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DS1340 - I2C RTC

DS1340 Description

DS1340 I2C RTC with Trickle Charger General .
The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00, including the software clock calib.

DS1340 Features

* Enhanced Second Source for the ST M41T00
* Completely Manages All Timekeeping Functions
* RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year
* Software Clock Calibration
* Oscillator Stop Flag
* Low-Power Operation Extends Battery Backup

DS1340 Applications

* Portable Instruments Point-of-Sale Equipment Medical Equipment Telecommunications Typical Operating Circuit VCC VCC CRYSTAL VCC RPU RPU 1 28 X1 6 SCL X2 VCC 7 FT/OUT CPU DS1340 5 SDA RPU = tR / CB 3 VBACKUP GND 4 C1 Pin Configurations appear at end of data sheet. UL is a registered tr

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I2C RTC Maxim Integrated Products
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