• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month, and Year
• On-chip Oscillator Compensation Over the Operating
Temperature Range
- ±5ppm Over -40°C to +85°C
• 10-bit Digital Temperature Sensor Output
- ±2°C Accuracy
• Customer Programmable Day Light Saving Time
• 15 Selectable Frequency Outputs
• 1 Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
• Battery Reseal™ Function to Extend Battery Shelf Life
• Automatic Backup to Battery or Super Capacitor
- Operation to VBAT = 1.8V
- 1.0μA Battery Supply Current
• Battery Status Monitor
- 2 User Programmable Levels
- Seven Selectable Voltages for Each Level
• Power Status Brownout Monitor
- Six Selectable Trip Levels, from 2.295V to 4.675V
• Oscillator Failure Detection
• Time Stamp for First VDD to VBAT, and Last VBAT to VDD
• 128 Bytes Battery-Backed User SRAM
• I2C Bus™
- 400kHz Clock Frequency
• 1μA Typical Battery Current
• Pb-Free (RoHS Compliant)