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An adiabatic superconductor 8-bit adder with 24kBT energy dissipation per junction
http://hdl.handle.net/10131/00012573
http://hdl.handle.net/10131/00012573fc31af94-f4bc-4ea8-b589-9669c9dcf8e3
名前 / ファイル | ライセンス | アクション |
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_pdf_archive_APPLAB_vol_114_iss_4_042602_1_am.pdf (2.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-06-04 | |||||
タイトル | ||||||
タイトル | An adiabatic superconductor 8-bit adder with 24kBT energy dissipation per junction | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Takeuchi, Naoki
× Takeuchi, Naoki× Yamae, Taiki× Ayala, Christopher L.× Suzuki, Hideo× Yoshikawa, Nobuyuki |
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著者所属 | ||||||
Institute of Advanced Sciences, Yokohama National University / PRESTO, Japan Science and Technology Agency | ||||||
著者所属 | ||||||
Department of Electrical and Computer Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Institute of Advanced Sciences, Yokohama National University | ||||||
著者所属 | ||||||
Institute of Advanced Sciences, Yokohama National University | ||||||
著者所属 | ||||||
Institute of Advanced Sciences, Yokohama National University / Department of Electrical and Computer Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic family. In this paper, we conducted the high-frequency operation and energy measurement of an AQFP circuit with more than 1000 Josephson junctions in the experiment. We designed an 8-bit carry look-ahead adder (CLA) using AQFP gates and fabricated it using an advanced fabrication technology, the AIST 10 kA/cm^2 Nb high-speed standard process. The correct operation of the 8-bit CLA was demonstrated at a 1-GHz clock frequency for a critical carry propagation test vector. The energy dissipation of the 8-bit CLA was measured by observing the power of excitation current. Our results showed that the energy dissipation per operation of the 8-bit CLA can be estimated to be approximately 1.5 aJ, or 24kBT per junction, where kB is the Boltzmann constant and T is the operating temperature. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in (Naoki Takeuchi et al 2019 App. Phy. Let. 114 042602) and may be found at [https://doi.org/10.1063/1.5080753]. | |||||
書誌情報 |
Applied physics letters 巻 114, 号 4, p. 042602, 発行日 2019-01-29 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10773118 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11868096 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5080753 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | AIP Publishing |