“An interactive, graphical system for the design of photomasks”
DAC '72 Proceedings of the 9th Design Automation Workshop
Clustering and linear placement
DAC '72 Proceedings of the 9th Design Automation Workshop
A proper model for the partitioning of electrical circuits
DAC '72 Proceedings of the 9th Design Automation Workshop
A high quality, low cost router for MOS/LSI
DAC '72 Proceedings of the 9th Design Automation Workshop
Increasing capabilities in interactive computer graphics terminals
DAC '72 Proceedings of the 9th Design Automation Workshop
Wire routing by optimizing channel assignment within large apertures
DAC '71 Proceedings of the 8th Design Automation Workshop
LTX-A system for the directed automatic design of LSI circuits
25 years of DAC Papers on Twenty-five years of electronic design automation
LTX - a system for the directed automatic design of LSI circuits
DAC '76 Proceedings of the 13th Design Automation Conference
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Interactive computer aids for integrated circuit layout usually offer a choice between slow, high-precision plotters or fast, low-resolution interactive media. A system, called GRAFOS, has been designed, which attempts to overcome resolution limitations by the use of symbolic referencing. It employs a symbolic routing language through which both the electrical connectivity and the geometry of the circuit interconnections are specified. This paper presents the syntax and symbology of the GRAFOS language, together with examples illustrating its adaptability to a variety of routing styles, e.g. slant lines, custom layout, polycell routing. Also included is a brief description of the GRAFOS operating system.