1 09/07/01 PD: Verification Vs. Modification Global Routing Detail Routing Placement Clock Tree Synthesis Power/Ground Stripes, Rings Routing IO Pad Placement Layout LayoutVerification estimated accurate Modification easy difficult Extraction and Verification ‘Post’-layout Optimization Not real post-layout optimization, but a new PD loop…
2 09/07/01 TEG: A Post-layout Optimization Method Post-layout Optimization Detail Routing Extraction & Verification GeometryLayout TopologicalLayout Topological DRC DRV Solver Layout Modification geometry transform topology extraction layout problems layout operations remove DRVS TEG To be appeared in ISPD’02
3 09/07/01 Wire Sizing by TEG Original Layout (LEF/DEF) After wire sizing (LEF/DEF) Fix crosstalk-delay, reduce IR-drop …
4 09/07/01 Wire Distribution by TEG Decrease CMP process variation, improve yield and manufacturability… Original Layout After wire distribution