White Horse Laboratories Week 4 Counterfeit Detection Report

White Horse Laboratories Week 4 Counterfeit Detection ReportThe fourth week of 2013 saw a pleasant jump in inspection yields, while test yields continued to erode for the third consecutive week.

Inspection yields lept to 85% in Week 4 from 63% in Week 3. Electrical Testing yields fell again to 68% in Week 4 from Week 3′s 74%. See below for this week’s listing of substandard parts. Most failures arose from damage and degradation caused by previous use.

Inspection Accept 84%  Electrical Testing Pass 68%

Week 4 Quality Report Substandard Part Listing

Cirrus Logic CS5504-BS (Date Codes 0409, 0417,  and 0505) – 7.3% Failure Rate - Digital data 0×0 at Half-Scale (1.25V).

Harris HD1-6409-9 (Date Code 0505) – 12.8% Failure Rate – Short pins and bad protectivde diodes.

NEC UPD70320L-8V25 (Date Codes 0415 and 0438) – 12% Failure Rate – Signal Distortion.

Xilinx  XC9536-5VQG44C (Date Code 1041) – 30.36% Failure Rate- Program error.

Texas Instruments TPS5450DDAR (Date Code not marked or labeled ) - 17.05% Failure Rate – Mixed failure modes of PH-Vin short-circuit, PH-GND short-circuit, and no output.

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