AQUAIA: a CAD tool for on-chip interconnect modeling, analysis, and optimization
2002
The development of CAD tools for the modeling, analysis, and optimization of on-chip interconnect structures presents many challenges not found in the context of electronic package design and analysis. In this paper, we summarize these challenges and report on a new tool called AQUAIA that addresses them based on the physics of electrical parameter modeling of on-chip interconnects. Specifically, we show how the complexities of on-chip interconnect modeling and analysis can be contained using predefined, representative, three-dimensional signal and power interconnect templates fully compatible with the metal/dielectric back-end-of-the-line (BEOL) stack. These templates enable the fast modeling and simulation of delay, rise/fall time, and crosstalk of signal nets that fully account for the emerging problems of on-chip wiring, including inductive effects and broadband frequency dependence. We also give examples of how to use AQUAIA for interconnect design verification, wiring rule generation, and BEOL process integration.
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