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DS3231M+ - 

Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, WSOIC-16

DS3231M+ - Alarm RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 2.3 V to 5.5 V, WSOIC-16

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Manufacturer Part No:
DS3231M+
Order Code:
2515405
Technical Datasheet:
DS3231M+   Datasheet
See all Technical Docs

Product Overview

The DS3231M+ is a ±5ppm, temperature compensated I2C real time clock (RTC) in 16 pin WSOIC package. The low cost, extremely accurate, fast (400KHz) I2C RTC incorporates a battery input and maintains accurate timekeeping when main power to device is interrupted. The integration of MEMS resonator enhances long term accuracy and reduces piece part count in manufacturing line. 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 compensation up to year 2100. The clock operates in either 24hour or 12hour format with an AM/PM indicator. A precision temperature compensated voltage reference and comparator circuit monitors status of VCC to detect power failures to provide reset output and to automatically switch to backup supply when necessary. The RST pin is monitored as a pushbutton input for generating a microprocessor reset.
  • Supply voltage range from 2.3V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Digital temperature sensor with ±3°C accuracy and timekeeping accuracy ±5ppm (±0.432 second/day)
  • Footprint and functionally compatible to DS3231
  • Two programmable time of day alarms
  • 1Hz and 32.768KHz outputs
  • Reset output and pushbutton input with debounce
  • Address and data are transferred serially through an I2C bidirectional bus
  • Low power operation extends battery backup run time
  • UL recognized

Applications

Clock & Timing, Industrial

Product Information

:
Day; Date; Month; Year
:
HH:MM:SS
:
Alarm RTC
:
2.3V
:
5.5V
:
WSOIC
:
16Pins
:
I2C
:
-40°C
:
85°C
:
-
:
-
:
MSL 3 - 168 hours
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