Patent ID: 7007211

Claim:
A method for testing one or more memories of a device, comprising: receiving one or more first repair records from one or more built-in self-testers of a device, the device comprising one or more memories, a built-in self-tester associated with a memory, a first repair record describing a first repair at a memory; generating a first repair signature from the one or more first repair records, the generating comprising generating a cyclic redundancy check string from the one or more first repair records, the first repair signature corresponding to the first repairs at the one or more memories; recording the first repair signature; receiving one or more second repair records from the one or more built-in self-testers, a second repair record describing a second repair at a memory; generating a second repair signature from the one or more second repair records, the second repair signature corresponding to the second repairs at the one or more memories; comparing the second repair signature with the first repair signature; and evaluating the device in response to the comparison.