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DS1340

Part Number	DS1340
Manufacturer	Maxim Integrated Products
Description	I2C RTC
Published	Mar 15, 2007
Detailed Description	DS1340 I2C RTC with Trickle Charger General Description The DS1340 is a real-time clock (RTC)/calendar that is pin com...
Datasheet	DS1340 PDF File

Overview

DS1340 I2C RTC with Trickle Charger General Description The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00, including the software clock calibration.
The device additionally provides trickle-charge capability on the VBACKUP pin, a lower timekeeping voltage, and an oscillator STOP flag.
Block access of the register map is identical to the ST device.
Two additional registers, which are accessed individually, are required for the trickle charger and flag.
The clock/calendar provides seconds, minutes, hours, day, date, month, and year information.
A built-in power-sense circuit detects power failures and automatically switches to ...

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