tree d46f914d507f6792f306502f9f3566c333d19036
parent 88bd42efc97c417a4b29cd4c984a9e5a1e3f04f6
author Tim Edwards <tim@opencircuitdesign.com> 1608410761 -0500
committer Tim Edwards <tim@opencircuitdesign.com> 1608410761 -0500

Added eight more overlay combination cells;  these create connections between
the clamp circuits and the buses as well as between the pad and buses.  There
are very many possible combinations, but these have been limited to a smaller
set used for the caravel chip.  Also updated the LEF views with magic 8.3.100,
where a correction was made to an error that missed obstructions outside of the
abutment bounding box when doing "lef write -hide".  verilog netlists have been
updated with the new combination cells.  The CDL netlists have been updated with
at least black-box views to assert pin order;  and the full CDL netlist has been
provided where the CDL exists for the cell in skywater-pdk-scratch (development
build of sky130_fd_io).