Intersil Low Cost RTC Family User's Guide Intersil Low Cost RTC Family User’s Guide Application Note January 2, 2008 AN1373.0 Introduction Alarm Operation Intersil Real Time Clock (RTC) products now include a low The Alarm function generates an alarm once every minute, cost set of products that strike a balance of features and hour, day, week, month or year. There is one alarm register performance for a wide variety of applications. Formerly the set that has essentially the same format as the devices in the RTC product l……