The package 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) contains real time clocks.The package is in the form of Tape & Reel (TR).This electrical RTC has a supply voltage of 1.8V~5.5V.This electrical real time clock has the type Clock/Calendar.Surface Mount is the way this real time clock (RTC) is mounted.Electronic time clocks are recommended that the operating temperature be -40°C~125°C.When operating, Alarm, Leap Year, Square Wave Output, Watchdog Timer can be ensured.It is possible to terminate a transmission line with a RTC module that matches the characteristic impedance of the line, which is known as 8 termination.Obviously, a voltage of 2V is being supplied to this electronic component.There are 8 pins on it.The family RTCs belongs to are PCA8565.Real time clocks' output frequency should not exceed 0.032MHz.Upon receiving an input signal, 1 timers output a signal at a preset time.