Design methodology of ultra low-power MPEG4 codec core exploiting voltage scaling techniques

This paper describes a fully automated lowpower design methodology in which three different voltage-scaling techniques are combined together. Supply voltage is scaled globally, selectively, and adaptively while keeping the performance. This methodology enabled us to design an MPEG4 codec core with 58 % less power than the original in three week turn-around-time. 1.1 Keywords Low power, voltage scaling, design automation, synthesis