Crosstalk bounded uncorrelated jitter (BUJ) for high-speed interconnects

TitleCrosstalk bounded uncorrelated jitter (BUJ) for high-speed interconnects
Publication TypeJournal Article
Year of Publication2005
AuthorsKuo, A., R. Rosales, T. Farahmand, S. Tabatabaei, and A. Ivanov
JournalInstrumentation and Measurement, IEEE Transactions on
Volume54
Pagination1800 - 1810
Date Publishedoct.
ISSN0018-9456
Keywords10 to 20 s, bounded uncorrelated jitter, BUJ, crosstalk, crosstalk coupling, deterministic jitter, distorted edge crossing, distortion-free crossing, high-speed interconnects, histogram distribution, integrated circuit interconnections, jitter, jitter measurement method, mathematical model, PCB, printed circuit board, printed circuits, superposition principle
Abstract

Bounded uncorrelated jitter (BUJ), a subcomponent of total jitter, is commonly caused by crosstalk coupling from adjacent interconnects on printed circuit boards (PCB). However, the characteristics of BUJ are still not well understood. Neither a mathematical model of jitter, nor an algorithm to generate histograms for BUJ has been developed to this date. Such a model and algorithm would empower designers to predict BUJ to achieve total jitter budget without lengthy simulations and measurements. In this paper, we first review the characteristics of a crosstalk pulse induced by an aggressor signal on a quiet trace. Then, by applying the superposition principle, a jitter model to calculate the time difference between the distortion-free and the distorted edge crossings of the victim signal was developed. This model is also extended to calculate the worst case timing difference, BUJp-p. In addition, an algorithm to generate the histogram distribution of BUJ is also developed. The developed algorithm has fast execution times of 10-20 s, compared to simulation and measurement times of 10-30 min.

URLhttp://dx.doi.org/10.1109/TIM.2005.855101
DOI10.1109/TIM.2005.855101

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