Scan Latch Design for Test Applications

  • Authors:
  • Amit M. Sheth;Jacob Savir

  • Affiliations:
  • Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA. amitsheth@ieee.org;Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA. savir@njit.edu

  • Venue:
  • Journal of Electronic Testing: Theory and Applications
  • Year:
  • 2004

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Abstract

This JETTA letter describes a new single-latch scan design that uses a single clock for both scan and functional operations. A test mode signal differentiates between normal and test operations. This new design enjoys savings in circuits, pins, test time, and also enjoys the benefits of a high-speed scan capability.