Design of Routing-Constrained Low Power Scan Chains - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier Access content directly
Conference Papers Year : 2004

Design of Routing-Constrained Low Power Scan Chains

Abstract

Scan-based architectures, though widely used in modern designs, are expensive in power consumption. Recently, we proposed a technique based on clustering and reordering of scan cells that allows to design low power scan chains [1]. The main feature of this technique is that power consumption during scan testing is minimized while constraints on scan routing are satisfied. In this paper, we propose a new version of this technique. The clustering process has been modified to allow a better distribution of scan cells in each cluster and hence lead to more important power reductions. Results are provided at the end of the paper to highlight this point and show that scan design constraints (length of scan connections, congestion problems) are still satisfied.
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lirmm-00108836 , version 1 (06-10-2019)

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Yannick Bonhomme, Patrick Girard, Loïs Guiller, Christian Landrault, Serge Pravossoudovitch, et al.. Design of Routing-Constrained Low Power Scan Chains. DATE: Design, Automation and Test in Europe, Feb 2004, Paris, France. pp.62-67, ⟨10.1109/DATE.2004.1268828⟩. ⟨lirmm-00108836⟩
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