ALIGN: Open-Source Analog Layout Automation from the Ground Up
Proceedings of the 56th Annual Design Automation Conference 2019(2019)
摘要
This paper presents analog layout automation efforts under the ALIGN ("Analog Layout, Intelligently Generated from Netlists") project for fast layout generation using a modular approach based on a mix of algorithmic and machine learning-based tools. The road to rapid turnaround is based on an approach that detects structure and hierarchy in the input netlist and uses a grid based philosophy for layout. The paper provides a view of the current status of the project, challenges in developing open-source code with an academic/industry team, and nuts-and-bolts issues such as working with abstracted PDKs, navigating the "wall" between secured IP and open-source software, and securing access to example designs.
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关键词
Analog circuits, hierarchy, machine learning, physical design
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