SPEF is not identical to the SPF format , although it is used in a similar manner .
SPEF is an Open Verilog Initiative ( OVI ) -- and now IEEE -- format for defining netlist parasitics .
SPEF is not identical to the SPF format , although SPEF is used in a similar manner .
SPEF is an Open Verilog Initiative ( OVI ) -- and now IEEE -- format for defining netlist parasitics .