DS3231SN

Features:

• Accuracy ±2ppm from 0°C to +40°C
• Accuracy ±3.5ppm from -40°C to +85°C
• Battery Backup Input for Continuous Timekeeping
• Operating Temperature Ranges
  • Commercial: 0°C to +70°C
  • Industrial: -40°C to +85°C
• Low-Power Consumption
• Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
• Two Time-of-Day Alarms
• Programmable Square-Wave Output
• Fast (400kHz) I2C Interface
• 3.3V Operation
• Digital Temp Sensor Output: ±3°C Accuracy
• Register for Aging Trim
• Active-Low RST Output/Pushbutton Reset Debounce Input