Features

 Very low power consumption: 240 nA @ 3V

 Time accuracy: ±3 ppm @ -40°C to 85°C

 External Event Input with Interrupt and Time Stamp function

 Wide operating voltage range: 1.5V to 5.5V

 Integrated CMOS Oscillator with 32.768kHz crystal resonator

 Factory calibrated temperature compensation

 Internal Power-On Reset (POR)

 Alarm Interrupts for second, minutes, hour, date and weekday

 Automatic leap year calculation (2000 to 2099)

 Clock output: 32.768 kHz, 1.024 Hz, and 1 Hz

 I2C-bus interface: 400 kHz

 REACH/RoHS II Compliant | MSL Level 1