March SR3C: A Test for a reduced model of all static simple three-cell coupling faults in random-access memories

  • Authors:
  • Petru Caşcaval;Doina Caşcaval

  • Affiliations:
  • Department of Computer Engineering, "Gheorghe Asachi" Technical University of Iaşi, Bd. D. Mangeron, 53A, Iaşi, 700050, Romania;Department of Industrial Engineering, "Gheorghe Asachi" Technical University of Iaşi, Bd. D. Mangeron, 53A, Iaşi, 700050, Romania

  • Venue:
  • Microelectronics Journal
  • Year:
  • 2010

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Abstract

A fault primitive-based analysis of all static simple (i.e., not linked) three-cell coupling faults in nx1 random-access memories (RAMs) is discussed. All realistic static coupling faults that have been shown to exist in real designs are considered: state coupling faults, transition coupling faults, write disturb coupling faults, read destructive coupling faults, deceptive read destructive coupling faults, and incorrect read coupling faults. A new March test with 66n operations able to detect all static simple three-cell coupling faults is proposed. To compare this test with other industrial March tests, simulation results are also presented in this paper.