A concurrent testing method for NoC switches

  • Authors:
  • Mohammad Hosseinabady;Abbas Banaiyan;Mahdi Nazm Bojnordi;Zainalabedin Navabi

  • Affiliations:
  • University of Tehran, Tehran, Iran;University of Tehran, Tehran, Iran;University of Tehran, Tehran, Iran;University of Tehran, Tehran, Iran

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe: Proceedings
  • Year:
  • 2006

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Abstract

This paper proposes reuse of on-chip networks for testing switches in Network on Chips (NoCs). The proposed algorithm broadcasts test vectors of switches through the on-chip networks and detects faults by comparing output responses of switches with each other. This algorithm alleviates the need for: (1) external comparison of the output response of the circuit-under-test with the response of a fault free circuit stored on a tester (2) on-chip signature analysis (3) a dedicated test-bus to reach test vectors and collect their responses. Experimental results on a few test benches compare the proposed algorithm with traditional System on Chip (SoC) test methods.