Qantum-dot Cellular Automata RAM design using Crossbar Architecture

In this paper, a new approach of RAM circuits, using Quantum-dot Cellular Automata (QCA), based on programmable crossbar architecture, is presented. In addition, a methodology for 2n bits RAMs is presented. Using the aforementioned methodology any designer can design a RAM regardless of its size. The proposed designs utilize the benefits of QCA programmable crossbar architecture. Namely, the RAM circuit is characterized by regularity and the ability of customization. The features that the proposed RAM design methodology has, allow the designers to use the available circuit area efficiently.