Scan-in and Scan-out Transition Co-optimization Through Modelling Generalized Serial Transformations
Journal of Electronic Testing: Theory and Applications
System-on-Chip Test Architectures: Nanometer Design for Testability
System-on-Chip Test Architectures: Nanometer Design for Testability
Single cycle access structure for logic test
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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The random access scan (RAS) has the ability to address major problems associated with serial-scan method. A practically implementable RAS test architecture called Progressice Random Access Scan (PRAS) was introduced earlier. This paper proposes a generalized architecture for the PRAS. We show that the generalized PRAS architecture offers two orders of magnitude gains in test application time over traditional serial scan and is superior to multiple serial scan in terms of the use of tester channels.