AMS based asynchronous sequential circuit design method

Abstract

The present invention belongs to the technical field of digital circuits, and in particular relates to an AMS based asynchronous sequential circuit design method. The method mainly comprises the steps of: determining the overall architecture of a designed asynchronous sequential circuit; dividing the overall architecture into two parts namely a control path and a data path according to characteristics of the asynchronous sequential circuit; finishing the design of the control path for replacing a global clock in a customized manner, and meanwhile finishing the design of the data path in a manner of establishing a virtual clock by adopting a conventional synchronous sequential circuit design flow; and performing simulation and verification on the control path and the data path by using an established AMS simulation platform, thereby obtaining a structure forming an integrated circuit. The AMS based asynchronous sequential circuit design method has the beneficial effects that based on a design idea of solution synchronization, and by performing effective division of the data path and the control path on an integrated system, the compatibility problem of the design of a synchronous sequential circuit is solved, the simulation time and difficulty are greatly reduced, and the method is more beneficial for realizing a VLSI design.

Description

technical field [0001] The invention belongs to the technical field of digital circuits, and in particular relates to an AMS-based asynchronous sequential circuit design method. Background technique [0002] At present, the mainstream digital circuit design adopts the synchronous sequential circuit design process and method. As the process line width enters the deep submicron or even nanometer level, the chip power supply voltage continues to decrease, and the synchronous sequential circuit faces a series of unavoidable problems, such as: the proportion of leakage power consumption in the total power consumption of the circuit is increasing, IRdrop leads to functional errors, poor circuit robustness, etc. Due to its structural characteristics, asynchronous sequential circuits naturally have the advantages of low power consumption, low IRdrop, and high robustness that synchronous circuits do not have. The following problems. Synchronous and asynchronous sequential circuit ...

AI Technical Summary

Problems solved by technology

This type of method can realize large-scale asynchronous circuit design, but due to compatibility problems between synchronous and asynchronous design software, there are certain difficulties in interface circuit design, and it is impossible to effectively optimize the overall circuit

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