Ultra low power electronics and design offers to the reader the unique opportunity of accessing in an easy and integrated fashion a mix of tutorial material and advanced research results contributed by leading scientists from academia and industry covering the most hot and up to date issues in the field of the design of ultra low power devices systems and applications. Ultra low power electronics and design edited by enrico macii politecnico di torino italy kluwer academic publishers new york boston dordrecht london moscow. Ultra low power electronics and design offers to the reader the unique opportunity of accessing in an easy and integrated fashion a mix of tutorial material and advanced research results contributed by leading scientists from academia and industry covering the most hot and up to date issues in the field of the design of ultra low power devices systems and applications. Of ultra low power electronics and design chapter 1 opens the volume by providing an insight to innovative transistor devices that are capable of operating with a very low threshold voltage thus contributing to a significant reduction of the dynamic component of power consumption solutions for