Presentation 2007-11-21
Thermal-Aware Test Scheduling with Cycle-Accurate Power Profiles and Test Partitioning
Thomas Edison YU, Tomokazu YONEDA, Krishnendu CHAKRABARTY, Hideo FUJIWARA,
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Abstract(in English) Higher power densities and the non-linear spatial distribution of heat of VLSI chips put greater emphasis on chip-packaging and temperature control during test. For system-on-chips, power-based scheduling algorithms are used to optimize tests while satisfying power budgets. However, it has been shown that power-constrained test scheduling does not ensure thermal safety due to the non-uniform power distribution across the chip. In this paper, we present a test schedule optimization method for system-on-chips using cycle-accurate power profiles for thermal simulation, test partitioning, and interleaving that ensures thermal safety while still optimizing the test schedule. Our method uses a simplified thermal-cost model and bin-packing algorithm to ensure that the maximum temperatures of SoCs with fixed TAM and core assignments satisfy the temperature constraints with minimum increases in test application time.
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Keyword(in English) SoC test / thermal constraint / wrapper design / TAM design / test scheduling
Paper # VLD2007-84,DC2007-39
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Committee DC
Conference Date 2007/11/14(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Thermal-Aware Test Scheduling with Cycle-Accurate Power Profiles and Test Partitioning
Sub Title (in English)
Keyword(1) SoC test
Keyword(2) thermal constraint
Keyword(3) wrapper design
Keyword(4) TAM design
Keyword(5) test scheduling
1st Author's Name Thomas Edison YU
1st Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology()
2nd Author's Name Tomokazu YONEDA
2nd Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology
3rd Author's Name Krishnendu CHAKRABARTY
3rd Author's Affiliation Electrical and Computer Engineering, Duke University
4th Author's Name Hideo FUJIWARA
4th Author's Affiliation Graduate School of Information Science, Nara Institute of Science and Technology
Date 2007-11-21
Paper # VLD2007-84,DC2007-39
Volume (vol) vol.107
Number (no) 338
Page pp.pp.-
#Pages 6
Date of Issue