In recent years, the ICT market has quickly moved toward the integration of a large variety of functions into a single portable electronic equipment. The boundaries among different devices like music players, digital cameras or mobile phones are going to vanish. In this trend, one of the key factors is played by data storage, since all these devices require a large amount of memory to store either audio or visual data. Also, the energy consumption needs to be reduced to further extend battery duration and the functionality of the devices