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The PARA ProjectThe PARA Projectthings really do go bump in the nightthings really do go bump in the night

Davia J. LuDavia J. Lu

names and trademarks are property of their respective ownersnames and trademarks are property of their respective owners

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Temporary Failures ExperimentTemporary Failures Experiment

CRC PARA

partners

contractorsCRC

CRC

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LegacyLegacy

[ McCluskey & Wakerly, Compcon 1981 ][ McCluskey & Wakerly, Compcon 1981 ] [ Cortes, McCluskey, et al., ISSCC 1986 ][ Cortes, McCluskey, et al., ISSCC 1986 ]

more informationmore information available on-lineavailable on-line

[ Cortes & McCluskey, ISCAS 1986 ][ Cortes & McCluskey, ISCAS 1986 ] [ Wagner & McCluskey, ICCAD 1985 ][ Wagner & McCluskey, ICCAD 1985 ]

critical paths versus power voltagecritical paths versus power voltage possible reduced speed delay testpossible reduced speed delay test citations in http://scholar.google.comcitations in http://scholar.google.com

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SpooksSpooks

Phantom PowerPhantom Power array failed at speed, worked step/slowarray failed at speed, worked step/slow outputs were weak, VCC and GND toooutputs were weak, VCC and GND too optical PCB fab cut off area under PGA!optical PCB fab cut off area under PGA! CMOS stealing power thru ESD diodes!CMOS stealing power thru ESD diodes!

Nocturnal BumpsNocturnal Bumps no errors logged during the daytime runsno errors logged during the daytime runs something hit the building power at night!something hit the building power at night!

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Off CampusOff Campus