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DS3231M

Maxim Integrated
Part Number DS3231M
Manufacturer Maxim Integrated
Description I2C Real-Time Clock
Published Apr 17, 2018
Detailed Description DS3231M ±5ppm, I2C Real-Time Clock General Description The DS3231M is a low-cost, extremely accurate, I2C realtime clo...
Datasheet PDF File DS3231M PDF File

DS3231M
DS3231M

Overview
DS3231M ±5ppm, I2C Real-Time Clock General Description The DS3231M is a low-cost, extremely accurate, I2C realtime clock (RTC).
The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted.
The integration of the microelectromechanical systems (MEMS) resonator enhances the long-term accuracy of the device and reduces the piecepart count in a manufacturing line.
The DS3231M is available in the same footprint as the popular DS3231 RTC.
The RTC maintains seconds, minutes, hours, day, date, month, and year information.
The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year.
The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator.
Two programmable time-ofday alarms and a 1Hz output are provided.
Address and data are transferred serially through an I2C bidirectional bus.
A precision temperature-compensated voltage reference and c...


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