Timing failure analysis in a semiconductor device having a pipelined architecture

A method of testing a semiconductor device having a pipelined architecture. Operation of a first pipeline stage of the semiconductor is disabled during a first pipelined operation to establish test data at an input of a second pipeline stage of the semiconductor device. A second pipelined operation...

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Hauptverfasser: Iyengar, Vinay, Nataraj, Bindiganavale S
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of testing a semiconductor device having a pipelined architecture. Operation of a first pipeline stage of the semiconductor is disabled during a first pipelined operation to establish test data at an input of a second pipeline stage of the semiconductor device. A second pipelined operation is executed to enable the second pipeline stage to generate an intermediate result using the test data. A final result of the second pipelined operation is evaluated to determine whether the second pipeline stage produced a correct intermediate result.