Functional timing optimization

  title={Functional timing optimization},
  author={Alexander Saldanha},
  journal={1999 IEEE/ACM International Conference on Computer-Aided Design. Digest of Technical Papers (Cat. No.99CH37051)},
It is widely believed that any true (or sensitizable) critical path of length ≥ T must be sped up in order for a circuit to have a delay < T. In this paper I demonstrate that this notion is pessimistic. Many true paths can never affect the delay of the circuit — whenever such a path propagates a signal, some other path that is at least as long also propagates a signal. The theory for a new classification of paths based on the impact on the circuit delay is presented and conditions are given… CONTINUE READING

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