低消費電力化単一磁束量子マイクロプロセッサにおけるデータパスの設計と評価

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  • テイショウヒ デンリョクカ タンイツジソク リョウシ マイクロプロセッサ ニ オケル データパス ノ セッケイ ト ヒョウカ
  • Design and Evaluation of Data-Path for Low-Power Single-Flux-Quantum Microprocessors

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Abstract

We have designed data-path prototypes using the single-flux-quantum (SFQ) circuits fabricated with the AIST 10 kA/cm^2 Nb advanced process (ADP) for microprocessors. The microprocessor using SFQ circuits are promising for realization of low-power consumption, high-performance high-end computers. The designed data-paths are composed of 2 registers placed in parallel and an arithmetic logic unit (ALU). The outputs of the registers are connected to the inputs of the ALU via a switch circuit, and the output of the ALU is connected to one of the inputs of the registers via another switch circuit. In this study, we have designed the data-paths based on the cell-based design technique, using the conventional cell library and low-power cell library with 1/10 power consumption, and confirmed the partial operations.

IEICE Technical Report;SCE2013-11

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