ISL12030 Datasheet (Intersil Corporation)

ISL12030, Low Power RTC

PIN NUMBER 2 3 5 6 7 8 1, 4 SYMBOL GND AC SDA SCL IRQ VDD NC Ground.

AC Input.

The AC input pin accepts either 50Hz of 60Hz AC 2.5VP-P sine wave signal.

Serial Data.

SDA is a bi-directional pin used to transfer serial data into and out of the device.

It has an open drain output and may be wire OR’e

® ISL12030 Real Time Clock with 50/60 Hz Clock and Alarms Data Sheet December 14, 2007 FN6617.0 Low Power RTC with 50/60 Cycle AC Input, Alarms and Daylight Savings Correction www.datasheet4u.com The ISL12030 device is a low power real time clock with 50/60 AC input for timing synchronization, clock/calendar registers, single periodic or polled alarms.

There are 128 bytes of user SRAM.

The oscillator uses a 50/60 cycle sine wave input.

The real time clock tracks time with separate registers fo

ISL12030 Features

* 50/60 Cycle AC as a Primary Clock Input for RTC Timing

* Real Time Clock/Calendar - Tracks Time in Hours, Minutes, Seconds and tenths of a Second - Day of the Week, Day, Month and Year

* Auto Daylight Saving Time Correction - Programmable Forward and Backward Dates