Delay Analysis of the Distributed RC Line
- 1 December 1995
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the 39th conference on Design automation - DAC '02
- No. 0738100X,p. 370-375
- https://doi.org/10.1109/dac.1995.249975
Abstract
This paper reviews the step-response of the semi-infinite distributed RC line and focuses mainly on the step-response of a finite-length RC line with a capacitive load termination, which is the most common model for a wire inside the present day integrated CMOS chips. In particular, we obtain the values of some of the common threshold-crossing times at the output of such a line and show that even the simplest first order lumped II-approximation to the finite-length RC line terminated with a capacitive load is good enough for obtaining the 50% and 63.2% threshold-crossing times of the step-response. Higher order lumped approximations are necessary for more accurate predictions of the 10% and 90% threshold-crossing times.Keywords
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