Abstract:This paper proposes a built-in self-test (BIST) scheme for detecting catastrophic faults in dynamic comparators. In this scheme, a feedback loop is designed using the characteristics of the comparator; monitoring the voltage in the feedback loop can determine the presence of a circuit fault. The proposed BIST scheme and the circuit under testing are realized at the transistor level. The proposed BIST scheme was simulated using HSPICE. The simulated fault coverage is approximately 87.8% with 90 test circuits. T… Show more
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