Cache resident self testing on passive loopback board

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dc.contributor.committeeChair Nutter , Brian
dc.contributor.committeeMember Gale , Richard Electrical and Computer Engineering Electrical Engineering Texas Tech University Masters Master of Science in Electrical Engineering
dc.rights.availability Unrestricted .
dc.creator Pakala , Pavan 2014 -06 -06T20 :13 :06Z 2012 -06 -01T15 :24 :09Z 2014 -06 -06T20 :13 :06Z 2011 -08
dc.identifier.uri http : / /hdl .handle .net /2346 /ETD -TTU -2011 -08 -1788
dc.description.abstract Testing of devices is an important factor in the semiconductor industry . There is a constant effort by major semiconductor companies to bring down test cost and time , without compromising on the test quality . Implementation of built in self test techniques (BIST ) are required , especially for complex components like microprocessors . Several challenges are associated with development of BIST techniques and development of such techniques on the ATE is time consuming . This thesis project is an attempt to address the challenges associated with development of a certain BIST , called cache resident self testing (CReST ) , developed at AMD [5] . In CReST , test vectors are loaded into the cache of the microprocessor , and the processor is used to test itself . In this work , high speed IO links in the processor are tested . The device under test is an AMD processor with a G34 package , having four HyperTransport links . The work includes debugging an engineering device interface board (DIB ) , developed to implement the loopback test , avoiding certain tester channels . This passive loopback DIB gives better performance and is expected to be used in production testing soon . A comparison of the loopback and the production DIB is presented . Also the aspects of loopback testing and principles of CReST are discussed , along with an overview of the ATE used for this process
dc.format.mimetype application /pdf
dc.language.iso eng
dc.subject Cache , Testing , Microprocessor
dc.title Cache resident self testing on passive loopback board
dc.type Thesis


Cache resident self testing on passive loopback board. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /ETD -TTU -2011 -08 -1788 .

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