Overview

Description

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. 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

  • 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)

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
  • Other Industrial/Medical/Automotive

Documentation

Type Title Date
Datasheet PDF 907 KB
Brochure PDF 5.20 MB 日本語
Product Change Notice PDF 152 KB
Other PDF 188 KB
Manual - Development Tools PDF 815 KB
Application Note PDF 302 KB
6 items

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Other PDF 846 KB
Library EXE 7.85 MB
Library EXE 1.62 MB
Library EXE 3.02 MB
4 items

Boards & Kits

Boards & Kits

Models