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Design proceeds simultaneously at multiple levels of abstraction. Libraries. Compact models. The Old Days. Vertical Integration—One company Develop the manufacturing tools Develop the fabrication process Develop the design tools Develop the device models Design the chips
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Design proceeds simultaneously at multiple levels of abstraction Libraries Compact models
The Old Days • Vertical Integration—One company • Develop the manufacturing tools • Develop the fabrication process • Develop the design tools • Develop the device models • Design the chips • Fabricate the chips
The Old Days • Vertical Integration—One company • Develop the manufacturing tools • Develop the fabrication process • Develop the design tools • Develop the device models • Design the chips • Fabricate the chips Ecomonmic scale change
The Old Days • Vertical Integration—One company • Develop the manufacturing tools • Develop the fabrication process • Develop the design tools • Develop the device models • Design the chips • Fabricate the chips Ecomonmic scale change Ecomonmic scale change Ecomonmic scale change
Code documentation model enhancements user support Developer Creates model, puts in public domain Standard Models University Website Standard Code Documentation Bug tracking Test model Suggest improvements Accept as Standard CMC