Boots – shoes – and leggings
Patent
1995-01-13
1997-04-29
Trans, Vincent N.
Boots, shoes, and leggings
G06F 1750
Patent
active
056255640
ABSTRACT:
A device extractor for extracting devices from a hierarchical cell design. The device extractor selects a cell from the lowest level of the hierarchy and searches the cell for the device components. The device extractor searches each cell in the lowest level and then selects a "parent" cell in the penultimate level. The parent cell, and all of the children cells of the parent cell, are searched. The selection and search process continues until all of the components of the device are identified in a cell or the children cell of the cell and a proper relationship between the components is determined. The components of the identified device are masked so that they are not identified and associated with another device during subsequent searches.
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"Hierarchical Functional Verification for Cell-Based Design Styles" by L.G. Chen et al., IEE Proceedings, vol. 134, Pt. G., No. 2, Apr. 1987, pp. 103-109.
"PANAMAP-B: A Mask Verification System for BiPolar IC" by J. Yoshida et al., IEEE 18th Design Automation Conference, pp. 690-695.
Cadence Design Systems Inc.
McNelis John T.
Trans Vincent N.
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