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Wave propagation based analytical delay and cross talk noise model for distributed on-chip RLCG interconnects

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4 Author(s)
Choudhary, A. ; Dept. of Electron. & Commun. Eng., Nat. Inst. of Technol., Durgapur, India ; Maheshwari, V. ; Singh, A. ; Kar, R.

This paper proposes a wave propagation based approach to derive crosstalk and delay between two coupled RLCG interconnects in the transform domain. The increase of clock frequency into the GHz range, coupled with longer length interconnects of small cross-section and low dielectric strength, can result in cross coupling effects between on-chip interconnects. The traditional analysis of crosstalk in a transmission line begins with a lossless LC representation, yielding a wave equation governing the system response. In order to determine the effects that this cross talk will have on circuit operation, the resulting delays and logic levels for the victim nets must be computed. In this paper, we propose four reflection wave propagation based analytical model for estimation of crosstalk. An emphasis was made on the distributed nature of the RLCG model, thus underlining the effect of parasitic coupling inductance and conductance on present and future on-chip interconnects.

Published in:

Semiconductor Electronics (ICSE), 2010 IEEE International Conference on

Date of Conference:

28-30 June 2010