Abstract:A well-known source of trouble during iddq or digital testing in production is the so-called HiZ-problem. Pattern generation tools set the ATE drivers connected to digital I or I/O DUT pins which are not supposed to have any influence on the test result to high-impedance. Thus the state of these pins during testing is not clearly defined which often leads to correlation issues. A similar problem exists for DC input pins of Power Management devices which are left undefined during testing. This paper explains th… Show more
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