PT7C4302 - Real-time Clock Module

Pericom Semiconductor

The PT7C4302 by Pericom Semiconductor is a Real-time Clock Module. Below is the official datasheet preview.

Datasheet Details

Part number	PT7C4302
Manufacturer	Pericom Semiconductor
File Size	349.93 KB
Description	Real-time Clock Module
Datasheet	PT7C4302_PericomSemiconductor.pdf
Additional preview pages of the PT7C4302 datasheet.

The PT7C4302 serial real-time clock is a lowpower clock/calendar with a programmable square-wave output and 31 bytes of nonvolatile RAM.

Using external 32.768kHz quartz crystal.
Real-time clock (RTC) counts seconds, minutes hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2099.
31-byte, nonvolatile (NV) RAM for data storage.
Time keeping voltage: 1.5V to 5.5V.
Uses less than 300nA at 2.0V.
Simple 3-wire interface.
Serial I/O for minimum pin count.
Burst mode for reading/writing successive addresses in clock/RAM.
TTL-compatible (VCC = 5.

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Published: Oct 8, 2007 |