Oct 30, 2014 #1 A abu9022 Member level 3 Joined Jan 2, 2013 Messages 60 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,715 HI friends, I use the following command Code: write_sdf iu_verilog7ns.sdf and got the following error Code: Warning-[SDFCOM_NNTC] Need timing check option +neg_tchk ./leon/iu_gates.sdf, 102729 module: SDFF_X1, "instance: TBLEON.TB.P0.LEON0.MCORE0.PROC0.IU0.IU1.iu2.\tr_reg[1][MASK][17] " SDF Error: Negative HOLD value replaced by 0. Add +neg_tchk to consider Negative delay value. can you check below command is correct way to add +neg_tchk Code: write_sdf -version 3.0 +neg_tchk -o junk.sdf Last edited: Oct 30, 2014
HI friends, I use the following command Code: write_sdf iu_verilog7ns.sdf and got the following error Code: Warning-[SDFCOM_NNTC] Need timing check option +neg_tchk ./leon/iu_gates.sdf, 102729 module: SDFF_X1, "instance: TBLEON.TB.P0.LEON0.MCORE0.PROC0.IU0.IU1.iu2.\tr_reg[1][MASK][17] " SDF Error: Negative HOLD value replaced by 0. Add +neg_tchk to consider Negative delay value. can you check below command is correct way to add +neg_tchk Code: write_sdf -version 3.0 +neg_tchk -o junk.sdf
Oct 31, 2014 #2 S sharath666 Advanced Member level 2 Joined Apr 4, 2011 Messages 552 Helped 126 Reputation 252 Reaction score 124 Trophy points 1,323 Location India Activity points 3,830 Check out your simulator options at the command terminal...<Command_name> -help should give you all options I suppose...
Check out your simulator options at the command terminal...<Command_name> -help should give you all options I suppose...