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Question about buffering of multi-driver nets

Slawa

 Hello,
I have following problem. There is net CORE/n13. This net is long and should be broken with the help of buffer
I use a command ecoAddRepeater -cell BF01D8 -net CORE/n13 -loc 300 300
But SOC writes the following Net CORE/n13 is a multi-driver net, and cannot be buffered by ecoAddRepeater command. Use bufferMultiDriverNet instead.
How to insert the buffer on this net?

 Regards,

Slawa

Parents

  • Have you tried the "bufferMultiDriverNet" command as the message suggested? I couldn't find the document for this command and it may work well. I knew somebody tried the command and said transition time for the multi-driver nets got improved after the command. However, I have no idea about what this command really does, and how it adds buffers for a multi-driver net. Also, don't know why there is no document about it from Cadence. Is it a temporary or trial command? no idea.  If you try it, please let us know how good is the command.

Reply

  • Have you tried the "bufferMultiDriverNet" command as the message suggested? I couldn't find the document for this command and it may work well. I knew somebody tried the command and said transition time for the multi-driver nets got improved after the command. However, I have no idea about what this command really does, and how it adds buffers for a multi-driver net. Also, don't know why there is no document about it from Cadence. Is it a temporary or trial command? no idea.  If you try it, please let us know how good is the command.

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