16-SOIC (0.295, 7.50mm Width) contains real time clocks.A Tube package is used to package time clock.Its supply voltage is 2.97V~5.5V.It is a Clock/Calendar type electrical real time clock.A part of this electronic RTC module is mounted in the way of Surface Mount.Electronic time clocks should be -40°C~85°C degrees Celsius during operation.Electronic time clocks are possible to guarantee Alarm, Leap Year, Square Wave Output, Trickle-Charger when operating.Transmission lines can be terminated with 16 terminations, which means that the RTC module that terminates the line matches its characteristic impedance.In this RTC real time clock, there is a voltage of 3.3V supplied to it.16 pins are present on it.DS1339 are RTC s family.1.3V~3.7V is the supply voltage of this electrical digital time clock.A frequency of 0.032MHz should not be exceeded by real time clocks' output.The power supply is 3.3V.With 16 pins, it is equipped.1 timers are in the real time clock that outputs a signal in response to an input signal.