Method and apparatus for pseudorandom boundary-scan testing

Details Method and apparatus for pseudorandom boundary-scan testing Method and apparatus for pseudorandom boundary-scan testing

G - Physics

01

R

G01R 31/28 (2006.01) G01R 31/3185 (2006.01)

Patent

CA 2192867

Pseudorandom Boundary-Scan testing of a interconnects within a system (10) is accomplished by first generating a pseudorandom pattern and then filtering the pattern before application to the system to modify values within each pattern that could cause a signal conflict. Each response generated by the system upon application to the system is also filtered to mask non-deterministic values with the response. The filtered response is compared to a set of signatures representing a fault-free condition to detect faults within the system.

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