The C programming language
TED: a graphical technology description editor
DAC '87 Proceedings of the 24th ACM/IEEE Design Automation Conference
Technology tracking of non manhattan VLSI layout
DAC '89 Proceedings of the 26th ACM/IEEE Design Automation Conference
Representation and use of design rules within a technology adaptable CAD system
DAC '89 Proceedings of the 26th ACM/IEEE Design Automation Conference
RISCE—a reduced instruction set circuit extractor for hierarchical VLSI layout verification
DAC '88 Proceedings of the 25th ACM/IEEE Design Automation Conference
A design rule database system to support technology-adaptable applications
DAC '86 Proceedings of the 23rd ACM/IEEE Design Automation Conference
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We describe a comprehensive way to organize information about VLSI technologies. This information is represented both in a syntactical structure and in a database format. The objective of the technology database is to exercise centralized control over all tools that use technology information so that the tools can be made immune to changes in technology to the extent possible. The syntactical representation allows for interchange among different companies, similar to what Electronic Design Interchange Format (EDIF) is designed for.The paper concentrates on technology tracking for layout tools. These tools include layout editing, compaction, routing, design-rule checking, extraction, plotting, and mask generation. Our scheme enables the same set of layout tools to work with different technologies (such as MOS and bipolar). The principle can be used for other VLSI design tools. We have also developed several tools specifically for handling technology databases.