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Design mealy sequence detector to detect a sequence ----1010---- using D filpflop and logic
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 4.1 years ago
digital circuits and design
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k
  • A sequence detector is a sequential state machine. In a Mealy machine, output depends on the present state and the external input (x). Hence in the diagram, the output is written outside the states, along with inputs. The state diagram of a Mealy machine for a 1010 detector is:

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  • The …

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if i design it using 5 states, is the method wrong in case of mealy FSM?

8.0 years ago by teamques10 ★ 70k
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written 4.1 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 4.1 years ago

for present state 11 ('S3') input X=1 changes it to next state 01 ('S1'). So there should be modification in excitation table in the last row in next state column.

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