DS1302 RTC module

Weight: Help
10 g

On stock: Help 71

PLN 5,50
PLN 4,47 w/o VAT
EUR 1,28
EUR 1,04 w/o VAT

Tags: rtc, DS1302

DS1302 is RTC module with battery backup. Most important difference with popular DS1307 modules is used interface. DS1302 uses SPI, while DS1307 I2C. Maybe in Your project easier is add another SPI device. Pay attention to datasheet, since DS1302 is not one-to-one feature compatible with DS1307.


  • RTC chip - DS1302
  • connector - goldpin in raster 2.54 mm
  • PCB size 43.5 x 23 mm
  • height:
    • 12.5 mm including pins beneath PCB (CR2032 battery holder)
    • 10 mm - just PCB and elements on it
  • 4 M3 mounting holes