Real Time Clock Module DS1302

The real time clock module provides seconds, minutes, hours, days, date, months, and year information. This real time clock module communicates with a microprocessor via an I2C interface and has a battery backup.

Not currently available

Our Code: MCU-60147

Note: this module is supplied with a lithium battery so must travel by road due to aviation regulations. If you need one in a hurry we also sell it without the battery here.

Real Time Clock Module DS1302 - comes with battery. Not allowed to travel by air :(


  • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
  • Serial I/O for Minimum Pin Count
  • 2.0V to 5.5V Full Operation
  • Uses Less than 300nA at 2.0V
  • Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock or RAM Data
  • Board Size: 44mm x 24mm
  • Dimensions: 0.75x0.75" (20x20mm)