PAGE 1 OF 6 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-MEGA163 RELIABILITY DATA - 150°C RETENTION BAKE (PLASTIC) - 125°C DYNAMIC LIFETEST (PLASTIC) - 131°C/85% RELATIVE HUMIDITY HAST TEST - EXTENDED TEMPERATURE CYCLE - 121°C/15PSG PRESSURE POT TEST JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 6 AT-MEGA163 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE SAMPLE SIZE TOTAL CKT HOURS (K) NUMBER OF FAILURES 0H0056 0H0035 300 300.0 0 0H0059 0H0035 300 300.0 0 0H0061 0H0035 300 300.0 0 0J1744 0J0102 50 50.0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 950,000 DEVICE HOURS λ = 0.07% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.001% PER 1,000 HOURS (11 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.001% PER 1,000 HOURS 60% CONFIDENCE (14 FITS) 90 = 0.004% PER 1,000 HOURS 90% CONFIDENCE (35 FITS) PAGE 3 OF 6 AT-MEGA163 PLASTIC PACKAGE 125°C DYNAMIC LIFETEST LOT NUMBER DATE CODE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (168) (500) (1000) 0H0056 0H0035 100 0 0 0 0H0059 0H0035 78 0 0 0 0J1744 0J0102 100 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 278,000 DEVICE HOURS λ = 0.4% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.004% PER 1,000 HOURS (36 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.005% PER 1,000 HOURS 60% CONFIDENCE (47FITS) 90 = 0.01% PER 1,000 HOURS 90% CONFIDENCE (119 FITS) PAGE 4 OF 6 AT-MEGA163 PLASTIC PACKAGE 131°C/85% RELATIVE HUMIDITY HAST TEST LOT NUMBER DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (100) 0J1744 OJ0102 44 TQFP 50 0 PAGE 5 OF 6 AT-MEGA163 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLE -65°C to +150°C TSOP/PLCC/SOIC/PDIP -55°C to +125°C CBGA DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF CYCLES NUMBER OF FAILURES 0J0102 44 TQFP 50 1000 0 2H0316 44 TQFP 50 1000 0 PAGE 6 OF 6 AT-MEGA163 PLASTIC PACKAGE 121°C/15PSG PRESSURE POT TEST DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (24) (48) (72) (96) 0J0102 44 TQFP 46 0 0 0 0 2H0316 44 TQFP 50 0 0 0 0