A Hybrid Hierarchical Global Router for Multi-Layer VLSI's

Masayuki HAYASHI  Shuji TSUKIYAMA  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E78-A   No.3   pp.337-344
Publication Date: 1995/03/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 7th Karuizawa Workshop on Circuits and Systems)
Category: VLSI Design Technology and CAD
Keyword: 
hybrid hierarchical router,  global routing,  multi-layer routing,  CAD,  VLSI,  

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Summary: 
In this paper, we propose a hybrid hierarchical global router for multi-layer VLSI's, which executes routing and layering simultaneously. This novel approach, a hybrid hierarchical global router, is a combination of a topdown and a bottomup hierarchical routers, and may be one of interesting routing techniques. We also show experimental results, which demonstrate the superiority of the hybrid hierarchical approach. This approach may have many possibilities to be used in a various fields.