DS1307 RTC (Real Time Clock)


19 in stock

SKU: DIP8-DS1307-12C_RTC Categories: ,


DS1307 RTC is cheapest and  most commonly used 2 wire serial (I2C) Real Time Clock (RTC) chip. This 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 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.

DS1307 RTC 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. Button cell or commonly known as coin cell is require and must for backup supply, other wise it will not work.  Battery pin should be pulled to ground, If you want to run this chip without backup cell,.

Additional information

Weight 3 g


MAXIM Integrated


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