High-Speed Operation of 0.25-mV RSFQ Arithmetic Logic Unit Based on 10-kA/cm2 Nb Process Technology. - Masamitsu Tanaka; Atsushi Kitayama; Masakazu Okada; Tomohito Kouketsu; Takumi Takinami; Masato Ito; Akira Fujimaki (IEICE Trans. Electron., 2014)