A Specific Test Methodology for Symmetric SRAM-Based FPGAs

  • Authors:
  • Michel Renovell

  • Affiliations:
  • -

  • Venue:
  • FPL '00 Proceedings of the The Roadmap to Reconfigurable Computing, 10th International Workshop on Field-Programmable Logic and Applications
  • Year:
  • 2000

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Abstract

This paper describes a test methodology for symmetric SRAM-based FPGAs. From a fundamental point of view, a test methodology for FPGAs differs from the test methodology for ASICs mainly due to the configurability of such flexible devices. In the paper, the FPGA architecture is first analyzed identifying the test problems specific to FPGAs as well as the test properties. This architecture is divided into different architectural elements such as the logic cells, the interconnect cells and the RAM cells. For each architectural element appropriated fault models are proposed, and test configurations and test vectors are derived targeting the proposed fault models.