Logic-circuit layout pattern inspection method and logical simul

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364489, 364578, G06F 1560

Patent

active

053813456

ABSTRACT:
A circuit layout pattern inspection method and a logical simulator for implementing the same. Wiring is substituted by a .pi. or T equivalent circuit and is described by a nodal equation, and a gate is described by a simplified model, that is, a current source calculation formula. By the nodal equation and the current source calculation formula, a simulation is performed to obtain a delay time for every node. The obtained delay time is stored to make the inspection easy.

REFERENCES:
patent: 4823278 (1989-04-01), Kikuchi et al.
patent: 5031111 (1991-07-01), Chao et al.
patent: 5046017 (1991-09-01), Yuyama et al.
patent: 5197015 (1993-03-01), Hartoog et al.

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