| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DS1644-120 | Nonvolatile Timekeeping RAM | 110K |
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| 2 | DS1644-120 | Nonvolatile Timekeeping RAM | 110K |
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| 3 | DS1644-120 | Nonvolatile Timekeeping RAM | 309K |
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| 4 | DS1644-120 | Nonvolatile Timekeeping RAM | 112K |
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| 5 | DS1644-120 | Nonvolatile Timekeeping RAM | 112K |
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| 6 | DS1644-120+ | Nonvolatile Timekeeping RAM | 221K |
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