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Recent content by RodrigoSP

  1. R

    Why is an Nwell guard ring needed with deep nwell?

    And the NW could be just in on point to bias the DNW, but it should be a ring in order to isolate the internal PW from the substrate
  2. R

    [ASK][Roles of guard-ring in triple well device]

    Besides the points described above, it also provides a way to have an isolated Pwell in case you want to have a NMOS device not directly over substrate
  3. R

    How do you normally handle metal fill generation in large matching arrays?

    Hi everyone, I would like to ask here how you normally deal with metal fill generation over large arrays. Often, in smaller nodes, the matching array is big enough to require metal fill, but I have seen different approaches so far to handle it. Up to now, the best in my opinion would be to...
  4. R

    Analog Layout - Matching analysis

    Very good point. Thanks for bringing it up
  5. R

    Analog Layout - Matching analysis

    Hi everyone, I want to collect some inputs and maybe start a discussion here on what are your best practices when handling complex matching structures. Often I see people struggling with complex matched MOS arrays on whether to simplify the pattern to have a cleaner routing and therefore less...
  6. R

    Matching considerations

    Hi everyone, I would like to ask your opinion on a layout matching topic, since I hear different comments about it from time to time, and also change my mind about it all the time. Consider you have the following two possibilities for a matching array: Version 1: A B A B B A B A Version 2: A...

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