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In MC context I just know of global and localvariation parameters. Local variation parameters refer to variations between the same devices (or circuits) on the same wafer, whereas global variation parameters refer to those variations over several wafers, even several lots of wafers.
Hi erikl,
You are always helpful, thank you
Would you please introduce a reference or book?
As I found local is for mismatch like differential pairs, but I run a MC in two conditions, one with linking two differential pair and the other without linking. Surprisingly, the results was the same. Did you have a such experience?
I'm a beginner and I''m not familiar with many things.....
... I run a MC in two conditions, one with linking two differential pair and the other without linking. Surprisingly, the results was the same. Did you have a such experience?
The netlist doesn't supply any info about the mutual geometrical position of a differential pair (if common centroid, interdigitated, or not even adjacent). So MC analysis cannot differentiate between such cases - how should it? It just will show you various possible differences (of gate voltages or drain currents) based on local or global variation parameters.
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