| Reducing bus delay in submicron technology using coding |
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Asia and South Pacific Design Automation Conference
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Proceedings of the 2001 Asia and South Pacific Design Automation Conference
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Yokohama, Japan
Pages: 109 - 114
Year of Publication: 2001
ISBN:0-7803-6634-4
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Downloads (6 Weeks): 1, Downloads (12 Months): 10, Citation Count: 15
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ABSTRACT
In this paper we study the delay associated with transmission of data through busses. Previous work in this area has presented models for delay assuming a distributed model or a lumped capacitive coupling between wires. In this paper we extend the Elmore delay to account for a distributed model with distributed coupling component and an arbitrary number of lines driven by independent sources. The effect of data patterns is taken into account allowing us to estimate the delay on a sample by sample basis instead of making a worst case assumption. Using this detailed wire delay model, we propose a technique to speed up the communication through a data bus using coding. The idea is to encode the data being transmitted through the bus with the goal of eliminating certain types of transitions that require a large delay. We show that by using proper encoding techniques, the bus can be sped up by a factor of 2.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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T. Sakurai, S. Kobayashi and M. Noda, "Simple Expressions for Interconnection Delay", IEEE International Symposium on Circuits and Systems, 1991.
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W. Elmore, "The transient Response of Damped Linear Network with Particular Regard to Wide-band Amplifier", Journal of Applied Physics, Vol. 19, pp. 55-63, 1948
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G. Efthivoulidis, personal communication.
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