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A parasitic-aware routing optimization and analysis methodology for integrated circuits is developed based on an incremental parasitic extraction and a fast optimization methodology. Existing routing optimization methodologies rely on many circuit simulations, detailed sensitivity analysis, and inefficient simple parasitic models to optimize routes...
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... VII provides the conclusion and future works. Moreover, Table 1 shows a list of abbreviations and symbols that are commonly used in this work. ...Context 2
... Type Small Medium Large Capacitive elements 1075 2037 3524 Metal layers 2 3 4 Max error of the proposed method 0.14% 0.25% 0.5% Incremental extraction runtime in seconds (secs) ...Context 3
... the responses at the output terminals (i.e., t1 and t2) of Route7 were also matched. Tables 9, 10, and 11 show the layouts simulated performance results over the three different specifications in the case of: 1) removing interconnect (i.e., routes) parasitic elements, 2) using traditional template-based optimization method, 3) using the proposed optimization method with a cost function of three moments, and 4) using the proposed optimization method with a cost function of five moments. The simulated results show that the proposed optimization method (using five moments) managed to achieve better results that meet the required specifications as compared to the traditional template-based method with minimal impact on the area. ...Context 4
... first one considered cost functions with three circuit moments, whereas the second one considered cost functions with five circuit moments. Table 12 shows the simulated performance results of the VCO designs in the case of 1) removing interconnect (i.e., routes) parasitic elements, 2) using traditional templatebased optimization method, 3) using the proposed optimization method with a cost function of three moments, and 4) using the proposed optimization method with a cost function of five moments. The simulated results show that the proposed routing optimization algorithm, using cost functions with five moments, managed to optimize the center frequency and the phase noise by percentages of 1.96%, 1.23%, and 7.1%, respectively, as compared to traditional template-based methods. ...