March U

van de Goor, A.J.; Gaydadjiev, G.

March U

A test for unlinked memory faults

Journal article (1997)

Authors

A.J. van de Goor Computer Engineering -

G. Gaydadjiev Computer Engineering -

Research Group

Computer Engineering () (TU Delft)

March tests Fault model Disturb fault Memory faillis Memory tests Simple faults

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Published Date

1997

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Quantum & Computer Engineering

Research Group

Computer Engineering

Abstract

Short and efficient memory tests is the goal of every test designer. To reduce the cost of production tests, often a simple test which covers most of the faults, e.g. all simple (unlinked) faults, is desirable to eliminate most defective parts; a more costly test can be used thereafter to eliminate the remainder of the bad parts. Such a test-cost efficient approach is used by most manufacturers. In addition, system power-on tests are not allowed a long test time while a high fault coverage is desirable. The authors propose a new realistic fault model (the disturb fault model), and a set of tests for unlinked faults. These tests have the property of covering all simple (unlinked) faults at a very reasonable test time compared with existing tests.