Placement for different design styles
Standard cell placement
- In a standard-cell design, all modules have the some height. The placement of standard cells have to be aligned with some pre-specified standard cell row in the placement region. Because of popularity of standard cell row in the placement region. Because of popularity of standard-cell design, most placement algorithms assume a standard-cell design style.
- Standard Cells are placed on rows/sites
- The rows are abutted and 180 degree rotation/flipped
- Shares VDD/VSS
ØCheck Points of standard cell placement
•Congestion
•Timing
•IR Drop
•Utilization
