What is design rule check (DRC) in CMOS VLSI?

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chetan shidling asked 4 years ago

I need short information.

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chetan shidling answered 4 years ago
  1. Layout design rules describe how small features can be.
  2. how closely the features can be reliably packed in a particular IC
    manufacturing process.
  3. Industrial design rules are usually specified in microns.
  4. This makes migrating from one process to a more advanced process or a different foundry’s process difficult because not all rules scale in the same way.
  5. Therefore Mead and Conway proposed the single parameter LAMBDA.
  6. Therefore we have lambda based design rules.
  7. Lambda is generally half of the minimum drawn transistor channel length.
  8. This length is the distance between the source and drain of a transistor.