PAGE 1 OF 5 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-27BV512 CMOS EPROM RELIABILITY DATA* -125°C OPERATING LIFE TEST (PLASTIC) -150°C RETENTION BAKE (PLASTIC) -15 PSIG PRESSURE POT -EXTENDED TEMPERATURE CYCLE JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 5 AT-27BV512 PLASTIC PACKAGE 125°C DYNAMIC OPERATING LIFE TEST LOT NUMBER DATE CODE SAMPLE SIZE TOTAL CKT-HRS(K) 248 NUMBER OF FAILS 7D3370-2 7D9812 248.0 0 8D0946-3 8D9901 100 100.0 0 2H1980A 2H0245 100 100.0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 448,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.2% PER 1,000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV = 0.005% PER 1,000 HOURS (53 FITS) 60 = 0.007% PER 1,000 HOURS 60% CONFIDENCE (70 FITS) 90 = 0.01% PER 1,000 HOURS 90% CONFIDENCE (174 FITS) PAGE 3 OF 5 AT-27BV512 PLASTIC PACKAGE 150°C RETENTION BAKE LOT FAILURES NUMBER HOURS DATE PKG SAMPLE CODE TYPE NUMBER OF SIZE AT INDICATED (168) (500) 0 0 (1000) 7D3370-2 7D9812 32 PLCC 250 0 8D0946-3 8D9901 28 TSOP 99 0 0 0 2E0387 2E0210 32 PLCC 50 0 0 0 2H1980A 2H0245 32 PLCC 50 0 0 0 FAILURE RATE TOTAL DEVICE HOURS 449,000 DEVICE HOURS BEST ESTIMATE λ= 0.2% PER 1,000 HOURS 50°C AMBIENT EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF 0.5eV λ= 0.002% PER 1,000 HOURS (22 FITS) CONFIDENCE ESTIMATE λ 60 = 0.003% PER 1,000 HOURS 60% CONFIDENCE (29 FITS) λ 90 = 0.007% PER 1,000 HOURS 90% CONFIDENCE (73 FITS) PAGE 4 OF 5 AT-27BV512 PLASTIC PACKAGE PRESSURE POT TEST DATE CODE PACKAGE TYPE SAMPLE SIZE NUMBER OF FAILURES AT INDICATED HOURS (24) (48) (72) (96) 7D9812 32 PLCC 100 0 0 0 0 8A9835 28 TSOP 99 0 0 0 0 8D9901 28 TSOP 50 0 0 0 0 2E0210 32 PLCC 50 0 0 0 0 2H0245 32 PLCC 50 0 0 0 0 PAGE 5 OF 5 AT-27BV512 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLING -65°C to +150°C PLCC/TSOP/SOIC/PDIP -55°C to +125°C CBGA DATE CODE PKG TYPE SAMPLE SIZE 100 NUMBER OF CYCLES NUMBER OF FAILURES 7D9812 32 PLCC 1000 0 8A9835 28 TSOP 100 1000 0 2H0245 32 PLCC 50 1000 0