PAGE 1 OF 7 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-27BV040 EPROM RELIABILITY DATA - 125°C OPERATING LIFE TEST (PLASTIC) - 150°C RETENTION BAKE (PLASTIC) - 85°C/85% RELATIVE HUMIDITY OPERATING LIFE TEST - 15 PSIG PRESSURE POT - EXTENDED TEMPERATURE CYCLING - EXTENDED THERMAL SHOCK * This report was generated from AT-27BV040 reliability testing. This data is applicable to the following device types due to same technology grouping as defined in MIL-M-38535 Appendix A: AT-27BV010 AT-27BV020 JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 7 AT-27BV040 PLASTIC PACKAGE 125°C DYNAMIC OPERATING LIFE TEST LOT NUMBER DATE CODE 4C2309 4C9504 5A1214 5A9521 5A2276 5A9525 5B0951 5B9538 5B0302 5B9538 5C2056 5C9603 6A1001 6A9611 6A1001A 6A9614 6A2120 6A9618 6A2119 6A9618 5C0299/0300 6A9541 6A1003 6A9617 6A1002-2 6A9617 6A1002M-3 6A9617 6A1001A-1 6A9614 6A1001A 6A9614 6B0334 6B9626 6A2117 6A9618 6B0334 6B9626 6B1111 6B9651 7A0672-1 7A9720 7A0672-2 7A9720 7B1741-1 7B9730 7D3480-1 7D9812 7B3855 7B9737 8B0680 8B9825 0C3822 0C0101 1B2102 1B0131 SAMPLE SIZE 75 74 76 92 78 153 98 400 250 256 17 100 100 80 200 200 253 256 253 250 250 80 200 100 248 252 250 250 75.0 74.0 76.0 92.0 78.0 153.0 98.0 400.0 250.0 256.0 17.0 100.0 100.0 80.0 200.0 200.0 253.0 256.0 253.0 250.0 250.0 80.0 200.0 100.0 248.0 252.0 250.0 250.0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE NUMBER OF FAILURES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4,531,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE TOTAL CKT-HRS(K) λ λ = 0.01% PER 1000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF O.5eV = 0.0005% PER 1,000 HOURS (5 FITS) 60 = 0.001% PER 1000 HOURS 60% CONFIDENCE (7 FITS) 90 = 0.002% PER 1000 HOURS 90% CONFIDENCE (17 FITS) PAGE 3 OF 7 AT-27BV040 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER 4C2309 5A1214 5A2276 5B0951 5C0302 6A2120 6B0334 6D1743-1 7A0672-2 7B1741-1 7D3480-1 7B3855 8B0680 0C3822 1B2102 DATE CODE 4C9504 5A9521 5A9525 5B9538 5C9538 6A9618 6B9649 6D9814 7A9720 7B9723 7D9812 7B9739 8B9825 0C0101 1B0131 SAMPLE SIZE 66 76 76 92 149 199 262 100 93 204 294 250 500 250 500 HOURS TO FAILURES (168) (500) (1000) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 3,111,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.02% PER 1000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF O.5eV = 0.0003% PER 1,000 HOURS (3 FITS) 60 = 0.0004% PER 1000 HOURS 60% CONFIDENCE (4 FITS) 90 = 0.001% PER 1000 HOURS 90% CONFIDENCE (11 FITS) PAGE 4 OF 7 AT-27BV040 PLASTIC PACKAGE 85°C/85% RELATIVE HUMIDITY OPERATING LIFE TEST LOT NUMBER 5A1215 5B0951 5C0299/0300 6A1492 6B0334 6B1111A 7A0672-1 DATE CODE 5A9522 5B9538 5C9541 6A9647 6B9649 6B9651 7A9720 PACKAGE TYPE 32 32 32 32 32 32 32 PLCC TSOP TSOP PLCC PLCC PLCC PLCC SAMPLE SIZE 36 76 19 36 36 36 63 NUMBER OF FAILURES AT INDICATED HOURS (168) (500) (1000) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PAGE 5 OF 7 AT-27BV040 PLASTIC PACKAGE PRESSURE POT TEST DATE CODE PACKAGE TYPE 5C9504 5A9525 5B9538 5B9532 5B9532 6A9617 6A9614 6A9618 6B9626 6B9649 7A0720 7B9723 7D9812 8B9825 0C0101 1B2102 32 PLCC 32 TSOP 32 TSOP 32 TSOP 32 TSOP 32 PLCC 32 TSOP 32 TSOP 32 PLCC 32 PLCC 32 PLCC 32 PLCC 32 PLCC 32 PLCC 32 PLCC 32 TSOP SAMPLE SIZE 44 199 199 45 45 45 77 132 132 100 177 100 50 100 100 100 NUMBER OF FAILURES AT INDICATED HOURS (24) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (48) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (72) (96) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PAGE 6 OF 7 AT-27BV040 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLING -65°C to +150°C PLCC/TSOP/SOIC/PDIP -55°C to +125°C CBGA DATE FAILURES CODE HOURS PACKAGE TYPE SAMPLE NUMBER SIZE OF CYCLE NUMBER OF AT INDICATED 5F9525 32 TSOP 77 1000 0 5B9538 32 TSOP 45 1000 0 6A1002-2 32 TSOP 77 1000 0 6D1743-1 32 TSOP 50 1000 0 7A9720 32 PLCC 254 1000 0 8B9825 32 PLCC 100 1000 0 0C0101 32 PLCC 100 1000 0 1B0131 32 TSOP 100 1000 0 PAGE 7 OF 7 AT-27BV040 PLASTIC PACKAGE EXTENDED THERMAL SHOCK -55°C TO +125°C DATE FAILURES CODE HOURS PACKAGE TYPE SAMPLE NUMBER SIZE OF CYCLE NUMBER OF AT INDICATED 5F9525 32 TSOP 45 1000 0 5B9538 32 TSOP 45 1000 0 6B9649 32 PLCC 100 1000 0 6B9651 32 PLCC 100 1000 0 7A9720 32 PLCC 254 1000 0