RELIABILITY DATA LT1508 / LT1509 / LT1612 / LT1619 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE PLASTIC DIP SOIC/SOT/MSOP 65 9539 154 0001 219 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE PLASTIC DIP SOIC/SOT/MSOP 225 501 726 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE NEWEST DATE CODE 9604 9551 0510 0409 OLDEST DATE CODE NEWEST DATE CODE 700 9604 1,705 9551 2,405 • THERMAL SHOCK FROM -65°C to +150°C SAMPLE SIZE OLDEST DATE CODE K DEVICE HOURS (1) AT +125°C 9539 0014 OLDEST DATE CODE PLASTIC DIP SOIC/SOT/MSOP PACKAGE TYPE NEWEST DATE CODE 65.16 154.00 219.16 NEWEST DATE CODE 9.00 85.42 94.42 K DEVICE CYCLES 71.60 324.26 395.86 K DEVICE CYCLES PLASTIC DIP SOIC/SOT/MSOP 50 0522 0522 349 9814 0409 399 (1) Assumes Activation Energy = 1.0 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 8.39 FITS (3) Mean Time Between Failures in Years = 13,597 Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R389 0 0 0 NUMBER OF FAILURES K DEVICE HOURS 0606 0409 NUMBER OF (2) FAILURES 5.00 115.72 120.72 0 0 0 NUMBER OF FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 Rev 18