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DS1339

Part Number	DS1339
Manufacturer	Maxim Integrated
Description	I2C Serial Real-Time Clock
Published	Sep 24, 2015
Detailed Description	GENERAL DESCRIPTION The DS1339 serial real-time clock (RTC) is a lowpower clock/date device with two programmable timeof...
Datasheet	DS1339 PDF File

Overview

GENERAL DESCRIPTION The DS1339 serial real-time clock (RTC) is a lowpower clock/date device with two programmable timeof-day alarms and a programmable square-wave output.
Address and data are transferred serially through an I2C bus.
The clock/date provides seconds, minutes, hours, day, date, month, and year information.
The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year.
The clock operates in either the 24-hour or 12-hour format with AM/PM indicator.
The DS1339 has a built-in powersense circuit that detects power failures and automatically switches to the backup supply, maintaining time, date, and alarm operation...

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