Fault Scanner for Reconfigurable Logic

  • Authors:
  • Nathan R. Shnidman;William H. Mangione-Smith;Miodrag Potkonjak

  • Affiliations:
  • -;-;-

  • Venue:
  • ARVLSI '97 Proceedings of the 17th Conference on Advanced Research in VLSI (ARVLSI '97)
  • Year:
  • 1997

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Abstract

We propose a technique for online built-in self-test of Field Programmable Gate Arrays (FPGAs). The goal of this system is to detect deviations from the intended functionality of an FPGA without using special-purpose hardware, hardware external to the device, and without interrupting system operation. A system that solves these problems would be useful for mission-critical applications with resource constraints. We present here a fault detection system which solves these problems through an online fault scanning methodology. Resources internal to the device are configured to test for faults. Testing scans across an FPGA, checking a section at a time. The viability and effectiveness of such a system is supported through simulation of the system on a model FPGA.