Intersil

Real Time Clock/Calendar Tracks Time in Hours, Minutes, and Seconds Day of the Week, Day, Month, and Year 15 Selectable Frequency Outputs Single Alarm Settable to the Second, Minute, Hour, Day of the Week, Day, or Month Single Event or Pulse Interrupt Mode Automatic Backup to Battery or Super Capacitor Power Failure Detection On-Chip Oscillator Compensation 2 Bytes Battery-Backed User SRAM I2C Interface 400kHz Data Transfer Rate 400nA Battery Supply Current Same Pin Out as ST M41Txx and Maxim DS13xx Devices Small Package Options 8 Ld MSOP and SOIC Packages 8 Ld TDFN Package Pb-Free Available (RoHS Compliant)