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Paper Abstract and Keywords
Presentation 2017-08-09 13:20
Evaluation of a random access memory cell composed of quantum flux parametron
Hiroshi Takayama, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama National Univ.) SCE2017-14
Abstract (in Japanese) (See Japanese page) 
(in English) Adiabatic quantum-flux-parametron (AQFP) logic has a potential to become a basic technology to realize an ultra-low-power computing system. In this study, we have proposed a random access memory cell composed of quantum-flux-parametron (QFP) circuits to realize a large-scale memory system for AQFP. The memory cell in our previous study needs five control current lines for writing and reading. Such large number of control lines is a problem for memory cells of high-density memories. This time, we have proposed a new random access memory cell, which has three control currents lines for writing and reading. The number of control lines has been decreased by reading memory cells in the same row at the same time and by using a common word line for both writing and reading. Furthermore, we have optimized the control method of the memory cell to increase the bias margins.
Keyword (in Japanese) (See Japanese page) 
(in English) QFP / AQFP / memory cell / Josephson integrated circuits / superconducting integrated circuits / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 171, SCE2017-14, pp. 19-23, Aug. 2017.
Paper # SCE2017-14 
Date of Issue 2017-08-02 (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 SCE2017-14

Conference Information
Committee SCE  
Conference Date 2017-08-09 - 2017-08-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ. (Higashiyama Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal processing technologies and their applications, etc. 
Paper Information
Registration To SCE 
Conference Code 2017-08-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of a random access memory cell composed of quantum flux parametron 
Sub Title (in English)  
Keyword(1) QFP  
Keyword(2) AQFP  
Keyword(3) memory cell  
Keyword(4) Josephson integrated circuits  
Keyword(5) superconducting integrated circuits  
Keyword(6)  
Keyword(7)  
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1st Author's Name Hiroshi Takayama  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Naoki Takeuchi  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Yuki Yamanashi  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
4th Author's Name Nobuyuki Yoshikawa  
4th Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2017-08-09 13:20:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2017-14 
Volume (vol) vol.117 
Number (no) no.171 
Page pp.19-23 
#Pages 5 
Date of Issue 2017-08-02 (SCE) 

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