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Details for DS3231MZ+ by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Clocks Timing & Frequency Management

DS3231MZ+ by Maxim Integrated

+2.3V to +5.5V Supply Voltage
1Hz and 32.768kHz Outputs
8-Pin or 16-Pin SO Packages
Battery-Backup Input for Continuous Timekeeping
Complete Clock Calendar Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100
Digital Temp Sensor with u00b13u00b0C Accuracy
Fast (400kHz) I2C Interface
Footprint and Functionally Compatible to DS3231
Highly Accurate RTC With Integrated MEMS Resonator Completely Manages All Timekeeping Functions
Low Power Operation Extends Battery-Backup Run Time
Operating Temperature Range: -40u00b0C to +85u00b0C
Reset Output and Pushbutton Input with Debounce
Simple Serial Interface Connects to Most Microcontrollers
Timekeeping Accuracy u00b15ppm (u00b10.432 Second/Day) from -45u00b0C to +85u00b0C
Two Time-of-Day Alarms
Underwriters Laboratoriesu00ae (UL) Recognized
Part Information
DS3231MZ+ image
RoHS Compliant
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.
Date Format:
Clock Format:
Clock IC Type:
Alarm RTC
Supply Voltage Min:
Supply Voltage Max:
Clock IC Case Style:
No. of Pins:
IC Interface Type:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
To Be Advised
MSL 1 - Unlimited
No SVHC (15-Jan-2018)
Alternate Descriptions
RTC, I2C, NSOIC-8; Date Format:Day; Date; Month; Year; Clock Format:HH:MM:SS; Clock IC Type:Alarm RTC; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Clock IC Case Style:NSOIC; No. of Pins:8Pins; IC Interface Type:I2C RoHS Compliant: Yes Newark Electronics
Real Time Clock Serial 8-Pin SOIC N Avnet America
Real Time Clock Serial 8-Pin SOIC N Avnet Europe
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