SP6121 datasheet(41/42 Pages) SIPEX

41 / 42 page

SP6128A Reliability Report

Page 3 of 4

Reliability Qualification Test Summary:

Stress Level

Device

Lot Number Burn-In Temp Sample Size No. Fail

168Hrs

SP6128A

CF10190.1

125

°C

168Hrs

SP6128A

CF10191.1

125

°C

168Hrs

SP6128A

CF10192.1

125

°C

1000Hrs

SP6128A

CF10190.1

125

°C

1000Hrs

SP6128A

CF10191.1

125

°C

1000Hrs

SP6128A

CF10192.1

125

°C

Life Test

Life testing is conducted to determine if there are any fundamental reliability related

failure mechanism(s) present in the device.

These failure mechanisms can be divided roughly into four groups:

Process or die related failures such as oxide defects, metallization defects, and

diffusion defects.

Assembly related failures such as chip mount defects, wire bond defects, molding

defects, and trim/form/singulation defects.

Design related defects.

Miscellaneous, undetermined, or application induced failures.

125C Operating Life Test Results

As part of the Sipex design qualification program, the Product/Reliability Engineering

group subjected 231 parts to 168 hours of 125° C life stress testing and then to 1000

hours of 125° C life stress testing.

168 Hour Timepoint

The 231 parts were subjected to the life test profile and completed the first phase with no

failures.

1000 Hour Timepoint

231 parts were reintroduced to life stress testing, completing the 1000 hour HTOL time

point without any failures or significant shifts in process parameters.

FIT Rate Calculations

FIT rate (failures in time) is the predicted number of failures per billion device hours.

This predicted value is based upon,

• The Life Test conditions summarized in the HTOL table (time/temperature, device

quantity, failure quantity).

• The Activation Energy (Ea) for potential failure modes. The weighted Activation

Energy(Ea) of observed failure mechanisms for Sipex products has been determined

to be 0.8eV.

SP6121 Datasheet(PDF) 41 Page - Sipex Corporation

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