PAGE 1 OF 7 ATMEL CORPORATION Tel:(408)441-0311 Fax:(408)436-4200 AT-27C516 CMOS EPROM RELIABILITY DATA* - 125°C DYNAMIC OPERATING LIFE TEST (PLASTIC) - 150°C RETENTION BAKE (PLASTIC) - 15 PSIG PRESSURE POT - 85°C/85% RELATIVE HUMIDITY OPERATING LIFE TEST - EXTENDED TEMPERATURE CYCLE - EXTENDED THERMAL SHOCK * This report was generated from AT-27C516 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-27C1024 JULY 2003 2325 Orchard Parkway San Jose CA. 95131 PAGE 2 OF 7 AT-27C516 PLASTIC PACKAGE 125°C DYNAMIC OPERATING LIFE TEST LOT NUMBER FAILURES DATE CODE SAMPLE SIZE TOTAL CKT-HRS(K) 4D2099B 4D9508 79 79.0 0 5A0753 5A9513 200 200.0 0 6B1420A 6B9631 135 135.0 0 6B2933AB 6B9634 132 132.0 0 7H3002B 7H9841 100 100.0 NUMBER OF 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 646,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.1% PER 1000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF O.5eV = 0.004% PER 1,000 HOURS (36 FITS) 60 = 0.005% PER 1000 HOURS 60% CONFIDENCE (48 FITS) 90 = 0.01% PER 1000 HOURS 90% CONFIDENCE (121 FITS) PAGE 3 OF 7 AT-27C516 PLASTIC PACKAGE 150°C RETENTION BAKE LOT NUMBER 1000 DATE CODE SAMPLE SIZE 4D2099B 0 4D9508 78 0 0 0 5A0753 0 5A9513 103 0 0 0 5A3121 0 5D9611 79 0 0 0 5D3121-1 0 5D9611 79 0 0 0 6B2933B 0 6B9634 432 0 0 0 6C2055A 0 6C9639 289 0 0 0 6C2300 0 6C9650 243 0 0 0 7H3002B 7H9841 24 100 0 HOURS TO FAILURES 168 500 0 0 0 FAILURE RATE TOTAL DEVICE HOURS BEST ESTIMATE 1,245,000 DEVICE HOURS λ 50°C AMBIENT λ CONFIDENCE ESTIMATE λ λ = 0.06% PER 1000 HOURS EXTRAPOLATION TO 50°C VIA ARRHENNIUS EQUATION AND ACTIVATION ENERGY OF O.5eV = 0.002% PER 1,000 HOURS (21 FITS) 60 = 0.002% PER 1000 HOURS 60% CONFIDENCE (27 FITS) 90 = 0.007% PER 1000 HOURS 90% CONFIDENCE (61 FITS) PAGE 4 OF 7 AT-27C516 PLASTIC PACKAGE 85°C/85% RELATIVE HUMIDITY OPERATING LIFE TEST LOT FAILURES NUMBER HOURS DATE CODE PACKAGE SIZE SAMPLE SIZE NUMBER OF AT INDICATED (168) (500) (1000) 4D2099B 4D9508 44 54 0 0 6C2055A 6C9639 44 54 0 0 0 0 PAGE 5 OF 7 AT-27C516 PRESSURE POT TEST NUMBER OF FAILURES DATE CODE PACKAGE TYPE SAMPLE SIZE AT INDICATED HOURS (24) (48) (72) (96) 4D9508 0 44 PLCC 123 0 0 0 5A9513 44 PLCC 77 0 0 0 0 6B9631 44 PLCC 132 0 0 0 0 6B9634 44 PLCC 660 0 0 0 0 7H9841 44 PLCC 50 0 0 0 0 PAGE 6 OF 7 AT-27C516 PLASTIC PACKAGE EXTENDED TEMPERATURE CYCLE -65°C to 150°C PLCC/TSOP/SOIC/PDIP DATE CODE FAILURES PACKAGE TYPE SAMPLE SIZE NUMBER OF CYCLES NUMBER OF 6C9639 44 PLCC 200 1000 0 6C9640 44 PLCC 100 1000 0 7D9833 44 PLCC 7H9841 44PLCC 100 1000 0 50 1000 0 PAGE 7 OF 7 AT-27C516 PLASTIC PACKAGE EXTENDED THERMAL SHOCK -55°C TO 125°C DATE CODE FAILURES PACKAGE TYPE SAMPLE SIZE NUMBER OF CYCLES NUMBER OF 6B9631 44 PLCC 77 1000 0 6C9640 44 PLCC 100 1000 0