DS3231 DS3231M I2C Real-Time Clock SOP-16 IC View larger

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DS3231 DS3231M I2C Real-Time Clock SOP-16 IC

DS3231M-SOP-16

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₹ 150.00 tax excl.

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DESCRIPTION:
The DS3231M is a low-cost, extremely accurate, I2C real-time 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 piece-part 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-of-day 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 comparator circuit monitors the status of VCC to detect power failures, to provide a reset output, and to automatically switch to the backup supply when necessary. Additionally, the RST pin is monitored as a push button
input for generating a microprocessor reset. See the Block Diagram for more details.

Applications:

  • Power Meters
  • Industrial Applications


Features:

  • Highly Accurate RTC With Integrated MEMS Resonator Completely Manages All Timekeeping Functions
    • Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100
    • Timekeeping Accuracy ±5ppm (±0.432 Second/Day) from -45°C to +85°C
    • Footprint and Functionally Compatible to DS3231
    • Two Time-of-Day Alarms
    • 1Hz and 32.768kHz Outputs
    • Reset Output and Push button Input with Debounce
    • Digital Temp Sensor with ±3°C Accuracy
    • +2.3V to +5.5V Supply Voltage
  • Simple Serial Interface Connects to Most Microcontrollers
    • Fast (400kHz) I2C Interface
  • Battery-Backup Input for Continuous Timekeeping
    • Low Power Operation Extends Battery-Backup Run Time
  • Operating Temperature Range: -40°C to +85°C
  • 8-Pin or 16-Pin SO Packages
  • Underwriters Laboratories® (UL) Recognized

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