DS1302 Real Time Clock (RTC) Module – With Battery

120.00 Incl Tax

In stock

DS1302 is DALLAS company launched a trickle charge clock chip, containing a real-time clock/calendar and 31 bytes of static RAM, communicating through serial interface simple and single-chip microcomputer. The real-time clock/calendar circuit provides seconds, hours, days, weeks, months, years of information, a number of days in the month and leap year can automatically adjust. The clock operation instructions through the AM/PM decided to use 24 or 12-hour format.

SKU: 15469 Categories: , ,

Between DS1302 and single-chip microcomputer can simply use synchronous serial communication method, only three lines:

  • RST.
  • I/O reset the data line.
  • SCLK serial clock.

Clock /RAM read/write data to a byte character set or as many as 31-byte communication. DS1302 work power consumption is very low to keep the data and clock information when power is less than 1mW. Note: VCC and GND do not reverse, so as not to burn the chip. 51 SCM P0 port to receive a pull-up resistor, if your computer is not connected pull-up resistor, the data can be the string to the other port.

Wiring method (to provide procedures, for example, can pick up any IO port, in the procedure to modify the port definitions :

  • VCC:+5V/3.3V.
  • GND: GND.
  • CLK: P02.
  • DAT: P01.
  • RST: P00.

Package Contains:

  • 1 – DS1302 Real Time Clock (RTC) Module – With Battery.

5 Days Replacement

This item is covered with a standard replacement of 5 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of iTElectronicscomp’s customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects only.


What voids the warranty?

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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  1. 01

    by Tanmay Ghosh

    It’s not the SMD one but comes the a battery. Working fine.

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DS1302 Clock Module

DS1302 Real Time Clock (RTC) Module - With Battery

120.00 Incl Tax

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