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14th IEEE VLSI Test Symposium (VTS '96)
Bridging fault coverage improvement by power supply control
Princeton, NJ
April 28-May 01
ISBN: 0-8186-7304-4
M. Renovell, Lab. d'Inf., Robotique et Microelectron., Univ. des Sci. et Tech. du Languedoc, Montpellier, France
P. Huc, Lab. d'Inf., Robotique et Microelectron., Univ. des Sci. et Tech. du Languedoc, Montpellier, France
Y. Bertrand, Lab. d'Inf., Robotique et Microelectron., Univ. des Sci. et Tech. du Languedoc, Montpellier, France
This paper analyses the impact of the power supply voltage on the logical behavior of resistive Bridging Fault. It is theoretically demonstrated that the interval of resistance corresponding to the appearance of a faulty value exponentially increases when the power supply decreases. Using the Parametric Model specifically developed for resistive bridging faults, results of parametric bridging faults simulations on benchmark circuits clearly show an improvement of about 40% when a lower-than-normal power supply is used. Moreover this bridging fault coverage improvement technique doesn't need any additional effort such as Design for Testability or specific Test Pattern Generation.
Index Terms:
fault diagnosis; logic testing; VLSI; integrated circuit testing; automatic testing; bridging fault coverage; power supply control; resistance interval; faulty value; parametric model; benchmark circuits; VLSI; logic circuits
Citation:
M. Renovell, P. Huc, Y. Bertrand, "Bridging fault coverage improvement by power supply control," vts, pp.338, 14th IEEE VLSI Test Symposium (VTS '96), 1996
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