自营库存
原装正品 现货库存- 工作电压：
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- 电池供应电压：
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- 电流消耗：
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DESC：带涓流充电的时钟芯片，工作电压：2.0V-5.5V
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DESC：SPI,2V~5.5V
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DESC：I?C、32位二进制计数器RTC
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DESC：I2C,2线串口
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DESC：IC RTC CLK/CALENDAR I2C
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DESC：±5ppm, I2C实时时钟，集成了MEMS谐振器的温补RTC，有效降低晶体的机械失效风险
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