Method and system for full-wave electromagnetic simulation of integrated circuits under lossless and dispersion-free medium
An integrated circuit, electromagnetic simulation technology, applied in design optimization/simulation, CAD circuit design, special data processing applications, etc., can solve problems such as failure, achieve the effect of avoiding errors, solving failure problems, and accurate simulation results
Active Publication Date: 2022-01-07
北京智芯仿真科技有限公司
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[0008] Based on this, in order to solve the failure problem of the existing solver for the low frequency of the integrated circuit in a lossless and non-dispersive medium, and to obtain the electromagnetic field of the integrated circuit in the full frequency band including low frequency, the application discloses the following Technical solutions
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[0076] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application.
[0077] Refer below figure 1 The embodiment of the full-wave electromagnetic simulation method for an integrated circuit under a lossless and non-dispersive medium disclosed in this application is described in detail.
[0078] Such as figure 1 As shown, the method disclosed in this embodiment includes steps 100 to 600 as follows.
[0079] Step 100, acquiring model information of VLSI and modeling the integrated circuit accordingly. Wherein, the model information includes layer information of the integrated circuit, layout information of each layer, via information and netlist information.
[0080] When performing electromagnetic simulation of VLSI, you can first read the chip design file to obtain the abov...
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This application discloses a full-wave electromagnetic simulation method and system for integrated circuits in a lossless and non-dispersive medium. First, the model information of the VLSI is obtained and the integrated circuit is modeled accordingly, and then the model obtained based on the modeling is performing grid division on the parallel plate field of the integrated circuit, and then establishing a vector finite element system equation group under a lossless and non-dispersive medium based on the grid division result, and then passing the The iterative method calculates the reference frequency of the integrated circuit and its field solution, and then for the frequency point to be sought below the reference frequency, the field solution at the frequency point to be sought is obtained based on the field solution of the reference frequency, and finally based on the field solutions of all frequency points to be sought The solution obtains the electromagnetic response of the whole frequency band. This method can calculate the failure frequency of the full-wave analysis, and calculate the reference frequency point and the field solution at the reference frequency using an iterative method based on the failure frequency, and realize the accurate solution of the field solution at the low frequency point.
Description
technical field [0001] The present application relates to the technical field of electromagnetic simulation, in particular to an integrated circuit full-wave electromagnetic simulation method and system under a lossless and non-dispersive medium. Background technique [0002] VLSI has an obvious multi-scale structure, and its scale ranges from centimeter level ( ) ~ nanoscale ( ), the scale ranges up to 7 orders of magnitude. On the other hand, the signals transmitted by integrated circuits often have the characteristics of full-wave transmission, and its transmission frequency range covers from DC to several GHz. This problem is particularly prominent in the application of integrated circuits for digital and mixed signal transmission. Therefore, for the electromagnetic field analysis of integrated circuits, full-wave electromagnetic field analysis is required, and a full-wave electromagnetic field solver is required to solve the electromagnetic field of integrated circu...
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IPC IPC(8): G06F30/23G06F30/30
CPCG06F30/23G06F30/30
Inventor 王芬
Owner 北京智芯仿真科技有限公司