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What is the use of select layer in layout of circuits?

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p_shinde

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Select layer in layout

hello,

can any one please answer what is the use of select layer in layout of ciruits?

its urgent pls reply soon if any one knows.


thanks in advance.

Prasad
 

semi_jl

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Select layer in layout

Please make your question clear!
 

p_shinde

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Re: Select layer in layout

semi_jl said:
Please make your question clear!



my question is WHY DO WE PUT P-SELECT LAYER ON TOP OF P DIFFUSION AND N-SELECT LAYER ON n DIFFUSION?
 

abhi_123

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Select layer in layout

The Select region defines what kind of diffusion it has.
generally tools have Active defined unless u surround it with a select it has no way of knowing what kind of MOS u intend to make.
 

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