DS1307 RTC Real Time Clock




7 in stock

30.00 (Exc. GST)

7 in stock

The DS1307 Serial Real Time Clock is a low power, full BCD clock/calendar plus 56 bytes of non volatile SRAM. Address and data are transferred serially via a 2-wire bi-directional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with less than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The DS1307 has a built-in power sense circuit which detects power failures and automatically switches to the battery supply.


  • Real time clock counts seconds, minutes,hours, date of the month, month, day of theweek, and year with leap year compensation valid up to 2100
  • 56 byte nonvolatile RAM for data storage
  • 2-wire serial interface
  • Programmable squarewave output signal
  • Automatic power-fail detect and switch circuitry
  • Consumes less than 500 nA in battery backupmode with oscillator running
  • Optional industrial temperature range-40°C to +85°C
  • Available in 8-pin DIP
  • Recognized by Underwriters Laboratory


SKU: 114 Category:

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