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Obtaining D flip-flop mosfet-level schematics from CMOS layout

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promach

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Could anyone help to derive D flip-flop mosfet-level schematics from the following CMOS layout described in this conference document : ?

NNqxOi3.jpg
 

I suppose somebody -could- hand-trace all the connections
and provide you a schematic, but since it's a "Free" PDK
why not just go grab a copy and ***** open the cell
library? Have you determined that the schematic does not
exist, in it?
 

Yes, the corresponding schematics (DFFRNQ_X1) is missing from FreePDK.

In https://research.ece.ncsu.edu/eda/tutorials/layout-tutorial-3/ , it is stated that
the tut3cells library contains "DFFRNQ_X1".

DEFINE tut3cells /afs/eos.ncsu.edu/lockers/research/ece/wdavis/tech/ece546/tut3cells_15nm

Note: I have already registered and downloaded FreePDK15, but the package does not contain
any tut3cells_15nm library
 

That looks like a private "tutorial" library for a specific
college course.

What do you find under the FreePDK? Any schematics
at all? Maybe a DFFRNQ (dffrnq) minus the "X1" (which
looks to be an tutorial-specific, maybe modified, DFF?
 

I have already use various search keyword for "grep -ir <keyword>" , but it still give me nothing.

You can get FreePDK15 here
 

I have already use various search keyword for "grep -ir <keyword>" , but it still give me nothing.

You can get FreePDK15 here

You should be looking for the nangate library that utilizes the freePDK. The PDK itself won't have any schematics, naturally.
 

You should be looking for the nangate library that utilizes the freePDK.

Would you be able to share a direct link to the mentioned library which contains the schematics for "DFFRNQ_X1" ?

I could only get **broken link removed**
 

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