Real Time Clock Module / RTC

• 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

• Digital Temp Sensor Output: ±3°C Accuracy

• Two Time-of-Day Alarms

• Programmable Square-Wave Output Signal

• Simple Serial Interface Connects to Most Microcontrollers

• Fast (400kHz) I2C Interface

• Low Power Operation Extends Battery-Backup Run Time

• 3.3V Operation

• Operating Temperature Ranges: Commercial (0°C to +70°C) and Industrial (-40°C to +85°C)

• خرج مستشعر درجة الحرارة الرقمية: دقة ± 3 درجة مئوية