Cell mapping information not specified

[Alipoursaadaty]

Hi everybody,

I have designed a simple amplifier at the schematic and layout level. I passed the LVS errors and ran the PEX. However, after running PEX, I was faced with the following warnings. I extract the calibre file and can run the post-layout simulation. However, the post-layout simulation results show that the circuit does not work, and I think it will work properly if I solve these warnings. Is there anyone know how I can solve the error related to this matter?

Regards,

WARNING: Overriding existing view first_IC/test_lna/calibre
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
WARNING: [FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified.
Calibre View generation completed with 20 WARNINGs and 0 ERRORs. Please consult the CIW transcript for messages.

 

[fadihone]

The warnings you are seeing are related to the Calibre PEX (Parasitic Extraction) process. The warning message "[FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified." indicates that Calibre was unable to create instances of parasitic devices (inductors) due to missing cell mapping information

 

[Alipoursaadaty]

The warnings you are seeing are related to the Calibre PEX (Parasitic Extraction) process. The warning message "[FDI3032] Could not create instances of parasitic device "l": Cell mapping information not specified." indicates that Calibre was unable to create instances of parasitic devices (inductors) due to missing cell mapping information

Thank you for your reply. How can I solve this warning? When I run post layout simulation, the circuit doesn’t work.

 

[fadihone]

ensure your post-layout simulation setup includes the extracted parasitic components. Fixing the cell mapping issue should improve your post-layout simulation results.

Fadihone

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[benson tai]

Hi, has this problem been solved now?

 

[Alipoursaadaty]

Hi, has this problem been solved now?

Hi,

The problem was with cellmap file and was not related to the settings of the calibre. So, I tried to extract only RC parameters as the cellmap file was not able to extract the Ls (inductors).