A novel expression of spatial correlation by a random curved surface model and its application to LSI design

Ohkawa Shin-ichi, Hiroo Masuda, Yasuaki Inoue

    研究成果: Article

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    We have proposed a random curved surface model as a new mathematical concept which enables the expression of spatial corre-lation. The model gives us an appropriate methodology to deal with the systematic components of device variation in an LSI chip. The key idea of the model is the fitting of a polynomial to an array of Gaussian random numbers. The curved surface is expressed by a new extension from the Legendre polynomials to form two-dimensional formulas. The formulas were proven to be suitable to express the spatial correlation with reasonable computational complexity. In this paper, we show that this approach is useful in analyzing characteristics of device variation of actual chips by using experimental data.

    元の言語English
    ページ(範囲)1062-1070
    ページ数9
    ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    E91-A
    発行部数4
    DOI
    出版物ステータスPublished - 2008

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Graphics and Computer-Aided Design
    • Applied Mathematics
    • Signal Processing

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