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BU9873

Part Number	BU9873
Manufacturer	ROHM
Description	I2C BUS Serial Interface RTC
Published	May 5, 2014
Detailed Description	Datasheet Real-Time Clock (RTC) series I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873 O...
Datasheet	BU9873 PDF File

Overview

Datasheet Real-Time Clock (RTC) series I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873 Outline The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function.
This product is 2 connected to the CPU via I C interface, and configured to perform serial transmission of time and calendar data to the CPU.
A high-precision oscillation adjustment circuit is also integrated, which is capable of adjusting time counts with digital method, and correcting deviations in the oscillation frequency of the crystal oscillator.
Important Characteristics ■ ■ ■ ■ ■ ■ Time Keeping Voltage Time Keeping Current 1 (VDD=3V, Ta=+25°C) Time Keeping Current 2 (VD...

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