The ISL12025 device is a low power real-time clock with timing and crystal compensation, clock/calender, 64-bit unique ID, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, CPU Supervisor and integrated 512x8-bit EEPROM, in a 16 Bytes per page format.

Features
• Real-Time Clock/Calendar
   - Tracks Time in Hours, Minutes and Seconds
   - Day of the Week, Day, Month and Year
• 64-Bit Unique ID
• Two Non-Volatile Alarms
   - Settable on the Second, Minute, Hour, Day of the Week,
      Day or Month
   - Repeat Mode (Periodic Interrupts)
• Automatic Backup to Battery or Super Cap
• On-Chip Oscillator Compensation
   - Internal Feedback Resistor and Compensation
      Capacitors
   - 64 Position Digitally Controlled Trim Capacitor
   - 6 Digital Frequency Adjustment Settings to ±30ppm
• 512x8-Bits of EEPROM
   - 16-Bytes Page Write Mode (32 total pages)
   - 8 Modes of Block Lock™ Protection
   - Single Byte Write Capability
• High Reliability
   - Data Retention: 50 years
   - Endurance: 2,000,000 Cycles Per Byte
• I2C Interface
   - 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Package Options
   - 8 Ld SOIC and 8 Ld TSSOP Packages
• Pb-Free (RoHS Compliant)

Applications
• Utility Meters
• Audio/Video Components
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• Office Automation (Copiers, Fax)
• Home Appliances
• Computer Products
• Other Industrial/Medical/Automotive