A 5-ns 1-Mb ECL BiCMOS SRAM. - Masahide Takada; Kazuyuki Nakamura; Toshio Takeshima; Koichiro Furuta; Tohru Yamazaki; Kiyotaka Imai; Susumu Ohi; Yumi Sekine; Yukio Minato; Hisamitsu Kimuto (IEEE J. Solid State Circuits, 1990)