Reversible Circuit Design in QCA Based on Double Feynman Gate

Consideration energy dissipation and data loss become important in physical realization of the circuits. These problems are solved by reversible logic which does not dissipation the energy and hence will not lose the information. In this paper, one of reversible logics, new design of Double Feynman gate is presented. The main target of proposed design is to reduce quantum cost, the extent of the circuits and the number of garbage outputs. The proposed design leads to the reduction of power consumption and standard form in realization for complex circuits compared with previous logic circuits. Double Feynman gate has the capability to decrease the power dissipation which is the main requirement in low power Very-large-scale integration design. Reversible logics are also a fundamental requirement in the emerging field of quantum computation. The circuit is successfully simulated and verified by QCA Designer tool.