Module‐based design method using clocking scheme for quantum‐dot cellular automata

Abstract

Quantum-dot cellular automata (QCA) is a field-coupled nanotechnology with unique computing paradigms to be one of the strong alternatives to replace the traditional complementary metal oxide semiconductor (CMOS) in the future in theory. With the development of its fabrication technique and increasing circuit scale, the modular design method of QCA circuits is promoted, which consists at least of two connotations: designing appropriate modules for circuits and allocating applicable clock to circuits. In this paper, a module-based design method using a clocking scheme (MCS) in QCA is proposed, which can be categorized into the modular design methodology. A complete module