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REACHABILITY ANALYSIS BY LOGICAL CIRCUIT SIMULATION FOR PROVIDING OUTPUT SETS CONTAINING SYMBOLIC VALUES
REACHABILITY ANALYSIS BY LOGICAL CIRCUIT SIMULATION FOR PROVIDING OUTPUT SETS CONTAINING SYMBOLIC VALUES
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机译:通过逻辑电路仿真来提供包含符号值的输出集的可及性分析
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摘要
A logic simulation program, method and system for obtaining a set of reachable states for a logic design that can be used to provide input to other algorithms that simplify the netlist describing the logic design or perform other types of processing, provides an efficient, compact behavior when simulating large designs. Rather than simulating using ternary input and state value representations that are restricted to true, false and unknown, the techniques of the present invention use input symbolic values that are retained in the set of reachable states retained as the output. Behaviors such as oscillators, transient values, identical signals, dependent logical states and chicken-switch determined states can be detected in the simulation results and the netlist simplified using the results of the detection.
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