DS3231SN Real Time Clock IC (SOIC 16, I2C, Alarm, Battery Backup)

The DS3231SN is a real time clock (RTC) IC designed to maintain accurate time and calendar information. It communicates with a microcontroller through the I2C serial interface and supports timekeeping, calendar functions, alarms, and battery backup. Its temperature compensated crystal oscillator helps maintain timekeeping accuracy across varying operating temperatures. Verify the exact package and pinout against the manufacturer datasheet before assembly.

Key Features -

• Real time clock with time and calendar functions

• I2C serial communication interface

• Integrated temperature compensated crystal oscillator

• Two programmable time of day alarms

• Battery backup support for continued timekeeping when the main supply is unavailable

• Calendar functions including seconds, minutes, hours, day, date, month, and year

• Automatic leap year compensation

• Temperature sensor integrated into the IC

Specifications -

• Part Number: DS3231SN

• IC Type: Real Time Clock and Calendar

• Package: SOIC 16, as specified

• Communication Interface: I2C

• Timekeeping: Hours, minutes, and seconds

• Calendar: Day, date, month, and year

• Alarm Functions: Two programmable alarms

• Oscillator: Temperature compensated crystal oscillator

• Backup Supply: External backup battery support

• Operating voltage and pin configuration: Refer to the exact manufacturer datasheet

Applications -

• Microcontroller based clock and calendar systems

• Data loggers and timestamp recording devices

• Industrial monitoring and automation equipment

• Embedded systems requiring reliable timekeeping

• Digital clocks and timers

• Battery backed timekeeping circuits

• IoT devices and electronic control systems