3.3-V BiCMOS circuit techniques for 250-MHz RISC arithmetic modules. - Kazuo Yano; Mitsuru Hiraki; Shoji Shukuri; M. Hanawa; Masato Suzuki; S. Morita; A. Kawamata; Nagatoshi Ohki; Takashi Nishida; Koichi Seki (IEEE J. Solid State Circuits, 1992)