DS3231M+

Electronic & Electrical Components

> Semiconductors - ICs

> Clocks Timing & Frequency Management

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Series Information for DS3231M+ - Maxim Integrated

Features

  • feature
    +2.3V to +5.5V Supply Voltage
  • feature
    1Hz and 32.768kHz Outputs
  • feature
    8-Pin or 16-Pin SO Packages
  • feature
    Battery-Backup Input for Continuous Timekeeping
  • feature
    Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100
  • feature
    Digital Temp Sensor with u00b13u00b0C Accuracy
  • feature
    Fast (400kHz) I2C Interface
  • feature
    Footprint and Functionally Compatible to DS3231
  • feature
    Highly Accurate RTC With Integrated MEMS Resonator Completely Manages All Timekeeping Functions
  • feature
    Low Power Operation Extends Battery-Backup Run Time
  • feature
    Operating Temperature Range: -40u00b0C to +85u00b0C
  • feature
    Reset Output and Pushbutton Input with Debounce
  • feature
    Simple Serial Interface Connects to Most Microcontrollers
  • feature
    Timekeeping Accuracy u00b15ppm (u00b10.432 Second/Day) from -45u00b0C to +85u00b0C
  • feature
    Two Time-of-Day Alarms
  • feature
    Underwriters Laboratoriesu00ae (UL) Recognized

Description

RTC I2C WSOIC-16
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 microelec- tromechanical systems (MEMS) resonator enhances the long-term accuracy of the device and reduces the piece- part count in a manufacturing line. The DS3231M is avail- able 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 refer- ence 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 neces- sary. Additionally, the RST pin is monitored as a pushbutton input for generating a microprocessor reset. See the Block Diagram for more details.

Specifications

Date Format:
Day
Clock Format:
HH
Clock IC Type:
Alarm RTC
Supply Voltage Min:
2.3V
Supply Voltage Max:
5.5V
Clock IC Case Style:
WSOIC
No. of Pins:
16Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Real Time Clock Serial 16-Pin SOIC W

Avnet America product

Avnet Europe

Real Time Clock Serial 16-Pin SOIC W

Avnet Europe product

Future Electronics

┬▒5ppm, I┬▓C Real-Time Clock