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Electromagnetic modeling of simultaneous switching noise in power and ground planes in electronic packages

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2 Author(s)
Mittra, R. ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA ; Chebolu, S.

Accurate modeling of power and ground planes in electronic packages is an important problem from the point of view of extracting the equivalent effective inductance and using it to estimate the simultaneous switching noise (SSO). In this paper, we present two different approaches to calculating the effective inductance of power and ground planes. The first of these, which is based upon a quasi-magnetostatic analysis using the Method of Moments, is applied to the problem of computing the self and mutual inductances of the pins in a typical TAB package. Next, the Finite Difference Time Domain (FDTD) approach is used to model complex power plane structures with multiple planes, transmission lines and vias, and a technique for extracting the effective inductance of such structures is described. A discussion on the relative advantages and disadvantages of the two methods is included in the paper

Published in:

Electrical Performance of Electronic packaging, 1994., IEEE 3rd Topical Meeting on

Date of Conference:

2-4 Nov 1994