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DS3231S Datasheet Extremely ACcurate I2c-integrated Rtc/tcxo/crystal

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: DS3231 Extremely Accurate I2C-Integrated RTC/TCXO/Crystal General.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal.

The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted.

The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line.

Key Features

  • Highly Accurate RTC Completely Manages All Timekeeping Functions.
  • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year, with Leap-Year Compensation Valid Up to 2100.
  • Accuracy ±2ppm from 0°C to +40°C.
  • Accuracy ±3.5ppm from -40°C to +85°C.
  • Digital Temp Sensor Output: ±3°C Accuracy.
  • Register for Aging Trim.
  • RST Output/Pushbutton Reset Debounce Input.
  • Two Time-of-Day Alarms.

DS3231S Distributor & Price

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