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CBC921

Part Number	CBC921
Manufacturer	Cymbet
Description	Real-Time Clock/Calendar
Published	Sep 18, 2019
Detailed Description	Preliminary CBC921 PMRTC NPerwoduct! Data Brief Real-Time Clock/Calendar with Power Manager and Battery Charger Featur...
Datasheet	CBC921 PDF File

Overview

Preliminary CBC921 PMRTC NPerwoduct! Data Brief Real-Time Clock/Calendar with Power Manager and Battery Charger Features • Ultra-low power Real-Time Clock (RTC) with power-fail detect and battery management • Low power timer and power manager extend run time in battery-powered systems • Controls 4.
1V rechargeable micro-batteries and 3.
2V rechargeable coin cells and supercaps; no off-chip components required for battery charger • Buck charge pump supply extends backup battery life: 20nA RTC using internal RC oscillator 50nA RTC using crystal oscillator • Counters for hundredths, seconds, minutes, hours, date, month, year, century, and weekdays based on a 32.
768KHz crystal oscillato...

Similar Datasheet

CBC921 Real-Time Clock/Calendar - Cymbet

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