Thursday 7 November 2013

Difference between Mealy and Moore FSM.

  • Mealy machine is a finite-state machine whose output values are determined both by its current state and the current inputs. While Moore machine is a finite-state machine whose output values are determined solely by its current state.
  • Moore FSM will require more no. of states than Mealy FSM to accomplish the same task.
  • The output logic of a Mealy state machine may be more complex than the output logic of an equivalent Moore state machine, and therefore use more product terms.
  • To program Moore FSM is very easy and to program Mealy FSM is complex.
  • Mealy FSM is faster than Moore FSM.

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