Patent ID: 9372232
Filing Date: 2016-06-21
CPC Classification: G01R

Claim Text:
1. A method for collecting diagnostic data from a chip including a plurality of latches, the method comprising: identifying a failing latch from the plurality of latches, the failing latch receiving data propagated from a first set of test input latches; determining, in response to identifying the failing latch, a diagnostic set of latches, the diagnostic set of latches comprising the failing latch and a set of related latches, the set of related latches each receiving data propagated from at least one test input latch from the first set of test input latches, the set of related latches identified from a related latches data source; performing, after determining the diagnostic set of latches, one or more tests on the chip; collecting test output data from the diagnostic set of latches, the test output data produced during the one or more tests; loading the collected test output data into a diagnostic tool; and determining, by the diagnostic tool, possible faults using the test output data and a fault model.