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Paper Abstract and Keywords
Presentation 2022-08-09 09:35
Design of Energy-Efficient Adiabatic Quantum-Flux-Parametron Multiplier Families
Shohei Takagi, Tomoyuki Tanaka (YNU), Christopher Ayala, Nobuyuki Yoshikawa (IAS,YNU) SCE2022-1
Abstract (in Japanese) (See Japanese page) 
(in English) Adiabatic Quantum Flux Parametron (AQFP) circuits are characterized by a power dissipation of 5 to 6 orders less than CMOS circuits and operation at 5 to 10 GHz. However, the AQFP circuit is a new superconductor logic family, and a full-featured arithmetic circuit has not been fully studied. Since multipliers play an important role in digital signal processing, image processing, and scientific calculations, we investigated the design of multipliers based on various calculation algorithms using AQFP logic. In this study, we designed five types of multipliers (array, Wallace tree, Dadda, Booth, Modified Booth) and compared their performance and circuit dimensions at 4 to 16 bits. The performance was evaluated in terms of the phase number. The 4-bit scale comparison showed that the Wallace tree multiplier was the best in terms of both performance and circuit dimensions, while the Dadda and Modified Booth multipliers were the best in the 8-bit scale and the 16-bit scales, respectively.
Keyword (in Japanese) (See Japanese page) 
(in English) Superconducting integrated circuit / Adiabatic Quantum Flux Parametron (AQFP) circuits / multiplier / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 150, SCE2022-1, pp. 1-5, Aug. 2022.
Paper # SCE2022-1 
Date of Issue 2022-08-02 (SCE) 
ISSN 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)
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Conference Information
Committee SCE  
Conference Date 2022-08-09 - 2022-08-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SCE 
Conference Code 2022-08-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Energy-Efficient Adiabatic Quantum-Flux-Parametron Multiplier Families 
Sub Title (in English)  
Keyword(1) Superconducting integrated circuit  
Keyword(2) Adiabatic Quantum Flux Parametron (AQFP) circuits  
Keyword(3) multiplier  
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1st Author's Name Shohei Takagi  
1st Author's Affiliation Yokohama National University (YNU)
2nd Author's Name Tomoyuki Tanaka  
2nd Author's Affiliation Yokohama National University (YNU)
3rd Author's Name Christopher Ayala  
3rd Author's Affiliation Institute of Advanced Sciences, Yokohama National University (IAS,YNU)
4th Author's Name Nobuyuki Yoshikawa  
4th Author's Affiliation Institute of Advanced Sciences, Yokohama National University (IAS,YNU)
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Speaker Author-1 
Date Time 2022-08-09 09:35:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2022-1 
Volume (vol) vol.122 
Number (no) no.150 
Page pp.1-5 
#Pages 5 
Date of Issue 2022-08-02 (SCE) 

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