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Design Automation Conference (1988)
Anaheim, CA, USA
June 12, 1988 to June 15, 1988
ISBN: 0-8186-0864-1
pp: 60-65
Zimmerman , FB Inf., Kaiserslautern Univ., West Germany
Area estimation of IC layouts has become an important requirement for early design and top-down chip planning tools. Especially the relation of area and aspect ratio (shape function) is necessary for chip planning. Statistical models have been published with good results for standard cell blocks with near unity aspect ratios. A model is presented for the prediction of shape functions for aspect ratios up to 1:5. The model is based on the shape and connectivity of adjacent cells. It can be used for many different design styles and has been tested for standard cell blocks for the placement of general cells.
shape function estimation technique, VLSI layouts, IC layouts, top-down chip planning tools, aspect ratio, standard cell blocks, connectivity of adjacent cells, design styles, placement of general cells

Zimmerman, "A new area and shape function estimation technique for VLSI layouts," Design Automation Conference(DAC), Anaheim, CA, USA, 1988, pp. 60-65.
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