PAGE 1 OF 7 ATMEL CORPORATION Tel: (408) 441-0311 Fax: (408) 436-4200 AT-90S8515 AVR MICROCONTROLLER RELIABILITY DATA - 125°C RETENTION BAKE (PLASTIC) - 125°C DYNAMIC OPERATING LIFE TEST (PLASTIC) - 15 PSIG PRESSURE POT - EXTENDED TEMPERATURE CYCLE - 85°C/85% RELATIVE HUMIDITY OPERATING LIFETEST - 131°C/85% RELATIVE HUMIDITY HAST TEST JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 7 AT-90S8515 PLASTIC PACKAGE 125°C DYNAMIC OPERATING LIFE TEST LOT NUMBER DATE CODE SAMPLE SIZE TOTAL CKT-HRS(K) NUMBER OF FAILURES 7C3418 7C9749 100 100.0 0 0C2060 0C0031 100 100.0 0 1J3059A-1 1J0210 100 100.0 0 FAILURE RATE TOAL DEVICE HOURS BEST ESTIMATE 300,000 DEVICE HOURS λ = 0.2% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C.VIA ARREHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.008% PER 1,000 HOURS (78 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.01% PER 60% CONFIDENCE 90 = 0.03% PER 90% CONFIDENCE 1,000 HOURS (104 FITS) 1,000 HOURS (260 FITS) PAGE 3 OF 7 AT-90S8515 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE SAMPLE SIZE 24 HOURS TO FAILURES 168 500 1000 7C3418 7C9749 100 0 0 0 0 0C2060 0C0031 50 0 0 0 0 1J3059A-1 1J0210 50 0 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 200,000 DEVICE HOURS λ = 0.3% PER 1000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.005% PER 1,000 HOURS (56 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.007% PER 1000 HOURS 60% CONFIDENCE (66 FITS) 90 = 0.01% PER 1000 HOURS 90% CONFIDENCE (165 FITS) PAGE 4 OF 7 AT-90S8515 PLASTIC PACKAGE PRESSURE POT TEST DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (24) 7C9749 40 PDIP 50 (48) 0 (72) 0 (96) 0 0 0C0031 40 PDIP 50 0 0 0 0 1J0210 40 PDIP 50 0 0 0 0 PAGE 5 OF 7 AT-90S8515 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLING -65°C to +150°C PLCC/TSOP/SOIC/PDIP -55°C to +125°C CBGA DATE CODE PACKAGE TYPE SAMPLE SIZE 77 NUMBER OF CYCLES NUMBER OF FAILURES 7C9749 40 PDIP 1000 0 0C0031 40 PDIP 50 1000 0 1J0210 40 PDIP 50 1000 0 PAGE 6 OF 7 AT-90S8515 PLASTIC PACKAGE 85°C/85% RELATIVE HUMIDITY OPERATING LIFETEST LOT NUMBER DATE CODE 7C3418 7C9749 SAMPLE SIZE 50 HOURS TO FAILURES 168 500 1000 0 0 0 PAGE 7 OF 7 AT-90S8515 PLASTIC PACKAGE 131°C/85% RELATIVE HUMIDITY HAST TEST LOT NUMBER DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (100) 0C2060 1J3059A-1 0C0031 40 PDIP 50 0 1J0210 40 PDIP 50 0