20-SOIC (0.295, 7.50mm Width) contains real time clocks.A Tube package is used to package time clock.Its supply voltage is 2.7V~3.63V.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 0°C~70°C degrees Celsius during operation.Electronic time clocks are possible to guarantee Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal when operating.Transmission lines can be terminated with 20 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.20 pins are present on it.DS32B35 are RTC s family.2.3V~3.6V is the supply voltage of this electrical digital time clock.A memory of 2KB is embedded into the RTC times for storing programs and data.There is a mounting type of Surface Mount for this RTC module.With 20 pins, it is equipped.1 timers are in the real time clock that outputs a signal in response to an input signal.Frequency 32.768kHz can be achieved.8 Bits are used in the design of this digital time clock.3 outputs are configured.