1. Introduction - Laboratory for Reliable Computing

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Embedded Memory Testing• Embedded memory testing is increasingly difficult− High bandwidth (speed and I/O data width)− Heterogeneity and plurality− Isolation (accessibility)− AC test, diagnostics, and repair• Test automation is required− Failure analysis, fault simulation, ATG, anddiagnostics− BIST/BIRA/BISR generationm01intro7.02 Cheng-Wen Wu, NTHU 28
Typical RAM Production FlowWaferFull Probe TestLaser RepairPackagingMarkingPost-BI TestBurn-In (BI)Pre-BI TestFinal TestVisual InspectionQA Sample TestShippingm01intro7.02 Cheng-Wen Wu, NTHU 29
Page 2 and 3: • IntroductionOutline• RAM func
Page 4 and 5: • Scope of testingOutline• Defe
Page 6 and 7: • Economics!− Product quality
Page 8 and 9: Test Cost9080706050403020100Test co
Page 10 and 11: Scope of Testing• Engineering Tes
Page 12 and 13: Fault Model and Error• Fault mode
Page 14 and 15: Testing and Fault Coverage• Testi
Page 16 and 17: Defect Level and Fault CoverageRequ
Page 18 and 19: Logic Fault Modeling: Stuck-at Faul
Page 20 and 21: Fault Diagnosis• Fault detection:
Page 22 and 23: Design for Testability (DFT)• A f
Page 24 and 25: MUX ScanxCombinationalLogicCTSIM D
Page 26 and 27: Scan-Based PS-BIST with Test Points
Page 30: Off-Line Testing of RAM• Parametr

1. Introduction - Laboratory for Reliable Computing

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