PT7C4307 - Real-time Clock Module

Product Overview

Pericom Semiconductor

Part number	PT7C4307
Manufacturer	Pericom Semiconductor
File Size	705.61 KB
Description	Real-time Clock Module
Datasheet	PT7C4307 Datasheet
Additional preview pages of the PT7C4307 datasheet.

The PT7C4307 serial real-time clock is a low-power clock/calendar with a programmable square-wave output and 56 bytes of nonvolatile RAM.

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).
Programmable square wave output signal.
56-byte, battery-backed, nonvolatile (NV) RAM for data storage.
Automatic power-fail detect and switch circuitry of battery backup.
Consumes less than 500nA in battery backup mode with oscillator running.

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Published: Jun 7, 2012 |