CIRCUIT OPERATION VERIFICATION METHOD, CIRCUIT OPERATION VERIFICATION DEVICE, AND COMPUTER PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a circuit operation verification method, a circuit operation verification device, and a computer program, capable of correctly and speedily verifying whether or not a circuit element built in a semiconductor integrated circuit malfunctions by considering each voltage drop of power supply wiring and grounding wiring. SOLUTION: Based on a function showing the relation between the total amount of voltage drops and the amount of a delay variation, the amount of an allowable power supply voltage dropΔVDDYand the amount of an allowable grounding voltage dropΔVSSYcorresponding to the amount of the delay variation PYwhich satisfies design constraints are determined, and when the amount of a power supply voltage dropΔVDDDCof the circuit element determined based on mask layout data is smaller thanΔVDDY, or the amount of a grounding voltage dropΔVSSDCis smaller thanΔVSSY, the circuit element is determined to malfunction. COPYRIGHT: (C)2006,JPO&NCIPI