1PC DS1307 DS1307Z SOP-8 RTC SERIAL 512K I2C Real-Time Clock IC

Description A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time. The DS 1307 is specifically designed for timekeeping. The time is fairly accurate with an error (time drift) of about 1 minute per month.