PAGE 1 OF 4 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-27BV1024 CMOS EPROM RELIABILITY DATA - 150°C RETENTION BAKE (PLASTIC) - 125°C DYNAMIC LIFETEST (PLASTIC) - EXTENDED TEMPERATURE CYCLE JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 4 AT-27BV1024 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER DATE CODE PKG TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (168) (500) (1000) 7D1192-1 7D9812 44 VSOP 243 0 0 0 9E0214B2 9E9926 44 PLCC 100 0 0 0 9G0315 9G9945 44 PLCC 250 0 0 0 9G0314-2 9G0023 44 PLCC 100 0 0 0 0D1438 0D0102 44 PLCC 250 0 0 0 1C1096 1C0202 40 VSOP 250 0 0 0 2E5397 2E0238 44 PLCC 500 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 1,693,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.04% PER 1,000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.0006% PER 1,000 HOURS (6 FITS) 60 = 0.0008% PER 1,000 HOURS 60% CONFIDENCE (8 FITS) 90 = 0.002% PER 1,000 HOURS 90% CONFIDENCE (19 FITS) PAGE 3 OF 4 AT-27BV1024 PLASTIC PACKAGE 125°C DYNAMIC LIFETEST LOT NUMBER DATE CODE PKG TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (168) (500) (1000) 9G0315 9G9926 44 PLCC 250 0 0 0 9G0314-2 9G0023 44 PLCC 200 0 0 0 0D1438 0D0102 44 PLCC 250 0 0 0 1C1096 1C0202 40 VSOP 249 0 0 0 2E5397 2E0238 44 PLCC 250 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 1,199,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.06% PER 1,000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.002% PER 1,000 HOURS (19 FITS) 60 = 0.002% PER 1,000 HOURS 60% CONFIDENCE (26 FITS) 90 = 0.006% PER 1,000 HOURS 90% CONFIDENCE (65 FITS) PAGE 4 OF 4 AT-27BV1024 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLE -55°C to +125°C CBGA -65°C to +150°C PLCC/TSOP/SOIC/PDIP DATE CODE PKG TYPE SAMPLE SIZE NUMBER OF CYCLES NUMBER OF FAILURES 7D9812 44 VSOP 100 1000 0 9E9926 44 PLCC 50 1000 0 9G0023 44 PLCC 50 1000 0 0D0102 44 PLCC 100 1000 0 1C0202 40 VSOP 100 1000 0 2E0238 44 PLCC 100 1000 0