DS1302 REAL-TIME CLOCK MODULE / WITH BATTERY CR2032 (2 pcs)

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SKU : WPI301
Quantity on Hand : 5
Skill Level : Assembled and Tested

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8.25 8.25 USD 8.25

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Description: The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator.


manages all timekeeping functions: real-time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year

31 x 8 battery-backed general-purpose RAM

simple serial port interfaces to most microcontrollers: simple 3-wire interface

TTL compatible: VCC = 5 V

single-byte or multiple-byte (burst mode) data transfer for read or write of clock or RAM data

low power operation extends battery backup run time: 2.0 V to 5.5 V full operation

uses less than 300 nA at 2.0 V

temperature range: 0°C to +70°C

battery: CR2032 (included)


Operational properties:

  • Instruction manual languages English
  • Coding skill level none
  • Electronics skill level none
  • Mechanics skill level none
  • Soldering skill level none


Product basic info:

  • Colour unit Black
  • Additional colour Grey
  • Weight unit 38 g

Documentation and Downloads