DS3231N RTC IC
- Stock: 15
- SKU: 0777 | DAB634
128.62 (inc GST)
Rs.109.00 + GST
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DS3231 Real Time Clock IC
DS3231 IC is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature compensated 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. The DS3231 is available in commercial and industrial temperature ranges, and is offered in a 16-pin, 300-mil SO package.
DS3231 Real Time Clock 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 programmable square-wave 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 μP reset.
Benefits and Features of DS3231 RTC
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
Programmable Square-Wave Output Signal Simple Serial Interface Connects to Most Microcontrollers
Battery-Backup Input for Continuous Timekeeping Low Power Operation Extends Battery-Backup Run Time
Operating Temperature Ranges: Commercial (0°C to +70°C) and Industrial (-40°C to+85°C)
Applications of DS3231 RTC
Utility Power Meters