Physics · Digital Electronics
Identify the excitation equations for a Mealy machine using D flip-flops that cycles through the state sequence 00-01-11-10 when the input X = 1, and remains in its current state when X = 0.
- 1D1 = Q1' + Q0X', D0 = Q0
- 2D1 = Q1X' + Q0X, D0 = Q0X' + Q1'X✓
- 3D0 = Q1X' + Q0X, D1 = Q0X' + Q1'X
- 4D1 = Q1X + Q0, D0 = Q1 + Q0X
Correct answer
D1 = Q1X' + Q0X, D0 = Q0X' + Q1'X
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