6-405: LVS may refer to: Layout Versus Schematic electronic circuit verification Linux Virtual Server , load balancing software Light Value Scale in photography LVS Ascot, Licensed Victuallers' School , Berkshire, UK Logistics Vehicle System , USMC tactical vehicles LVS-86 , a Russian tram LVS-97 , a Russian tram LVS may be one of
12-442: Is different from Wikidata All article disambiguation pages All disambiguation pages Layout Versus Schematic The layout versus schematic ( LVS ) is the class of electronic design automation (EDA) verification software that determines whether a particular integrated circuit layout corresponds to the original schematic or circuit diagram of the design. A successful design rule check (DRC) ensures that
18-481: The drawn shapes of the layout that represent the electrical components of the circuit, as well as the connections between them. This netlist is compared by the "LVS" software against a similar schematic or circuit diagram's netlist . LVS checking involves following three steps: In most cases the layout will not pass LVS the first time requiring the layout engineer to examine the LVS software's reports and make changes to
24-673: The following codes: the NYSE ticker for Las Vegas Sands the IATA and FAA code for Las Vegas Municipal Airport Las Vegas Strip Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title LVS . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=LVS&oldid=904091574 " Category : Disambiguation pages Hidden categories: Short description
30-402: The layout conforms to the rules designed/required for faultless fabrication. However, it does not guarantee if it really represents the circuit you desire to fabricate. This is where an LVS check is used. The need for such programs was recognized relatively early in the history of ICs, and programs to perform this comparison were written as early as 1975. These early programs operated mainly on
36-460: The level of graph isomorphism , checking whether the schematic and layout were indeed identical. With the advent of digital logic, this was too restrictive, since exactly the same function can be implemented in many different (and non-isomorphic) ways. Therefore, LVS has been augmented by formal equivalence checking , which checks whether two circuits perform exactly the same function without demanding isomorphism. LVS checking software recognizes
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