The Use of Inverse Layout Trees for Hierarchical Design Rule Checking

• The inverse layout tree concept is used to perform fully hierarchical DRC without any constraints on the use of overlapping or incomplete cells that are completed at higher levels of hierarchy. Hierarchy is preserved and design rule violations are displayed in the cell where they should be corrected. The DRC is corner-based and processes 200-800 corners/second on a VAX 11/750.

Ämnesord

NATURVETENSKAP  -- Data- och informationsvetenskap (hsv//swe)

NATURAL SCIENCES  -- Computer and Information Sciences (hsv//eng)

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Nyckelord

High performance computing

Geometry

Wires

Solid state circuits

Machinery

Tree data structures

Very large scale integration

Distributed computing

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