-Time Clock | 370K |
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| 9 | DS12C887A | Real-Time Clocks | 274K |
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| 10 | DS12C887A+ | Real-Time Clock | 370K |
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| 11 | DS12C887A+ | Real-Time Clocks | 274K |
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