9B0070

AT-89S8252 ATMEL | Alldatasheet

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Tel:(408)441-0311 Fax:(408)436-4200 AT-89S8252 FLASH RELIABILITY DATA - 125°C DYNAMIC LIFETEST (PLASTIC) - 150°C RETENTION BAKE (PLASTIC) - 121°C/15PSG PRESSSURE POT TEST - EXTENDED TEMPERATURE CYCLE JULY 2003 2325 Orchard Parkway San Jose CA. 95131

125°C DYNAMIC LIFETEST LOT DATE SAMPLE TOTAL NUMBER NUMBER OF NUMBER CODE SIZE HOURS (K) FAILURES 8A1867-1 8A9841 100 100.0 0 9B0070 9B9925 100 100.0 0 FAILURE RATE TOTAL DEVICE HOURS 200,000 DEVICE HOURS BEST ESTIMATE λ = 0.4% PER 1,000 HOURS 50°C AMBIENT EXTRAPOLATION TO 50 °C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV λ = 0.01% PER 1,000 HOURS (111 FITS) CONFIDENCE ESTIMATE λ 60 = 0.01% PER 1,000 HOURS 60% CONFIDENCE (154 FITS) λ 90 = 0.04% PER 1,000 HOURS 90% CONFIDENCE (390 FITS)

150°C RETENTION BAKE LOT DATE SAMPLE TOTAL NUMBER NUMBER OF NUMBER CODE SIZE HOURS (K) FAILURES 8A1867-1 8A9841 100 100.0 0 9B0070 9B9925 50 50.0 0 FAILURE RATE TOTAL DEVICE HOURS 150,000 DEVICE HOURS BEST ESTIMATE λ = 0.7% PER 1,000 HOURS 50°C AMBIENT EXTRAPOLATION TO 50 °C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV λ = 0.01% PER 1,000 HOURS (98 FITS) CONFIDENCE ESTIMATE λ 60 = 0.01% PER 1,000 HOURS 60% CONFIDENCE (131 FITS) λ 90 = 0.03% PER 1,000 HOURS 90% CONFIDENCE (326 FITS)

121°C/15PSG PRESSURE POT TEST DATE PACKAGE SAMPLE NUMBER OF FAILURES CODE TYPE SIZE AT INDICATED HOURS 9B9925 44 PLCC 50 0 0 0 0

EXTENDED TEMPERATURE CYCLE -65°C to +150°C PLCC/TSOP/SOIC/PDIP -55°C to +125°c CBGA DATE PACKAGE SAMPLE NUMBER OF NUMBER OF CODE TYPE SIZE CYCLES FAILURES 8A9841 44 PLCC 50 1000 0 9A9925 44 PLCC 50 1000 0