Features

1. Two Time-of-Day Alarms.
2. Digital Temp Sensor Output.
3. Register for Aging Trim.
4. DS 3231 RTC with 2032 Battery Holder.
5. Highly Accurate RTC Completely Manages All Timekeeping Functions.
6. 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.
7. Configurable I2C device Address for AT24C32 using SMD jumpers on PCB (A0, A1, A2).
8. Programmable Square-Wave Output Signal.
9. Battery-Backup Input for Continuous Timekeeping.
10. Low Power Operation Extends Battery-Backup Run Time.

Package Includes

1 x DS3231 Precise Real-Time Clock Module Memory Module

Specifications

Operating Voltage Range	2.7V ~ 5.5V (including 24C32).
Voltage Supply for RTC	2.2 V ~ 5.5 V
Accuracy	±2ppm from 0°C to +40°C. ±3.5ppm from -40°C to +85°C.
Battery Holder	2032 Coin Battery.
I2C interface	Fast (400kHz) I2C Interface.
EEPROM	AT24C32 32Kbit Serial I2C.
Time and Date Format	Time: HH: MM: SS (12/24 hr). Date Format: YY-MM-DD-dd.
Operating Temperature Range	Commercial (0°C to +70°C) Industrial (-40°C to +85°C).
Digital Temp Sensor Output	10 bit, ±3°C Accuracy and 0.25C resolution.
Dimensions in mm (LxWxH)	38 x 22 x 14
Weight(gm)	8
Shipment Weight	0.11 kg
Shipment Dimensions	12 × 8 × 5 cm