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

1995-12-22

1998-06-30

Canney, Vincent P.

Excavating

G01R 3128

Patent

active

057744777

ABSTRACT:
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.

REFERENCES:
patent: 5596584 (1997-01-01), Warren
IEEE Standard Test Access Port and Boundary-Scan Architecture, published by the IEEE, New York, New York (1990), Chapter 1 (pp. 1-1 -1-5).

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