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In this architecture, a large number of SFQ floating-point units (FPUs) are used as core components, and their high performance and low power consumption are essential. In this research, we implemented an SFQ half-precision bit-serial floating-point multiplier (FPM) with a target clock frequency of 50GHz, using the AIST 10kA/cm<sup>2</sup> Nb process. The FPM was designed, based on a systolic-array architecture. It contains 11,066 Josephson junctions, including on-chip high-speed test circuits. The size and power consumption of the FPM are 6.66mm × 1.92mm and 2.83mW, respectively. Its correct operation was confirmed at a maximum frequency of 93.4GHz for the exponent part and of 72.0GHz for the significand part by on-chip high-speed tests."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001204377574016","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000243892801"}],"foaf:name":[{"@language":"en","@value":"PENG Xizhu"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Electrical and Computer Engineering, Yokohama National 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