Test Compression for IP Core Testing with Reconfigurable Network and Fixing-Flipping Coding

  • Authors:
  • Kazuteru Namba;Yoshikazu Matsui;Hideo Ito

  • Affiliations:
  • Graduate School of Advanced Integration Science, Chiba University, Chiba, Japan 263-8522;Graduate School of Science and Technology, Chiba University, Chiba, Japan 263-8522;Graduate School of Advanced Integration Science, Chiba University, Chiba, Japan 263-8522

  • Venue:
  • Journal of Electronic Testing: Theory and Applications
  • Year:
  • 2009

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Abstract

This paper proposes a class of test compression for IP (intellectual property) core testing. The proposed compression requires only test cubes for the IP cores and it dose not require the structural information about the IP cores. It uses both a reconfigurable network and classes of coding, namely fixing-flipping coding and fixing-shifting-flipping coding. The proposed compression is evaluated from the viewpoint of compression rates and hardware overhead. For three out of four large ISCAS89 benchmark circuits, the compression rates of the proposed compression are better than those of the four existing test compressions.