Overview

Description

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)

Comparison

Applications

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

Documentation

Type Title Date
Datasheet PDF 1.24 MB
End Of Life Notice PDF 1.17 MB
Product Change Notice PDF 152 KB
Other PDF 243 KB
Manual - Development Tools PDF 815 KB
Application Note PDF 302 KB
6 items

Design & Development

Models