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Paper Abstract and Keywords
Presentation 2011-11-30 11:20
Power-Gating Circuit Scheme for Transient-Glitch Energy Reduction
Yuya Ohta, Masaru Kudo, Kimiyoshi Usami (Shibaura Institute of Tech.) VLD2011-90 DC2011-66
Abstract (in Japanese) (See Japanese page) 
(in English) In fine-grain power gating which performs cell-by-cell power gating (PG) , energy overhead consumed at sleep-in and sleep-out becomes a problem. It has been reported that energy consumption due to transient-glitch which occurs at the sleep-out occupies the large share in the whole energy dissipation. This paper proposes a novel PG circuit scheme to reduce transient-glitch energy.
Reduction of transient-glitch energy leads to shortening the Break Even Cycle (BEC) which is the minimum idle cycles required to get energy saving in fine-grain PG. We evaluated BEC by applying the proposed scheme.
Circuit simulations were performed using the cell library of the e-Shuttle 65nm process technology.
Results have demonstrated the BEC is reduced by 31% in ALU and by 39% in Multiplier at 25 degrees C by applying our scheme. Reduction in BEC gives the benefit that energy reduction can be obtained at shorter idle cycles.
Keyword (in Japanese) (See Japanese page) 
(in English) Fine Grain Power Gating / Transient Glitch / Circuit Scheme / MTCMOS Circuits / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 324, VLD2011-90, pp. 221-226, Nov. 2011.
Paper # VLD2011-90 
Date of Issue 2011-11-21 (VLD, DC) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF VLD2011-90 DC2011-66

Conference Information
Conference Date 2011-11-28 - 2011-11-30 
Place (in Japanese) (See Japanese page) 
Place (in English) NewWelCity Miyazaki 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Gaia 2010 -New Field of VLSI Design- 
Paper Information
Registration To VLD 
Conference Code 2011-11-VLD-DC-SLDM-CPSY-RECONF-ICD-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Power-Gating Circuit Scheme for Transient-Glitch Energy Reduction 
Sub Title (in English)  
Keyword(1) Fine Grain Power Gating  
Keyword(2) Transient Glitch  
Keyword(3) Circuit Scheme  
Keyword(4) MTCMOS Circuits  
1st Author's Name Yuya Ohta  
1st Author's Affiliation Shibaura Institute of Technology (Shibaura Institute of Tech.)
2nd Author's Name Masaru Kudo  
2nd Author's Affiliation Shibaura Institute of Technology (Shibaura Institute of Tech.)
3rd Author's Name Kimiyoshi Usami  
3rd Author's Affiliation Shibaura Institute of Technology (Shibaura Institute of Tech.)
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Date Time 2011-11-30 11:20:00 
Presentation Time 25 
Registration for VLD 
Paper # IEICE-VLD2011-90,IEICE-DC2011-66 
Volume (vol) IEICE-111 
Number (no) no.324(VLD), no.325(DC) 
Page pp.221-226 
#Pages IEICE-6 
Date of Issue IEICE-VLD-2011-11-21,IEICE-DC-2011-11-21 

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