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Adiabatic switching

Diego Mateo
Diego Mateo, Antonio Rubio
Low power digital design has became nowadays an investigation area of great interest, basically because of the high demand of portable electronic equipments, and also because of the difficulties removing heat from high complexity IC. Adiabatic switching has emerged as a promising technique of low power digital design. It is based on two principles: avoiding sharp switchings to minimized the switching energy, and recovering of the stored charge/energy from the capacitive internal nodes to its later reuse. Based on this technique different adiabatic (or energy recovery) logics have been developed in the last years. One of them is the Quasi-Adiabatic Ternary Logic, developed in our group, which as well as using adiabatic switching technique, it also uses ternary quantification in order to minimize the increase of area that adiabatic logics use to have.