Study and analysis of 3-input logic gates by using quantum dot cellular automata

Abstract

Quantum dot cellular automata (QCA) is growing technology with Nano range scale in that, QCA is extremely computational and exceptionally productive than CMOS technology. QCA the parameters like area and usage of power are very less when compared to CMOS technology. In the comparative analysis of QCA and CMOS technologies, the number of quantum cells used and the number of transistors taken place to design 3 input logic gates. In this paper, it explains about the comparison between CMOS and QCA technologies for 3 input basic logic gates like AND, OR, NOT, NAND, NOR,XOR and XNOR by utilizing the ultra -low power and the area, time taken to outline the circuit with quantum dot cells in QCA technology. From the results, area utilized to design logic gates using by QCA technology as compared to CMOS technology is reduced up to 5%.