White Horse Laboratories Weeks 27-28 Counterfeit Detection Report
Electrical Testing yields continued to increase, despite a slight dip in Week 27. Yields have improved in 3 of the past four weeks, reaching 79% in Week 28 and 74% for the period, up 8 points over the previous period’s 62%.
Nine different devices had a high failure rate in Electrical Testing, and two of those had a 100% failure rate.
Inspection results reached an all-time low in Week 27, plummeting to 21% before “recovering” to 42% in Week 28 and a 32% for the period, compared to 46% in the previous period.
Inspection Accept 32% Electrical Testing Pass 74%
Weeks 27-28 Quality Report
Substandard Part Listing
STMicroelectronics L200CH (Date Code not marked or labeled) – 6% Failure Rate - Random mix of High, Low, and No Output devices.
Infineon ADM6999X-A2-T-1-XP (
Altera EP2S180F1508I4 (Date Code 1005) – 6% Failure Rate - VCCIO shortted to GND.
Texas instruments TMS9995NL (Date Code not marked or labeled) -26% Failure Rate - Bad protective diodes.
Altera EP2S90F1020I4N (Date Code 1219) – 100% Failure Rate - No output.
Samsung Electronics CL31B106KLHNNNE (Date Code not marked or labeled) – 100% Failure Rate – No capacitance.
Altera AT91SAM7S64C-AU (Date Code 1120) – 52% Failure Rate - Can not load the program with ID error.
International Rectifier PVT312LSTPBF (Date Code 1140) – 20% Failure rate – High leakage current.