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PD: Verification Vs. Modification

‘Post’-layout Optimization. Extraction and Verification. PD: Verification Vs. Modification. easy. estimated. IO Pad Placement. Power/Ground Stripes, Rings Routing. Layout Verification. Layout Modification. Not real post-layout optimization, but a new PD loop…. Placement.

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PD: Verification Vs. Modification

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  1. ‘Post’-layout Optimization Extraction and Verification PD: Verification Vs. Modification easy estimated IO Pad Placement Power/Ground Stripes, Rings Routing Layout Verification Layout Modification Not real post-layout optimization, but a new PD loop… Placement Clock Tree Synthesis Global Routing Detail Routing difficult accurate

  2. Geometry Layout Topological Layout TEG: A Post-layout Optimization Method Extraction & Verification Detail Routing layout problems geometry transform topology extraction Post-layout Optimization Topological DRC TEG layout operations DRVS Layout Modification DRV Solver remove DRVS To be appeared in ISPD’02

  3. Wire Sizing by TEG Original Layout (LEF/DEF) After wire sizing (LEF/DEF) Fix crosstalk-delay, reduce IR-drop …

  4. Wire Distribution by TEG After wire distribution Original Layout Decrease CMP process variation, improve yield and manufacturability…

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