Performance-driven analog placement considering monotonic current paths
Proceedings of the International Conference on Computer-Aided Design
Simultaneous analog placement and routing with current flow and current density considerations
Proceedings of the 50th Annual Design Automation Conference
Bus-driven floorplanning with thermal consideration
Integration, the VLSI Journal
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With the thermal effect, improper analog placements may degrade circuit performance because the thermal impact from power devices can affect electrical characteristics of the thermally-sensitive devices. There is not much previous work that considers the desired placement configuration between power and thermally-sensitive devices for a better thermal profile to reduce the thermally-induced mismatches. This paper first introduces the properties of a desired thermal profile for better thermal matching of the matched devices. It then presents a thermal-driven analog placement methodology to achieve the desired thermal profile and to consider the best device matching under the thermal profile while satisfying the symmetry and the common-centroid constraints. Experimental results based on real analog circuits show that the proposed approach can achieve the best analog circuit performance/accuracy with the least impact due to the thermal gradient, among existing works.