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Temperature-aware online testing of power-delivery TSVs | IEEE Conference Publication | IEEE Xplore

Temperature-aware online testing of power-delivery TSVs


Abstract:

A latent defect in a power-delivery TSVs in a 3D IC could cause power glitches under a heavy workload in the field and thereby leading to timing failure. In order to catc...Show More

Abstract:

A latent defect in a power-delivery TSVs in a 3D IC could cause power glitches under a heavy workload in the field and thereby leading to timing failure. In order to catch these defects before they actually strikes, on-line ring-oscillator based VDD-drop monitoring schemes have been proposed previously. However, these methods have not taken into account the effect of the temperature, which could affect their accuracy in the final VDD prediction. In this paper, we present a temperature-aware test method for power-delivery TSVs, with several features - including a process-calibration scheme and a temperature-aware worst-case VDD prediction scheme. Based on the these schemes, the pass-or-fail decision on the quality of a power-TSV can be made more accurately.
Date of Conference: 31 August 2015 - 02 September 2015
Date Added to IEEE Xplore: 23 November 2015
ISBN Information:
Conference Location: Sendai, Japan

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