PAGE 1 OF 6 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-27C2048 CMOS EPROM RELIABILITY DATA - 150°C RETENTION BAKE (PLASTIC) - EXTENDED THERMAL SHOCK - EXTENDED TEMPERATURE CYCLE - 85°C/85% RETENTION HUMIDITY OPERATING LIFE TEST - 15 PSIG PRESSURE POT * This report was generated from AT-27C2048 reliability testing. This data is applicable to the following device types due to same technology grouping as defined in MIL-M-38535 Appendix A: JANUARY 2005 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 6 AT-27C2048 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE SAMPLE SIZE HOURS TO FAILURES 24 168 500 1000 6B1924 6B9633 250 0 0 0 0 7A0378-2 7A9819 100 0 0 0 0 7A0378-4 7A9821 100 0 0 0 0 7A0256-1 7A9827 99 0 0 0 0 9C4099-1 9C9953 250 0 0 0 0 1A3390 1A0126 250 0 0 0 0 2G1017 2G0212 250 0 0 0 0 4G4921-1 4G0431 500 0 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 1,699,000 DEVICE HOURS λ = 0.04% PER 1000 HOURS λ EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF O.5eV = 0.0006% PER 1,000 HOURS (6 FITS) 50°C AMBIENT CONFIDENCE ESTIMATE λ λ 60 = 0.0008% PER 1000 HOURS 60% CONFIDENCE (8 FITS) 90 = 0.002% PER 1000 HOURS 90% CONFIDENCE (19 FITS) PAGE 3 OF 6 AT-27C2048 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 CYCLE NUMBER OF FAILURES 6B9633 44 PLCC 100 1000 0 7D9803 44 PLCC 50 1000 0 7A9815 40 PDIP 50 1000 0 7A9827 44 PLCC 50 1000 0 7A9819 44 PLCC 100 1000 0 7A9819 40 VSOP 50 1000 0 7A9820 40 VSOP 50 1000 0 9C9953 40 PDIP 100 1000 1A0126 44 PLCC 100 1000 0 2G0229 44 PLCC 100 1000 0 0 PAGE 4 OF 6 AT-27C2048 PLASTIC PACKAGE EXTENDED THERMAL SHOCK -55°C TO +125°C DATE CODE PKG TYPE 6B9633 44 PLCC SAMPLE SIZE 100 NUMBER OF CYCLES 1000 NUMBER OF FAILURES 0 PAGE 5 OF 6 AT-27C2048 PLASTIC PACKAGE 85°C/85% RELATIVE HUMIDITY OPERATING LIFE TEST LOT NUMBER DATE CODE PKG TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (168) 6B1924 6B9633 44 PLCC 54 0 (500) 0 (1000) 0 PAGE 6 OF 6 AT-27C2048 PLASTIC PACKAGE PRESSURE POT TEST DATE CODE PKG TYPE SAMPLE SIZE HOURS T0 FAILURES (24) (48) (72) (96) 6D9803 44 PLCC 50 0 0 0 0 7A9815 40 PDIP 50 0 0 0 0 7A9819 40 VSOP 50 0 0 0 0 7A9827 44 PLCC 50 0 0 0 0 7A9819 44 PLCC 100 0 0 0 0 9C9953 40 PDIP 98 0 0 0 1A0126 44 PLCC 100 0 0 0 0 2G1017 44 PLCC 100 0 0 0 0 4G0431 40 VSOP 100 0 0 0 0 0