stuck-at-fault
ConceptA stuck-at-fault is a circuit-level fault model used in implementation-based testing. In the provided microprocessor testing case study, stuck-at-fault analysis is described as modifying a circuit design with mutators that represent fabrication faults, such as broken wires between gates. The technique is effective for medium-size circuits and uses design structure to build equivalence-class tests, but it may miss higher-level design flaws such as memory write-read errors involving byte alignment.
WIKI
Definition
A stuck-at-fault is a fault-analysis concept used at the circuit-design level. The provided source describes stuck-at-faults as a common analysis technique in which a given circuit design—an implementation—is modified by mutators that capture a fabrication fault model. An example fault model is that one or more wires connecting gates in the circuit are broken. [Definition and fault model]
Testing characterization
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