ISL12008

ISL12008 Description

ISL12008 Categories

ISL12008 Manufacturer

ISL12008 Datasheet (PDF)

ISL12008 Price & Availability

ISL12008 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)

ISL12008 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.

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