| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | PCF2123U | SPI Real time clock/calendar | 245K |
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| 2 | PCF2123U | SPI Real time clock/calendar Time keeping application | 864K |
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| 3 | PCF2123U/10AA | SPI Real time clock/calendar | 1170K |
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| 4 | PCF2123U/12AA | SPI Real time clock/calendar | 1170K |
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