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Partial Bus-Invert Coding for Power Optimization of Application-Specific Systems

Cited 46 time in Web of Science Cited 66 time in Scopus
Authors
Shin, Young Soo; Choi, Kiyoung; Chae, Soo-Ik
Issue Date
2001
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
IEEE Trans. VLSI Syst., vol. 9, pp.377-383
Keywords
Digital complementary metal–oxide–semiconductorlow-power dissipationmemoryswitching activitysystem leveltradeoffs
Abstract
This paper presents two bus coding schemes for power optimization
of application-specific systems: Partial Bus-Invert coding and its
extension to Multiway Partial Bus-Invert coding. In the first scheme, only
a selected subgroup of bus lines is encoded to avoid unnecessary inversion
of relatively inactive and/or uncorrelated bus lines which are not included
in the subgroup. In the extended scheme, we partition a bus into multiple
subbuses by clustering highly correlated bus lines and then encode each
subbus independently. We describe a heuristic algorithm of partitioning a
bus into subbuses for each encoding scheme. Experimental results for various
examples indicate that both encoding schemes are highly efficient for
application-specific systems.
ISSN
1063-8210
Language
English
URI
http://hdl.handle.net/10371/21259
DOI
https://doi.org/10.1109/92.924059
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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