| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MM58274CV | Microprocessor Compatible Real Time Clock | 233K |
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| 2 | MM58274CV-12 | MICROPROCESSOR COMPATIBLE REAL TIME CLOCK | 933K |
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| 3 | MM58274CV-12 | MICROPROCESSOR COMPATIBLE REAL TIME CLOCK | 933K |
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