Automatic generation method of analog circuit schematic through analog circuit netlist

Abstract

The invention discloses an automatic generation method of analog circuit schematic through analog circuit netlist, which comprises the steps of receiving the data which is assigned by users in the form of graphical interface or command line; analyzing the circuit functions based on an analog circuit function structure characteristic template database and stratifying based on the circuit functions; determining the port types of all circuit units; automatically generating constraint conditions of all the circuit units; automatically generating symbols of all the circuit units; performing automatic layout of the symbols in the circuit units; automatically wiring the net among the symbols in the circuit units; automatically marking the constraint conditions on a circuit diagram of the circuitunits; and outputting the circuit diagram to a database of a circuit diagram editor / displayer. According the invention, a circuit diagram which can accurately reflect the analog circuit functions, the structural characteristics, and the functional hierarchy, and clearly indicate direct current paths, signal flow paths and the constrained conditions required by the subsequent circuit optimization and layout optimization can be automatically generated.

Description

technical field [0001] The present invention relates to the technical field of Electronic Design Automation (EDA) software, more specifically, it is related to the method for automatically generating circuit diagrams of analog circuits and the circuit function analysis, hierarchical division, circuit unit symbol generation, symbol layout, and line network connection in the system. A method for automatically generating analog circuit schematic diagrams from analog circuit netlists, which is closely related to marking constraints on circuit diagrams. Background technique [0002] Circuit diagrams that can accurately reflect the functional and structural characteristics of analog circuits are the technical basis for designers to manually design analog integrated circuits or manually intervene in automatic design. In the analog integrated circuit design process, circuit design and optimization and layout design and optimization need to follow certain constraints, which are mainl...

AI Technical Summary

Problems solved by technology

[0005] The main problem of the traditional technology of automatically generating analog circuit schematic diagrams from analog circuit netlists is that the generated analog circuit diagrams cannot express the structural characteristics of their analog circuit functions

Designers cannot know its structural features from the generated schematic diagram, let alone its function, so it is impossible to accurately capture the constraints that must be followed for subsequent circuit design and optimization and layout design and optimization

Images