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
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