PAGE 1 OF 7 ATMEL CORPORATION Tel: (408) 441-0311 Fax: (408) 436-4200 AT-90S1200 RELIABILITY DATA* - 15 PSIG PRESSURE POT - 150°C RETENTION BAKE (PLASTIC) - 125°C DYNAMIC OPERATING LIFE TEST (PLASTIC) - EXTENDED TEMPERATURE CYCLE - EXTENDED THERMAL SHOCK - 131°C/85% RELATIVE HUMIDITY HAST TEST * This report was generated from AT90S1200 reliability testing. This data is applicable to the following device types due to same technology grouping as defined in MIL-M-38535 Appendix A: JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 7 AT-90S1200 PLASTIC PACKAGE 125°C DYNAMIC OPERATING LIFE TEST LOT NUMBER DATE CODE 7B2599 7B9737 SAMPLE SIZE TOTAL CKT-HRS(K) 77 NUMBER OF FAILURES 77.0 0 FAILURE RATE TOAL DEVICE HOURS BEST ESTIMATE 77,000 DEVICE HOURS λ = 0.9% PER 1,000 HOURS λ EXTRAPOLATION TO 50°C.VIA ARREHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.031% PER 1,000 HOURS (305 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.041% PER 1,000 HOURS 60% CONFIDENCE (405 FITS) 90 = 0.1% PER 1,000 HOURS 90% CONFIDENCE (1013 FITS) PAGE 3 OF 7 AT-90S1200 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE SAMPLE SIZE 24 HOURS TO FAILURES 168 500 1000 7B2599 7B9737 101 0 0 0 0 7D1946 7D9838 50 0 0 0 0 8A1552-1 8A9840 100 0 0 0 0 9B0858-1 9B9927 50 0 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 301,000 DEVICE HOURS λ = 0.2% PER 1000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.003% PER 1,000 HOURS (33 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.004% PER 1000 HOURS 60% CONFIDENCE (44 FITS) 90 = 0.01% PER 1000 HOURS 90% CONFIDENCE (109 FITS) PAGE 4 OF 7 AT-90S1200 PLASTIC PACKAGE PRESSURE POT TEST DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (24) 7B9737 20 PDIP 122 (48) 0 (72) 0 (96) 0 0 7D9838 20 PDIP 50 0 0 0 0 8A9840 20 PDIP 50 0 0 0 0 9B9920 20 PDIP 50 0 0 0 0 PAGE 5 OF 7 AT-90S1200 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 7B9737 20 PDIP 77 NUMBER OF CYCLES NUMBER OF FAILURES 1000 0 7D9838 20 PDIP 77 1000 0 8A9840 20 PDIP 50 1000 0 9B9927 20 PDIP 50 1000 0 PAGE 6 OF 7 AT-90S1200 PLASTIC PACKAGE EXTENDED THERMAL SHOCK -55°C TO +125°C DATE CODE 7B9737 PACKAGE TYPE 20 PDIP SAMPLE SIZE 77 NUMBER OF CYCLES 1000 NUMBER OF FAILURES 0 PAGE 7 OF 7 AT-90S1200 PLASTIC PACKAGE 131°C/85% RELATIVE HUMIDITY HAST TEST LOT NUMBER DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF HOURS NUMBER OF FAILURES 7D1946 7D9838 20 PDIP 50 100 0 8A1552-1 8A9840 20 PDIP 50 100 0