A 1.5-ns 256-kb BiCMOS SRAM with 60-ps 11-K logic gates. - Nobuo Tamba; Akio Anzai; Kazuhiro Akimoto; Masayuki Ohayashi; Toshiro Hiramoto; Tadanori Kokubu; Sohei Ohmori; Tetsuya Muraya; Atsuyuki Kishimoto; Sousuke Tsuji; Hideki Hayashi; Nadateru Handa; et al. (IEEE J. Solid State Circuits, 1994)