NDLI: Closed-form solution for timing analysis of process variations on SWCNT interconnect

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Closed-form solution for timing analysis of process variations on SWCNT interconnect

Content Provider	ACM Digital Library
Author	Sun, Peng Luo, Rong
Abstract	In this paper, a comprehensive and fast method is presented for the timing analysis of process variations on single-walled carbon nanotube (SWCNT) bundles. Unlike previous works that based on SPICE tools to estimate the delay, this paper proposes a closed-form solution for SWCNT interconnect timing analysis. With the assumption that the process variations are independent random variables, the delay of SWCNT bundles are mapped to a linear function of the variation variables, and efficiently calculated in the form of probability density functions (PDFs). Compared to SPICE-based solutions, this approach not only saves considerable computation time, but also provides a more comprehensive result, for it shows a compound impact of all variations, and covers all of the potential cases with their corresponding probabilities, rather than only one parameter can vary at a time, and only a worst case estimation is considered. The experiment results show that this solution bears little loss while providing the above mentioned advantages. Compared with SPICE-based Monte Carlo simulations, the experiments report the error in mean and standard deviation of delay to be 1.5% and 1.7% respectively.
Starting Page	19
Ending Page	26
Page Count	8
File Format	PDF
ISBN	9781605585765
DOI	10.1145/1572471.1572476
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-07-26
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Carbon nanotube Interconnect Closed-form Process variation Timing analysis
Content Type	Text
Resource Type	Article

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