RELIABILITY DATA LT1675 / LT6555 / LT6556 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE SSOP/TSSOP 144 9827 144 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE SSOP/TSSOP 50 50 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE NEWEST DATE CODE 9832 9832 OLDEST DATE CODE NEWEST DATE CODE 49 9832 49 • THERMAL SHOCK FROM -65°C to +150°C SAMPLE SIZE OLDEST DATE CODE K DEVICE HOURS (1) AT +125°C 9901 OLDEST DATE CODE SSOP/TSSOP PACKAGE TYPE NEWEST DATE CODE 144.35 144.35 12.00 12.00 4.90 4.90 Form: 00-03-6209B. R395 0 0 NUMBER OF FAILURES K DEVICE CYCLES 45 9832 9832 45 (1) Assumes Activation Energy = 1.0 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 12.74 FITS (3) Mean Time Between Failures in Years = 8,954 Note: 1 FIT = 1 Failure in One Billion Hours. 0 0 NUMBER OF FAILURES K DEVICE CYCLES SSOP/TSSOP 0 0 NUMBER OF FAILURES K DEVICE HOURS 9832 NEWEST DATE CODE NUMBER OF (2) FAILURES 4.50 4.50 0 0 Rev 17