In this study, we present a very quick full adder cell that has high energy efficiency based on carbon nano-tube transistor technology This project and other circuits in this study were in different voltages and frequencies with HSPICE software .The results of show that the speed and efficiency of this circuit is obviously better than other circuits like: CMOS and CNFET. Also, this full adder that we present, make great ability to on outlet and it works properly in low voltages.
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