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Paper Abstract and Keywords
Presentation 2017-02-21 14:00
Impact of Operational Unit Binding on Aging-induced Degradation in High-level Synthesis for Asynchronous Systems
Tsuyoshi Iwagaki, Kohta Itani, Hideyuki Ichihara, Tomoo Inoue (Hiroshima City Univ.) DC2016-78
Abstract (in Japanese) (See Japanese page) 
(in English) This paper discusses delay-robustness of a four-phase dual-rail asynchronous system at register transfer level (RTL). A type of RTL delay faults, which can be caused by the stress during operations in the field and correspond to aging-induced degradation, is introduced to analyze delay-robustness of such a system. Since data transfer between registers is realized by the interaction between the controller and datapath of an asynchronous system, i.e., by handshaking, the effect of any delay fault never causes system failure but can lead to performance degradation of the system. In this paper, it is pointed out that operational unit binding in high-level synthesis for asynchronous systems affects their delay-robustness in terms of performance degradation through several design examples. The future direction of operational unit binding is also discussed to obtain asynchronous systems with high delay-robustness.
Keyword (in Japanese) (See Japanese page) 
(in English) Four-phase dual-rail asynchronous system / Aging-induced degradation / RTL delay fault / Delay-robustness / Op- erational unit binding / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 466, DC2016-78, pp. 23-28, Feb. 2017.
Paper # DC2016-78 
Date of Issue 2017-02-14 (DC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee DC  
Conference Date 2017-02-21 - 2017-02-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) VLSI Design and Test, etc 
Paper Information
Registration To DC 
Conference Code 2017-02-DC 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Impact of Operational Unit Binding on Aging-induced Degradation in High-level Synthesis for Asynchronous Systems 
Sub Title (in English)  
Keyword(1) Four-phase dual-rail asynchronous system  
Keyword(2) Aging-induced degradation  
Keyword(3) RTL delay fault  
Keyword(4) Delay-robustness  
Keyword(5) Op- erational unit binding  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tsuyoshi Iwagaki  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Kohta Itani  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Hideyuki Ichihara  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
4th Author's Name Tomoo Inoue  
4th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Speaker Author-1 
Date Time 2017-02-21 14:00:00 
Presentation Time 25 minutes 
Registration for DC 
Paper # DC2016-78 
Volume (vol) vol.116 
Number (no) no.466 
Page pp.23-28 
#Pages
Date of Issue 2017-02-14 (DC) 


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