Low Power RTC with 50/60 Cycle AC Input, Alarms and Daylight Savings CorrectionThe ISL12030 device is a low power real time clock with50/60 AC input for timing synchronization, clock/calendarregisters, single periodic or polled alarms. There are 128bytes of user SRAM.The oscillator uses a 50/60 cycle sine wave input. The realtime clock tracks time with separate registers for hours,minutes, and seconds. The calendar registers contain thedate, month, year, and day of the week. The calendar isaccurate through year 2100, with automatic leap yearcorrection and auto daylight savings correction.