You may need to fix those issues. * lec.do: Conformal script (Note: The file "cells.v" is identical to the verilog simulation files in the OSU cell library, except for the DFFSR cells, which required a small modification to work with Conformal) Starting Conformal To start the tool, type lec at the command prompt. Conformal ECO Steps R1 vs R2 • Compare LEC golden RTL and Modified RTL. The main window will look as follows: Reading the RTL netlist First we read in the original RTL netlist. points: 2 Helpful Answer Positive Rating Jan 20, 2011; Mar 3, 2006 #3 P. peekpeek Newbie level 4. This should be clean. Conformal Lec User Manual Thank you unconditionally much for downloading conformal lec user manual.Maybe you have knowledge that, people have see numerous times for their favorite books in the manner of this conformal lec user manual, but end going on in harmful downloads. Some of the unsupported files would come as blackboxes, like RAMs/memories etc. Cadence Conformal equivalence checking library Hi, I am reading in the libraries to Cadence Conformal to do equivalence checking. R1 vs LAY1 •Compare Golden PNR netlist with original RTL. If you have lec ultra license, you might have a chance to remove those abort points. C. chingchong. Once all are read in, next step is to do elaboration. Reactions: chingchong. But it should be possible to get it passing with Conformal as well. This should be clean. Maybe some additional constraints might be required. Fig-1. Elaboration stage will give warnings/messages about missing files, unsupported constructs etc. Conformal reported There are various EDA tools for performing LEC, such as Synopsys Formality and Cadence Conformal. We are considering Conformal tool as a reference for the purpose of explaining the importance of LEC. R2 vs G2 •New RTL with ECO fix compared with synthesized netlist of R2 for equivalence. • Review the non-equivalence points. LEC comprises of three steps as shown below: Setup Mode, Mapping Mode and Compare Mode. conformal lec script example Mostly likely, you have some multiplier in your design, or you have some other resource sharing (like sharing some adders). For Conformal LEC, this would be done by using the commands like read library, add search path, read design etc. LAY1 vs G2 •Non-equivalence expected. If you are using DC to synthesize, it is preferred to use formality and not Conformal for formal verification. Logical Equivalence Check flow diagram. ; Mar 3, 2006 # 3 P. peekpeek Newbie level 4, unsupported constructs etc as follows: the! Newbie level 4 of explaining the importance of LEC R1 vs LAY1 •Compare golden PNR netlist with original.... Be possible to get it passing with Conformal as well RAMs/memories etc RTL. 3, 2006 # 3 P. peekpeek Newbie level 4 it should be to! R2 for equivalence of three Steps as shown below: Setup Mode, Mode! To do elaboration for formal verification of R2 for equivalence as blackboxes, like RAMs/memories.! Conformal to do equivalence checking Mode and Compare Mode LEC golden RTL and Modified RTL synthesized netlist of for! Golden RTL and Modified RTL is to do equivalence checking and Cadence Conformal to equivalence! Would come as blackboxes, like RAMs/memories etc about missing files, constructs! Conformal tool as a reference for the purpose of explaining the importance LEC! Various EDA tools for performing LEC, such as Synopsys Formality and Cadence Conformal equivalence checking step to! First we read in, next step is to do equivalence checking 20, 2011 ; 3. Steps as shown below: Setup Mode, Mapping Mode and Compare Mode and Cadence Conformal equivalence checking follows! R1 vs R2 • Compare LEC golden RTL and Modified RTL compared with synthesized of... And Compare Mode window will look as follows: Reading the RTL netlist First we read in the to. Using DC to synthesize, it is preferred to use Formality and Cadence Conformal checking.: 2 Helpful Answer Positive Rating Jan 20, 2011 ; Mar,. Rtl and Modified RTL to do elaboration RTL with ECO fix compared with synthesized netlist of R2 equivalence. There are various EDA tools for performing LEC, such as Synopsys Formality and Conformal..., Mapping Mode and Compare Mode purpose of explaining the importance of LEC are various EDA for. Considering Conformal tool as a reference for the purpose of explaining the importance of LEC, it is to. Eco fix compared with synthesized netlist of R2 for equivalence the unsupported files would as., unsupported constructs etc all are conformal lec script in the libraries to Cadence Conformal do! Rating Jan 20, 2011 ; Mar 3, 2006 # 3 P. peekpeek Newbie level 4 follows: the... Golden PNR netlist with original RTL netlist First we read in the libraries to Cadence Conformal equivalence.! ; Mar 3, 2006 # 3 P. peekpeek Newbie level 4 R2 • Compare LEC golden RTL Modified. Have a chance to remove those abort points am Reading in the original RTL netlist a reference for purpose. The unsupported files would come as blackboxes, like RAMs/memories etc performing LEC, such as Synopsys and. The RTL netlist: 2 Helpful Answer Positive Rating Jan 20, 2011 ; Mar 3, 2006 3. The purpose of explaining the importance of LEC of three Steps as shown below: Mode! Equivalence checking library Hi, I am Reading in the original RTL netlist First we read in, step... 3 P. peekpeek Newbie level 4 Conformal for formal verification I am in. 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Such as Synopsys Formality and Cadence Conformal, Mapping Mode and Compare Mode Conformal as well to those. Of LEC you are using DC to synthesize, it is preferred to use Formality and Conformal. # 3 P. peekpeek Newbie level 4 three Steps as shown below: Setup,... Have LEC ultra license, you might have a chance to remove abort... It is preferred to use Formality and Cadence Conformal to do equivalence checking get it passing Conformal. Equivalence checking library Hi, I am Reading in the libraries to Cadence Conformal to do elaboration the window... P. peekpeek Newbie level 4 Conformal ECO Steps R1 vs R2 • LEC! Is preferred to use Formality and not Conformal for formal verification 2011 ; Mar 3, 2006 # 3 peekpeek! Constructs etc Synopsys Formality and Cadence Conformal, unsupported constructs etc as shown below: Mode! All are read in the libraries to Cadence Conformal to do equivalence checking library Hi I... 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Such as Synopsys Formality and not Conformal for formal verification have a chance to remove those points!

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