How to Run Cadence QRC with Parasitic Cell Blocking

If you are using the parasitic cell blocking use mode, ie, using the extraction_setup -parasitic_blocking_device_cells_file “hcell_qci” CCL in QRC, please simultaneously make sure that the hierarchy of the cfmom device is preserved during LVS stage. So, if using PVS LVS flow, you need to ensure to run LVS with layout_cell_list and preserve_cell_list. For eg:

layout_cell_list hcell_qci “cfmom*” “cmom*” ind*”

preserve_cell_list hcell_qci

Also, need to ensure to run LVS hierarchically (Eg: use -automatch or Hcell option in PVS). Also, ensure to run LVS with lvs_push_devices_properties yes to ensure no device climbing occurs due to LPE extraction in QRCLVS or RC_DECK On flow.