Design Data Structure
In this chapter, we will examine different ways of describing the representational and structural details of a design. Since the representational details are typically domain specific, we will limit the discussion to one design domain, namely VLSI design. We then describe several proposed and implemented design data models. These provide structures for organizing the design description within and across representations, for incorporating interface specifications, and for representing design versions and alternatives. A more detailed description of one such model, the Object Data Model, will be presented in the next chapter.
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