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Week 36 Summary
We saw the fourth consecutive week of improved inspection results, yielding a relatively stratospheric 92% buyer acceptance rate in Week 36, making a big jump from 71.4% in Week 35
Electrical testing yields tumbled to just over 64% in Week 36 after posting two consecutive weeks of gains, dropping from 84% in Week 35.
The leading culprits for test yields were complex programmable and processor devices. |
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Week 36 Quality Report, 2012
 | | Top-side view of MC912DG128ACPV-3K91D |
Substandard Part Listing
Xilinx XC4020E (Date Code 0515) - 9% failure - Program error.
Xilinx XC4020E-4HQ208I (Date Code 0521) - 43% failure - program error and broken pins.
Altera EP2S90F1020I4N (Date code 0949)- 71% failure - VCCINT and VCCIO shorted to GND, and cannot load program via JTAG port.
Xilinx XC4VFX100-12FFG1152C (Date code 1121) - 50% failure - VCCINT and VCCIO shorted to GND, cannot load programmed via JTAG port.
Freescale Semiconductor MC912DG128ACPV-3K91D (Date Code 0919) - 100% failure - blank-check error, can not be erased.
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