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DS1307 Real Time Clock

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  • Image 1
  • Typical Operating Circuit
  • Image 3
Dallas
$2.49
SKU:
CIC-0001307
Weight:
0.20 Ounces
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 Product Description

DS1307 Real Time Clock

The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes
of NV SRAM. Address and data are transferred serially through an I²C, bidirectional 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 fewer 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 that detects power failures and automatically switches to the backup supply. Timekeeping operation continues while the part operates from the
backup supply.
 
Key Features
 
  • Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the week, and Year with Leap-Year Compensation Valid Up to 2100
  • 56-Byte, Battery-Backed, General-Purpose RAM with Unlimited Writes
  • I²C Serial InterfaceProgrammable
  • Square-Wave Output Signal
  • Automatic Power-Fail Detect and Switch Circuitry
  • Consumes Less than 500nA in Battery-Backup Mode with Oscillator Running

 

Library

You can find an Arduino DS1307 library here.

 
 
 
 

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