An integrated design for testability and automatic test pattern generation system: An overview
DAC '84 Proceedings of the 21st Design Automation Conference
PODEM-X: An automatic test generation system for VLSI logic structures
DAC '81 Proceedings of the 18th Design Automation Conference
Test generation costs analysis and projections
DAC '80 Proceedings of the 17th Design Automation Conference
Heuristic enhancement of an algorithmic test generator
DAC '77 Proceedings of the 14th Design Automation Conference
TMEAS, a testability measurement program
DAC '79 Proceedings of the 16th Design Automation Conference
A New Approach to the Fault Location of Combinational Circuits
IEEE Transactions on Computers
Polynomially Complete Fault Detection Problems
IEEE Transactions on Computers
SCIRTSS: A Search System for Sequential Circuit Test Sequences
IEEE Transactions on Computers
A Heuristic Algorithm for the Testing of Asynchronous Circuits
IEEE Transactions on Computers
Fault Folding for Irredundant and Redundant Combinational Circuits
IEEE Transactions on Computers
Good Controllability and Observability Do Not Guarantee Good Testability
IEEE Transactions on Computers
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ATWIG is a heuristic automatic test pattern generator (ATG) which employs various types of guidance based on controllability and observability (C/O) measures and various heuristics fault' path and fault selection. Guided inconsistent path sensitization, a new method for low cost ATG, is discussed. A concurrent fault simulator is used to verify the generated test patterns. Experimental results show that ATWIG is very efficient in generating test patterns for combinational and low sequential circuits. Further improvements and heuristics are necessary for automatic test generation of highly sequential circuits. The relationship between C/O cost measures and A TWIG cost is discussed.