Different between Moore and Mealy Model

Moore Model
  • The output depends on a function of the present state only, therefore the output can change only on a clock edge.
  • Output is only function of state
  • Example of Moore Model :

  • Truth table :




Mealy Model
  • the output depends on the function of the current state and current inputs, therefore the output can change when any input changes.
  • Has asynchronous outputs.
  • The output are independent of clock (because the output depends on the current state and input)
  • Example of Mealy Model :

  • The truth table :



* taken from BENM 2133 Chapter 2 Lecture Note
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bahagian bawah ni ada float ckit la. aku guna IE

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