Delay extraction based closed-form SPICE compatible passive macromodels for distributed transmission line interconnects

Authors:
Natalie Nakhla;Ram Achar;Michel Nakhla;Anestis Dounavis
Affiliations:
Carleton University, Ottawa, Ontario, Canada;Carleton University, Ottawa, Ontario, Canada;Carleton University, Ottawa, Ontario, Canada;University of Western Ontario, London, Ontario, Canada
Venue:
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
Year:
2005

Citing 3
Cited 0

Analysis of Multiconductor Transmission Lines

Analysis of Multiconductor Transmission Lines
Computer Methods for Circuit Analysis and Design

Computer Methods for Circuit Analysis and Design
PRIMA: passive reduced-order interconnect macromodeling algorithm

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems

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Abstract

Time-domain macromodeling of high speed interconnects characterized by distributed transmission lines has generated immense interest during the recent years. It has been demonstrated that, preserving passivity of the macromodel is essential to guarantee a stable global transient simulation. In this paper, a SPICE compatible closed-form passive macromodel for distributed transmission lines is presented. The proposed method enables representation of the distributed stamp in terms of simple delay and resistive elements. The new method while guaranteeing the passivity of the macromodel, provides significant speedup, and enables easy implementation. Necessary formulation and validation examples are given.