Robust System Design - VLSI
Robust System Design - VLSI
Robust System Design - VLSI
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IFRA Principle<br />
<strong>Design</strong><br />
Phase<br />
Post-Si<br />
Validation<br />
No<br />
Insert recorders<br />
inside chip design<br />
Record special info. in<br />
recorders / Run tests<br />
Failure<br />
detected?<br />
Yes<br />
Scan out recorder<br />
contents<br />
Post-analyze offline<br />
Localized Bug: (location, stimulus)<br />
1% area cost<br />
60KB for Alpha 21264<br />
Non-intrusive<br />
No failure reproduction<br />
Single test run<br />
No system simulation<br />
Self-consistency<br />
vs. test program binary<br />
11
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