What are the inputs required at the start of PnR?

o   Gate-Level Netlist:

o   Timing Libraries (.lib or .db)

o   Physical Libraries (.lef):

o   technology process rules (tech LEF).

o   Timing Constraints (SDC - Synopsys Design Constraints):

o   Power Intent (UPF/CPF - Optional but common):

o   RC Extraction Files (Optional initial estimate, more critical later): tlu+, qrcTech

o   Floorplan Definition File (DEF - Optional):

o   Scan Definition File (Scan DEF - Optional):

o   MMMC (Multi-Mode Multi-Corner) Setup File