Features :
• Consumes less than 500nA in battery-backup mode with oscillator running
• Automatic power-fail detection
• Backup by AT24C32 32Kbit
• Working voltage: 5V
• Two wire I2C interface
• Hour : Minutes : Seconds AM/PM
• Day Month, Date – Year
• Leap year compensation
• Accurate calendar up to year 2100
• Consumes Less than 500nA in Battery-Backup
• 56-Byte, battery-backed, general-purpose RAM
• 1Hz output pin
• 56 Bytes of Non-volatile memory available to user
• 4KB of serial electrically erasable and programmable read only memory (EEPROM)
• Embed DS18B20 temperature sensor interface with the pull-up resistor
• Dimensions: 28mm x 25mm x 8mm
