| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DS1642 | Nonvolatile Timekeeping RAM | 141K |
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| 2 | DS1642-100 | Nonvolatile Timekeeping RAM | 141K |
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| 3 | DS1642-100 | Nonvolatile Timekeeping RAM | 141K |
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| 4 | DS1642-12 | Real-Time Clock | 269K |
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| 5 | DS1642-120 | IC-16K CMOS NVRAM | 76K |
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| 6 | DS1642-15 | Real-Time Clock | 269K |
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| 7 | DS1642-70 | Nonvolatile Timekeeping RAM | 141K |
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| 8 | DS1642-70 | Nonvolatile Timekeeping RAM | 141K |
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| 9 | DS1642-85 | Nonvolatile Timekeeping RAM | 148K |
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