A high-speed low-power tri-state driver flip flop for ultra-low supply voltage GaAs heterojunction FET LSI's. - Tadashi Maeda; Keiichi Numata; Masatoshi Tokushima; Masaoki Ishikawa; Muneo Fukaishi; Hikam Hida; Yasuo Ohno (IEEE J. Solid State Circuits, 1996)