A low-power design method using multiple supply voltages. - Mutsunori Igarashi; Kimiyoshi Usami; Kazutaka Nogami; Fumihiro Minami; Yukio Kawasaki; Takahiro Aoki; Midori Takano; Chiharo Mizuno; Takashi Ishikawa; Masahiro Kanazawa; Shinji Sonoda; Makoto Ichida; et al. (ISLPED, 1997)