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| Presentation | 2019-10-10 10:50 Study of method to evaluate energy dissipation of arbitrary adiabatic quantum-flux-parametron logic gates Taiki Yamae, Naoki Takeuchi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.)  SCE2019-28 Link to ES Tech. Rep. Archives: SCE2019-28 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic. It operates with zero static power dissipation and very low dynamic power dissipation owing to adiabatic switching. In previous numerical studies, we have evaluated the energy dissipation of basic AQFP logic gates and demonstrated sub-kBT switching energy, where kB is Boltzmann’s constant and T is the temperature, by integrating the product of the excitation current and voltage associated with the gates over time. However, this method is not applicable to complex logic gates, especially those in which the number of inputs is different from the number of outputs. In the present study, we establish a systematic method to evaluate the energy dissipation of general AQFP logic gates. In the proposed method, the energy dissipation is calculated by subtracting the energy dissipation of the peripheral circuits from that of the entire circuit. In this way, the energy change due to the interaction between gates, which makes it difficult to evaluate the energy dissipation, can be deducted. We evaluate the energy dissipation of a MAJ gate using this method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | superconducting integrated circuit / adiabatic quantum-flux-parametron (AQFP) / energy dissipation / adiabatic logic circuit / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 219, SCE2019-28, pp. 31-36, Oct. 2019. | |
| Paper # | SCE2019-28 | |
| Date of Issue | 2019-10-02 (SCE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SCE2019-28 Link to ES Tech. Rep. Archives: SCE2019-28 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2019-10-09 - 2019-10-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2019-10-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of method to evaluate energy dissipation of arbitrary adiabatic quantum-flux-parametron logic gates |
| Sub Title (in English) | |
| Keyword(1) | superconducting integrated circuit |
| Keyword(2) | adiabatic quantum-flux-parametron (AQFP) |
| Keyword(3) | energy dissipation |
| Keyword(4) | adiabatic logic circuit |
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| 1st Author's Name | Taiki Yamae |
| 1st Author's Affiliation | Yokohama National University (Yokohama Natl. Univ.) |
| 2nd Author's Name | Naoki Takeuchi |
| 2nd Author's Affiliation | Yokohama National University (Yokohama Natl. Univ.) |
| 3rd Author's Name | Nobuyuki Yoshikawa |
| 3rd Author's Affiliation | Yokohama National University (Yokohama Natl. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-10 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2019-28 |
| Volume (vol) | vol.119 |
| Number (no) | no.219 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2019-10-02 (SCE) |
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