Week 31 Quality Report

White Horse Laboratories has been publishing our Weekly Quality Reports since 2009, which are a listing of the devices that have had over 5% lot failure in electrical testing or the buyer has rejected the lot following results of inspection methods

While this list does not imply that the balance of devices within a lot are defective, and is not exhaustive (for example, a 5% failure rate may be too high or some buyers may accept devices in a physical condition that others would not), it is intended to an indicator as to what is going on in the market and is a reminder to be aware of the risks of sourcing without adequate quality control measures in place.

Week 31

Inspection Accept

65%

Electrical Testing Pass

65%

This Week in The Lab...

Week 31 Substandard Parts List

Substandard Parts Archive

White Horse Laboratories' Quality Report

Week 31 Quality Report

Substandard Parts List

Altera EP4SGX230KF40C4N (Date Code 1415) - 100% Failure Rate - Program error that cannot access JTAG chain.

Altera EP3SE260F1517I3 (Date Code 1407) - 100% Failure Rate - Program error.

National Semiconductor JM38510/10901BGA (Date Code 0514) - 6% Failure Rate - Signal distortion and no oscillation (see below).

NXP PCF8574P (Lot Code KNG14213) - 100% Failure Rate - Cannot communicate with the 12C host.

Xilinx XC4VFX40-11FFG672I (Date Code 1428) - 6% Failure Rate - Program error.

Xilinx XC9536-10VQG44C (Date Code 1237) - 14% Failure Rate - Program error.

Xilinx XC9572-10TQG100C (Date Code 1226) - 6% Failure Rate - Program error.

Crystal CS5520-BP (Date Code 445) - 66% Failure Rate - Broken protection diodes.

Intel TN80L188EB13 (Lot Code L418AC25) - 40% Failure Rate - Broken protection diodes and Pins 3, 39, and 60 were connected and they should be NC.

Texas Instruments JM38510/10901BGA Failure for Signal Distortion

Weekly Report Archives

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Substandard Parts Lists dating back to 2009

White Horse has been publishing Weekly Quality Reports since 2009. Now we open those archives to you.

Simply click on the Weekly Quality Report page on our website and then click the "View our Archive" button to see each posting from 2009 thru 2015.

We hope you find this report informative and usefull for your organization.

All the best,

Mark A. Rinehart
White Horse Laboratories

Notes:

1. Statistics are calculated as a percentage of all lots dis-positioned within the given time period.

2. "Accept" is defined as customer acceptance of report device condition.

3. "Pass" is defined as meeting electrical parameters defined by the agreed upon test plan.