Overview

Description

The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. 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, and Seconds
  • Day of the Week, Day, Month, and Year
  • 15 Selectable Frequency Outputs
  • Single Alarm
  • Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
  • Single Event or Pulse Interrupt Mode
  • Automatic Backup to Battery or Super Capacitor
  • Power Failure Detection
  • On-Chip Oscillator Compensation
  • 2 Bytes Battery-Backed User SRAM
  • I2C Interface
  • 400kHz Data Transfer Rate
  • 400nA Battery Supply Current
  • Same Pin Out as ST M41Txx and Maxim DS13xx Devices
  • Small Package Options
  • 8 Ld MSOP and SOIC Packages
  • 8 Ld TDFN Package
  • Pb-Free Available (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

Documentation

Title Type Date
PDF1.06 MB
Datasheet
PDF302 KB
Application Note
PDF329 KB
Application Note
PDF2.72 MB日本語
Brochure
PDF603 KB
End Of Life Notice
PDF815 KB
Manual - Development Tools
PDF443 KB
Manual - Development Tools
PDF913 KB
Manual - Development Tools
PDF243 KB
Other
PDF266 KB
Other
PDF302 KB
Other
PDF264 KB
Other
PDF232 KB
Other
PDF1.83 MB
Overview
PDF208 KB
Price Increase Notice
PDF363 KB
Product Advisory
PDF126 KB
Product Change Notice
PDF152 KB
Product Change Notice
PDF135 KB
Product Change Notice

Design & Development

Software & Tools

Software Downloads

Title Type Date
PDF603 KB
End Of Life Notice
EXE7.85 MB
Library
EXE1.62 MB
Library
EXE3.02 MB
Library
PDF846 KB
Software & Tools - Other

Boards & Kits

Boards & Kits

Models

Support