Matt Liberty
Matt Liberty
@msaligane is this still relevant?
@msaligane if you have an updated test with a LEF I can take a look. I don't know what "weird results" mean.
@msaligane in the packaged test case the lef & cdl did not align. Until that is addressed I don't have anything to look at.
Here is a master you are using (it's the same): [WARNING ODB-0286] Terminal VPB of CDL master sky130_fd_sc_hd__inv_1 not found in LEF. In the CDL: .SUBCKT sky130_fd_sc_hd__inv_1 A VGND VNB...
@msaligane see above
In the LEF in openlane I do see the bulk pins. I think ORFS needs a refresh.
@mithro @RTimothyEdwards can you explain why [hd](https://github.com/google/skywater-pdk-libs-sky130_fd_sc_hd/blob/main/cells/inv/sky130_fd_sc_hd__inv_1.lef) and [hs](https://github.com/google/skywater-pdk-libs-sky130_fd_sc_hs/blob/main/cells/inv/sky130_fd_sc_hs__inv_1.lef) versions of this cell have different handling of bulk pins? hd doesn't have them while hs does. In the .magic.lef they...
I discussed bulk pins with @louiic who recommends we have them in cdl & lef (it is required at lower nodes so it is best to have a single methodology...
Same as https://github.com/YosysHQ/yosys/issues/511 which is open since 2018
Another idea is to manually instantiate a tristate driver and tie its enable to the off state. It would waste a bit of area/power but at least it would be...