Calculating the Design Statistics
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%Y.FTi

=

First Time Yield (in %) for the ith element

%Y.FTGap

=

First Time Yield (in %) for the gap

%Y.RTDesign

=

Rolled Throughput Yield (in %) for the design

How to calculate the design statistics

%Y.FTi

=

 

 

%Y.FTGap

=

 

 

%Y.RTDesign

=

Z.BenchDesign

 

=

 

 

where M is the total number of elements in the design with nonzero variance and the sum is over elements with nonzero standard deviation.