A method for optimizing that equivalent output of a post-simulation circuit

A circuit and output information technology, applied in the field of efficiency, can solve problems such as lack of output information, achieve the effect of reducing storage space, reducing scale, and improving design cycle

Active Publication Date: 2019-02-22
SHENZHEN HUADA EMPYREAN TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the deficiencies in the prior art, the purpose of the present invention is to provide a method for equivalent output after circuit optimization. Aiming at the lack of output information after circuit optimization in the current integrated circuit automation products, a calculation method is proposed. way to equivalent output method

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  • A method for optimizing that equivalent output of a post-simulation circuit

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Embodiment Construction

[0020] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0021] figure 1 For the method flowchart of the equivalent output after the optimization of the analog circuit according to the present invention, reference will be made below figure 1 , to describe in detail the method of equivalent output after post-imitation circuit optimization of the present invention.

[0022] First, in step 101, circuit simulation is started.

[0023] In step 102, the output information in the circuit is identified, and the output information that can be equivalent and the output information that cannot be equivalent are distinguished.

[0024] In this step, all the output information is traversed first, those that can be equivalently group...

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Abstract

A method for optimizing that equivalent output of post-simulation circuit comprises the follow steps: 1) discriminating the output information required by circuit simulation and filter the equivalentoutput information; 2) storing the RC matrix before optimization in advance; 3) optimize that circuit and storing the optimize node information; 4) updating the RC matrix before optimization and solving to obtain the corresponding output information of the optimized node; 5) outputting the equivalent output information of the node. The method of the equivalent output after optimization of the post-simulation circuit of the invention ensures the integrity of the output according to the equivalence of the post-simulation circuit and realizes user-friendliness.

Description

technical field [0001] The invention relates to the field of integrated circuit automation product design, in particular to a method for equivalently outputting optimized circuits in integrated circuit design. Background technique [0002] The scale of equations in electronic circuits is an important factor restricting the performance of integrated circuit automation products. At present, most of the products on the market will perform various optimizations on the circuit in advance to reduce the scale of the circuit, thereby reducing the complexity of the calculation of the equations. But most of the circuit optimization is subject to various factors, including the influence of circuit output information, these factors will reduce the efficiency of our circuit optimization. As the technology continues to progress toward the nanoscale, the scale of the circuit is also expanding rapidly, and the scale of the problem to be solved is also increasing rapidly. If efficient optim...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20G06F30/39
Inventor 刘琳周振亚程明厚吴大可
Owner SHENZHEN HUADA EMPYREAN TECH CO LTD
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