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PT7C4300 - Real-time Clock Module

General Description

The PT7C4300 serial real-time clock is a low-power clock/calendar with a programmable square-wave output.

Key Features

  • Using external 32.768kHz quartz crystal Supports I2C-Bus's high speed mode (400 kHz) Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code).
  • Automatic power-fail detect and switch circuitry of battery backup Operating range: 2.0V to 5.5V Software clock calibration Ultra-low battery supply current of 1µA Address and data are transferred serially via a 2-wire bidirectional bus. The clo.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Data Sheet PT7C4300 Real-time Clock Module (I2C Bus) Description The PT7C4300 serial real-time clock is a low-power clock/calendar with a programmable square-wave output. ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Features • • • Using external 32.