Circuit simulator

Details Circuit simulator Circuit simulator

1989-07-06

1992-04-14

Lall, Parshotam S.

Boots, shoes, and leggings

364488, 371 23, G06F 1560, G06F 1100, G06F 1520

Patent

active

051053748

ABSTRACT:
The circuit simulator stores an information representing a relation between the level transition on an output signal of each element in an object circuit and an input terminal to which a test pattern is applied. When a timing error occurs, an error message outputted based upon the information facilitates to narrow down the range of subjects to be analyzed for seeking the cause of the error, whereby the cause of a timing error can be easily cleared up.

REFERENCES:
patent: 4527249 (1985-07-01), Van Brunt
patent: 4698760 (1987-10-01), Lembach et al.
patent: 4736351 (1988-04-01), Oliver
patent: 4763288 (1988-08-01), Deering et al.
patent: 4769817 (1988-09-01), Kohn et al.
patent: 4821220 (1989-04-01), Duisberg
patent: 4924430 (1990-05-01), Zasio et al.
patent: 4970664 (1990-11-01), Kaiser et al.
Jouppi; "Timing Analysis for Nmos VLSI"; 20th Design Automation Conference; 1983.
SDA Systems; "Timing Analyzer: Fast Programmable Critical Path Analysis"; 1988.
AIDA Corp. "Timing Verifier Technical Spec." 1987.

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