Abstract
In this paper, new structures for digital code converter circuits in quantum dot cellular automata (QCA) technology are presented. The basic structure of most of these circuits is the XOR gate, which is widely used in digital design. Therefore, in the proposed, the XOR gate will be presented which will be better than previous circuits in terms of cell number and delay. Then, using the proposed circuits for the XOR gate, new circuits for generating parity bit, Binary to Gray, Gray to binary and BCD to gray code converter are introduced. Proposal designs have an efficient implementation in terms of complexity. The proposed structures are simulated using the QCAdesigner tool to evaluate the correct performance. The proposed final circuit as a digital code converter has improved by 37% in terms of cell consumption and 25% in speed.
Highlights
quantum dot cellular automata (QCA) is a new nano-technology for the implementation of logic circuits first introduced by Lent and Tougaw [1]
Circuits made under CMOS technology have a very significant difference in area and power consumption compared to circuits under QCA technology [3]
To convert different codes such as Decimal, Octal, Hexadecimal, Binary, etc., most of the circuits are designed and manufactured under CMOS technology but have high area occupancy, low switching speed compared to QCA technology and high power consumption are some of the factors that have led scientists to adopt the emerging QCA technology [5]
Summary
QCA is a new nano-technology for the implementation of logic circuits first introduced by Lent and Tougaw [1]. To convert different codes such as Decimal, Octal, Hexadecimal, Binary, etc., most of the circuits are designed and manufactured under CMOS technology but have high area occupancy (low integration capability), low switching speed compared to QCA technology and high power consumption are some of the factors that have led scientists to adopt the emerging QCA technology [5]. QCA technology was used to improve the structure of digital codes converter in terms of occupied area, number of cells, and latency. Have been a major component of digital electronic equipment, especially digital computers, which have many applications For this reason, making stable and fast code converters, with smaller dimensions and less power consumption than in the past, can greatly improve the performance of digital circuits and computers.
Sign-in/Register to view highlights & summary 
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call