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Paper Abstract and Keywords
Presentation 2012-05-31 10:20
A Comparator Energy Model Considering Shallow Trench Isolation by Geometric Programming
Gong Chen, Yu Zhang, Bo Yang, Qing Dong, Shigetoshi Nakatake (Kitakyushu Univ.) VLD2012-8
Abstract (in Japanese) (See Japanese page) 
(in English) In low power analog circuit designs, the current variation caused by the STI stress must be taken into
account. In this paper, we address an energy trade-off related to the STI stress in the design of a comparator
composed of the pre-amplifier and the conventional latch. The power consumption of the pre-amplifier can be
forumlated as a function of the diffusion length of MOSFETs when considering the STI stress. The longer diffusion
length tends to make the power lower. On the other hand, the power to drive the latch is associated with the
parasitic capacitance at the output of the pre-amplifier, so shorter diffusion is preferable. To cope with the tradeoff,
we provide the energy model of the comparator based on the geometric programming. In the HSPICE simulation
with the STI BSIM model, we reveal that the impact of STI stress on the energy becomes significant especially in
low power designs.
Keyword (in Japanese) (See Japanese page) 
(in English) Lower power design / Comparator / Energy model / STI / Geometric Programming / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 71, VLD2012-8, pp. 43-48, May 2012.
Paper # VLD2012-8 
Date of Issue 2012-05-23 (VLD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 IPSJ-SLDM VLD  
Conference Date 2012-05-30 - 2012-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Kitakyushu International Conference Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System Design, etc. 
Paper Information
Registration To VLD 
Conference Code 2012-05-SLDM-VLD 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Comparator Energy Model Considering Shallow Trench Isolation by Geometric Programming 
Sub Title (in English)  
Keyword(1) Lower power design  
Keyword(2) Comparator  
Keyword(3) Energy model  
Keyword(4) STI  
Keyword(5) Geometric Programming  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Gong Chen  
1st Author's Affiliation The University of Kitakyushu (Kitakyushu Univ.)
2nd Author's Name Yu Zhang  
2nd Author's Affiliation The University of Kitakyushu (Kitakyushu Univ.)
3rd Author's Name Bo Yang  
3rd Author's Affiliation The University of Kitakyushu (Kitakyushu Univ.)
4th Author's Name Qing Dong  
4th Author's Affiliation The University of Kitakyushu (Kitakyushu Univ.)
5th Author's Name Shigetoshi Nakatake  
5th Author's Affiliation The University of Kitakyushu (Kitakyushu Univ.)
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Speaker Author-1 
Date Time 2012-05-31 10:20:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2012-8 
Volume (vol) vol.112 
Number (no) no.71 
Page pp.43-48 
#Pages 6 
Date of Issue 2012-05-23 (VLD) 

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