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Paper Abstract and Keywords
Presentation 2015-03-03 09:40
Methodology for Reduction of Timing Margin by Considering Correlation between Process Variation and BTI
Michitarou Yabuuchi, Kazutoshi Kobayashi (Kyoto Inst. of Tech.) VLD2014-163
Abstract (in Japanese) (See Japanese page) 
(in English) We analyze the efficiency of the design methodology by using circuit
simulations. The design methodology which considers the correlation
between process variations and BTI (Bias Temperature
Instability)-induced degradations reduces timing
margins of circuits without threatening their reliability. Because the
reliability issues become significant problems in the heavily scaled
process, circuit designers should consider them. The reliable design
methodology for high performance circuits is required. There is the
correlation between process variations and BTI-induced degradations. The
degradation rates of MOSFETs which have low initial threshold voltages
are lower than the other variation conditions. We propose the design
methodology which considering the correlation and analyze its efficiency
for circuit designs. We confirm the timing margins are reduced by 10%
with our methodology.
Keyword (in Japanese) (See Japanese page) 
(in English) BTI / process variation / reliability / degradation prediction / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 476, VLD2014-163, pp. 61-66, March 2015.
Paper # VLD2014-163 
Date of Issue 2015-02-23 (VLD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 VLD  
Conference Date 2015-03-02 - 2015-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Seinen Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To VLD 
Conference Code 2015-03-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Methodology for Reduction of Timing Margin by Considering Correlation between Process Variation and BTI 
Sub Title (in English)  
Keyword(1) BTI  
Keyword(2) process variation  
Keyword(3) reliability  
Keyword(4) degradation prediction  
1st Author's Name Michitarou Yabuuchi  
1st Author's Affiliation Kyoto Institute of Technology (Kyoto Inst. of Tech.)
2nd Author's Name Kazutoshi Kobayashi  
2nd Author's Affiliation Kyoto Institute of Technology (Kyoto Inst. of Tech.)
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Speaker Author-1 
Date Time 2015-03-03 09:40:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2014-163 
Volume (vol) vol.114 
Number (no) no.476 
Page pp.61-66 
Date of Issue 2015-02-23 (VLD) 

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