E0286 â VLSI Test VLSI Test
E0286 â VLSI Test VLSI Test
E0286 â VLSI Test VLSI Test
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Cost Tradeoffs – Example 1<br />
Trade off coverage with effectiveness.<br />
Select tests based on their effectiveness.<br />
- <strong>Test</strong> A, Efficiency = 80%, Coverage = 90%.<br />
- <strong>Test</strong> B, Efficiency = 90%, Coverage = 95%.<br />
- <strong>Test</strong> C, Efficiency = 70%, Coverage = 100%.<br />
Selection of A + B is more effective than B + C.<br />
0.9*0.95 + 0.8*0.9 > 0.9*0.95 + 0.7+1.0