FPGA test time reduction through a novel interconnect testing scheme
FPGA '02 Proceedings of the 2002 ACM/SIGDA tenth international symposium on Field-programmable gate arrays
A Novel EDA Tool for VLSI Test Vectors Management
Journal of Electronic Testing: Theory and Applications
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For current VLSI designs, there are two kinds of well-accepted digital testing technologies. One is for embedded memories and the other is for the logic. For embedded memories, Built-In-Self-Test (BIST) is used. For the logic, the main solutions are based on scan DFT and automatic test pattern generation (ATPG). However, to reduce the need to use an external tester, and to ease test reuse at the system level, more designs are using BIST to test logic. In the future, with system on chip (SoC) requirements and deep Sub-Micron (DSM) technologies, we believe that BIST and scan-based ATPG will continue to be the main solutions to VLSI testing. However, to be successful, some improvements are needed. The author discusses future trends in three categories: test quality, test application cost and test development effort.