Low Power RTC with Battery ReSeal™ Function

The ISL12008 device is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The device additionally provides power-fail indicator, software alarm and intelligent battery backup.

Features

• Pin Compatible to ST M41T00S and Maxim DS1340

• Functionality Equivalent to ST M41T00S and Maxim DS1340

• Real Time Clock/Calendar

- Tracks Time in Hours, Minutes, Seconds and Sub-seconds

- Day of the Week, Day, Month, and Year

• 512Hz Frequency Outputs for On-Chip Crystal Compensation

• Software Alarm

- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month

• Automatic Low-Drop Battery Switch for Longest Backup Life

• Power Failure Detection

• Battery ReSeal™ for Long Shelf Life

• I2C Bus™

- 400kHz Data Transfer Rate

• 800nA Battery Supply Current

• Small Package Option

- 8 Ld SOIC

• Pb-Free (RoHS Compliant)

Applications

• Utility Meters

• HVAC Equipment

• Audio/Video Components

• Set-Top Box/Television

• 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