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International Test Conference 2003 (ITC'03)
Efficient Scan Chain Design for Power Minimization During Scan Testing Under Routing Constraint
Charlotte, NC, USA
September 30-October 02
ISBN: 0-7803-8107-6
Y. Bonhomme, LIRMM, Universit? Montpellier II/CNRS, France
P. Girard, LIRMM, Universit? Montpellier II/CNRS, France
L. Guiller, Synopsys Inc., Mountain View, CA
C. Landrault, LIRMM, Universit? Montpellier II/CNRS, France
S. Pravossoudovitch, LIRMM, Universit? Montpellier II/CNRS, France
Scan-based architectures, though widely used in modern designs, are expensive in power consumption. In this paper, we present a new technique that allows to design power-optimized scan chains under a given routing constraint. The proposed technique is a three-phase process based on clustering and reordering of scan cells in the design. It allows to reduce average power consumption during scan testing. Owing to this technique, short scan connections in scan chains are guaranteed and congestion problems in the design are avoided.
Citation:
Y. Bonhomme, P. Girard, L. Guiller, C. Landrault, S. Pravossoudovitch, "Efficient Scan Chain Design for Power Minimization During Scan Testing Under Routing Constraint," itc, pp.488, International Test Conference 2003 (ITC'03), 2003
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