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ABSTRACT
A novel Built-In Self-Test (BIST) approach to test the configurable Input/Output buffers in Xilinx Virtex series FPGAs using Hard Macro has been proposed in this paper. The proposed approach can completely detects single and multiple stuck-at gate-level faults as well as associated routing resources in I/O buffers. The proposed BIST architecture has been successfully implemented and verified on Xilinx Virtex series FPGA. Only total of eight configurations are required to completely built-in self test of the I/O buffers in Virtex series FPGA. INDEX TERMS
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