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Detection method of standard unit

A standard unit and detection method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems that manual analysis is not necessarily accurate and time-consuming, and achieve reduced iteration times, strong selectivity, and shortened design The effect of time required

Active Publication Date: 2021-01-22
VIA ALLIANCE SEMICON CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, due to the increasingly complex design, it often takes more than 300 hours to complete automatic layout and routing, and it takes at least 600 hours for one iteration. In addition, manual analysis is not necessarily accurate and very time-consuming. Therefore, it is necessary to design in the early stage, such as In the placement stage, evaluate the winding ability of standard units, find out the standard unit types that are likely to violate design rules, and confirm (or evaluate) them

Method used

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Embodiment Construction

[0013] The following descriptions are examples of the present invention. Its purpose is to illustrate the general principle of the present invention and should not be regarded as a limitation of the present invention. The scope of the present invention should be defined by the claims.

[0014] It can be understood that although the terms "first", "second", "third" and the like may be used herein to describe various components, components, regions, layers, and / or sections, these components, components, Regions, layers, and / or sections should not be limited by these terms, and these terms are only used to distinguish different components, components, regions, layers, and / or sections. Thus, a first component, component, region, layer, and / or section discussed below could be termed a second component, component, region, layer, or section without departing from the teachings of some embodiments of the present disclosure. and / or sections.

[0015] It is worth noting that the follo...

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Abstract

A detection method of a standard unit is suitable for detecting the standard unit, and comprises the following steps: performing winding blockage analysis on a circuit to generate a winding blockage report; counting the number of times of winding blockage of each type of standard units in the winding blockage report; determining at least one type of standard units of which the winding blockage frequency is greater than a threshold value; and performing an evaluation on the at least one class of standard cells.

Description

technical field [0001] The invention relates to a detection method of a standard unit, in particular to a detection method for evaluating the winding ability of the standard unit and further evaluating it. Background technique [0002] The main steps of automatic layout and routing of digital integrated circuit backend design usually include floorplan, placement, clock tree synthesis, routing and optimization. Generally speaking, a circuit design will not be tested for design rules (Design Rule, DR) until it reaches the step of wiring. After artificial analysis, it is found that some units are likely to violate the design rules, and then these units are replaced or banned. . A circuit design often needs to go through such a process of repeated iterative calculations to troubleshoot problematic units. [0003] However, due to the increasingly complex design, it often takes more than 300 hours to complete automatic layout and routing, and it takes at least 600 hours for one ...

Claims

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Application Information

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IPC IPC(8): G06F30/398G06F30/394
CPCG06F30/398G06F30/394
Inventor 刘淼李翊李小静梁津
Owner VIA ALLIANCE SEMICON CO LTD
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