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SM8577B
Real-time Clock IC
The SM8577B is a CMOS serial-interface type real-time clock IC that operates at 32.768kHz. It employs a 3-line serial interface to transfer time and date data. It incorporates a supply voltage detect function to determine data validity/invalidity. It features an output interrupt with 32kHz or 1Hz output frequency. It is available in SOP-8.
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32.768kHz and 1Hz output interrupt selectable |
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Timer counters for second, minute, hour, day, day of the week, month, and year |
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1.7±0.3V supply voltage detection threshold |
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2.5 to 5.5V operating voltage range |
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1.0µA/3.0V (typ) current consumption |
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Package:SOP-8-052044-1 |
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Datasheet(PDF 96KB)
