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Week 5 Summary
The fifth week of 2013 saw a small drop in inspection yields, while test yields continued their decline for a fourth straight consecutive week.
Inspection yields dipped to 82% from Week 4's 85%. Electrical Testing yields continued to slide, landing at 65% from 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. |
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Week 5 Quality Report
Substandard Part Listing
 | | RTC4513 Cannot be Programmed - Devices had been Resurfaced and Remarked |
Xinlinx XC9572-15PC84C (Date Codes 0615 and 0629) - 16% Failure Rate -Program error and wrong ID.
Epson RTC4513 (Date Code not marked or labeled) - 100% Failure Rate - Parts cannot be programmed.
Analog Devices AD7982BRMZ (Date Code not marked or labeled) - 100% Failure Rate - Digital data of 0x20000 at Zero-scale, Half-Scale(0x800H) and Full-scale.
Cirrus Logic CS5102A-BL (Date Code 0339) - 28% Failure Rate - Short pins and bad protective diodes.
Xilinx XC4020E-4HQ208I (Date Code 1015) - 7% Failure Rate - Program cannot be loaded through bitstream via JTAG and PROM.
Xilinx XC4005E-4PQ100I (Date Code 1041 ) - 7% Failure Rate - Cannot load the program through bitstream via PROM and JTAG, and VCC shorted to GND.
Analog Devices AD8502ARJZ-REEL7 (Date Code 0952 ) - 100% Failure Rate - Low Voh and high Is.
Xinlinx Corporation XC95108-10PQ100C (Date Code 0629) - 9% Failure Rate - Program error and wrong ID.
Analog Devices MAT02-FH (Date Codes 0424 and 0436)- 6% Failure Rate - Internal transistors open circuit and high Ices.
Cirrus Logic CS3301A-ISZ (Date Code 0752) - 7% Failure Rate - Distorted and uncharacteristic output waveforms. |
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