What is the difference between MTBF and MTTF?

Document created by analog-archivist Employee on Feb 23, 2016
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What is the difference between MTBF and MTTF ?

 

MTBF is not an appropriate metric for semiconductors as they are not
repairable. MTBF is more of a system level question. However MTTF (MTTF equals
MTBF with a repair time of zero) is appropriate and this is freely available
from analogs external website.
http://www.analog.com/en/about-adi/quality-reliability/reliability-data.html
select wafer fabrication data and then selecting the product provides MTTF and
FIT data. The calculator also allows customers to select any temperature they
wish for the calculation.
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