Logic design principles with emphasis on testable semicustom circuits
Logic design principles with emphasis on testable semicustom circuits
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This paper describes a built-in test (BIT) block compiler, integrated into VLSI Technology's set of design tools. One module of the BIT compiler generates both a structural description and a behavorial simulation model for pseudo-random pattern generators and signature analyzers, based on a linear feedback shift register (LFSR) technique. The details of this module and a technique for merging the built-in test into a complete ASIC test program are shown.