A Novel Detailed Routing Algorithm with Exact Matching Constraint for Analog and Mixed Signal Circuits

被引：0
|
作者：
Gao, Qiang [1 ]
Yao, Hailong [1 ]
Zhou, Qiang [1 ]
Cai, Yici [1 ]
机构：
[1] Tsinghua Univ, Dept Comp Sci & Technol, Beijing, Peoples R China
来源：
2011 12TH INTERNATIONAL SYMPOSIUM ON QUALITY ELECTRONIC DESIGN (ISQED) | 2011年
关键词：
analog and mixed signal design; exact matching routing; detailed routing; gridless routing;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In analog and mixed signal designs, exact matching requirement is critical for correct functionality of analog devices. However, due to the excessive complexity, it is difficult to consider exact matching constraint in detailed routing stage. This paper presents a novel gridless detailed routing algorithm, which efficiently obtains the optimized detailed routing solutions for a given set of nets with exact matching constraints. The gridless routing algorithm is based on an efficient non-uniform grid model, which enables the obstacles avoidance. To verify the effectiveness of the gridless routing algorithm, a grid routing algorithm and a modified exact matching routing algorithm from [5] are also implemented. Experimental results show significant improvements of the proposed gridless routing algorithm over the other two algorithms in both QOR and runtime.
引用
收藏
页码：36 / 41
页数：6
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