NDLI: Hierarchical propagation of geometric constraints for full-custom physical design of ICs

Content Provider	IEEE Xplore Digital Library
Author	Mittag, M. Krinke, A. Jerke, G. Rosenstiel, W.
Copyright Year	2012
Description	Author affiliation: Dresden University of Technology, Germany (Krinke, A.) \|\| Robert Bosch GmbH, Automotive Electronics, Reutlingen, Germany (Mittag, M.; Jerke, G.) \|\| University of Tübingen, Department of Computer Engineering, Germany (Rosenstiel, W.)
Abstract	In industrial environments, full-custom layout design of analog and mixed-signal ICs is done hierarchically. In order to increase design efficiency, cell layouts are reused in the design hierarchy. Constraints forming relations between instances in different hierarchical contexts are of critical importance. While implementing a cell layout, these constraints have to be available in the cell's context. In this paper, a general definition of hierarchical constraints for a constraint-driven design flow is given. Furthermore it is shown, how top-down declared constraints can be propagated into another hierarchical context. Only by propagation they become visible and verifiable for bottom-up cell design. The feasibility of our proposed methodology is shown by applying it to a modular Smart Power IC of the automotive industry.
Starting Page	1471
Ending Page	1474
File Size	2791955
Page Count	4
File Format	PDF
ISBN	9781457721458
ISSN	15301591
DOI	10.1109/DATE.2012.6176599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-12
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	European Design Automation Association (EDAA)
Subject Keyword	Layout Context Integrated circuits Assembly Algorithm design and analysis Design automation Generators
Content Type	Text
Resource Type	Article

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