Simulator of logic circuit and simulation method

Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Circuit simulation

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G06F 1750

Patent

active

060539496

ABSTRACT:
A simulation executing unit includes a conversion unit and a simulation portion. The conversion unit includes a circuit dividing portion, a circuit converting portion and a converted logic circuit generating portion, and the circuit dividing portion divides a logic circuit into combinational partial circuits each interposed between registers or between a register and an input pin or the like. The circuit converting portion generates, on the basis of the divided combinational partial circuits, a converted logic circuit by modifying allocation of registers included in the logic circuit, so as to decrease the number of registers included in the logic circuit without changing the output timing of the logic circuit. The simulation unit performs a simulation on the converted logic circuit.

REFERENCES:
patent: 5475832 (1995-12-01), Shoji et al.
patent: 5790830 (1998-08-01), Segal

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