PAGE 1 OF 5 ATMEL CORPORATION 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 PAGE 2 OF 5 AT-89S8252 PLASTIC PACKAGE 125°C DYNAMIC LIFETEST LOT NUMBER DATE CODE SAMPLE SIZE TOTAL NUMBER HOURS (K) NUMBER OF FAILURES 8A1867-1 8A9841 100 100.0 0 9B0070 9B9925 100 100.0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 200,000 DEVICE HOURS λ = 0.4% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.01% PER 1,000 HOURS (111 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.01% PER 60% CONFIDENCE 90 = 0.04% PER 90% CONFIDENCE 1,000 HOURS (154 FITS) 1,000 HOURS (390 FITS) PAGE 3 OF 5 AT-89S8252 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE SAMPLE SIZE TOTAL NUMBER HOURS (K) NUMBER OF FAILURES 8A1867-1 8A9841 100 100.0 0 9B0070 9B9925 50 50.0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 150,000 DEVICE HOURS λ = 0.7% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.01% PER 1,000 HOURS (98 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.01% PER 60% CONFIDENCE 90 = 0.03% PER 90% CONFIDENCE 1,000 HOURS (131 FITS) 1,000 HOURS (326 FITS) PAGE 4 OF 5 AT-89S8252 PLASTIC PACKAGE 121°C/15PSG PRESSURE POT TEST DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (24) 9B9925 44 PLCC 50 0 (48) (72) 0 0 (96) 0 PAGE 5 OF 5 AT-89S8252 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLE -65°C to +150°C PLCC/TSOP/SOIC/PDIP -55°C to +125°c CBGA DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF CYCLES NUMBER OF FAILURES 8A9841 44 PLCC 50 1000 0 9A9925 44 PLCC 50 1000 0