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MAX31331

Part Number	MAX31331
Manufacturer	Analog Devices
Description	I2C Real-Time Clock and Power Management
Published	Jan 28, 2023
Detailed Description	Click here to ask an associate for production status of specific part numbers. Ultra-Low-Power, I2C Real-Time Clock and...
Datasheet	MAX31331 PDF File

Overview

Click here to ask an associate for production status of specific part numbers.
Ultra-Low-Power, I2C Real-Time Clock and Power Management MAX31331 General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life.
The MAX31331 supports a wide range of 32.
768kHz crystals.
A crystal with any capacitive loading (CL) spec can be used, which broadens the pool of usable crystals for this device.
This device is accessed through an I2C serial interface.
The device also features a backup supply pin (VBAT) and automatically switches over to the backup supply (VBAT) when the main supply (VCC) drops below the programmed threshold voltage and the backup supply (VBAT) voltage.
Other features include two time-of-day alarms, interrupt outputs, programmable square-wave output, event detection input with timestamping, and a serial bus timeout mechanism.
The 32-byte timestamp registers double as RAM st...

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