Isolation Effects in Single- and Dual-Plane VLSI Interconnects

Lawrence Carin, Kevin J. Webb

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The issue of interline coupling in high-speed VLSI interconnects is addressed. A full-wave-based technique is used to numerically solve for the modes and hence the line voltages and currents for multiconductor microstrip. The accuracy of these results is compared with time-domain experimental data. Isolation lines placed between signal lines and grounded at both ends are considered as a means of significantly reducing crosstalk. It is shown that the performance of such lines depends on several factors such as relative mode velocities, signal rise and fall times, and line length. These points are illuminated by considering the effects of isolation lines in two geometries of interest in high-speed integrated circuits. On the basis of these results one can determine the usefulness of isolation lines for a given geometry. © 1990 IEEE
Original languageEnglish (US)
Pages (from-to)396-404
Number of pages9
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number4
StatePublished - Jan 1 1990
Externally publishedYes

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