Conformal and Formality are both formal equivalence tools – they check that two circuit descriptions are functionally the same. They both have. 2, Synopsys Inc. introduced Formality, the industry’s first formal verification tool for equivalency checking of million-gate, system-on-a-chip (SOC) designs. This document contains a brief introduction to Synopsys Design Analyzer, Sysnopsys Formality, and. Cadence Conformal tools. You would.
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LEC is strict and wont support unsynthesizable constructs. The initial netlist will usually undergo a number of transformations such as optimization, addition of Design For Test DFT structures, etc. All written in VerilogHDL Is there any tool supported by Synopsys or Cadence that can help me to verify the equivalence of these two desig. However, the problem with this is that the quality of the check is only as good as the quality of the test cases. This is essentially free in terms of logic.
Currently I’m doing verification for rtl versus netlist.
Formal equivalence checking – Wikipedia
All written in VerilogHDL Is there any tool supported by synopsys or Cadence that can help me to verify the equivalence of these synopshs desig. The job is on a 64bit machine using.
Electronic circuit verification Formal methods. Which tool can verify functional equivalence if given two different netlist files?
Formal equivalence checking
The main question in my mind is, why I need to verify the netlist. You will need to find out that How to run LEC after bottom-up syn. Maybe some additional constraints might be required. If you are using DC to synthesize, it is preferred to use formality and not Conformal for formal verification. How to deal with gated clock in Synopsys Formality?
I deeply appreciate it. Formal verification of a clock-gated netlist with Formality.
Formality Are you looking for?: What’s the lowest price? How can I formality check what inserted scan and clock gating? However, verification always fails even though I’ve checked the functional equivalence by RTL simulation.
Synopsys formality –
In general, there is a wide range of possible definitions of functional equivalence covering comparisons between different levels of abstraction and varying granularity of timing details. Use formality for FV. Please help me if you have the related materials.
Conformal LEC constant constraint. The post-layout netlist adds buffer for timing consideration in the path which may be output high impedance.
Also, gate-level simulations are notoriously slow to execute, which is a major problem as the fomality of digital designs continues to grow exponentially.
Throughout every step of a very complex, multi-step procedure, the original functionality and the behavior described by the original code must be maintained.
Retrieved from ” https: From the log-file entries below it has a lot more to go. Typically, a formal equivalence checking tool will also indicate with great precision at which point there exists a difference between two representations. If you asked Synthesis to re-balance logic, the input logic for some registers will be different. Tools are Magellan synopsys or 0-in me.
Reading in an existing match-point file. I am planning to study synopsys formalitybut I don’t know where I can get the tutorial materials. DC output file usage and the full name of these file. I want to inquire the following software pricing for group license.