Low Power RTC with Battery ReSeal™, 2 IRQs, Hundredths of a Second Time, and Crystal Compensation
●The ISL12082 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, 2 IRQs, periodic or polled alarm, timer/watchdog, and intelligent battery backup switching.
●The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, seconds and hundredths of a second. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction.
●Features
●• Real Time Clock/Calendar
● - Tracks Time in Hours, Minutes, Seconds, and Hundredths of a Second
● - Day of the Week, Day, Month, and Year
●• 4 Selectable Frequency Outputs
●• Alarm
● - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
● - Single Event or Pulse Interrupt Mode
●• Timer
● - 4 Selectable Timer Functions
● - 4 Selectable Timer Clock Frequencies
● - Single Event or Pulse Interrupt Mode
●• Automatic Backup to Battery or Supercapacitor
●• Power Failure Detection
●• Battery ReSeal™
●• On-Chip Oscillator Compensation
●• I2C Interface
● - 400kHz Data Transfer Rate
●• 800nA Battery Supply Current
●• Small Package Options
● - 8 Ld SOIC Package
● - 10 Ld MSOP Package
●• 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
