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Circuit, State Diagram, State Table
Circuits with Flip-Flop = Sequential Circuit Circuit = State Diagram = State Table State Minimization Sequential Circuit Design Example: Sequence Detector Example: Binary Counter
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Circuit, State Diagram, State Table
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Circuit, State Diagram, State Table
Terms: State: flip-flop output combination Present state: before clock Next state: after clock State transition <= clock 1 flip-flop => 2 states 2 flip-flops => 4 states 3 flip-flops => 8 states 4 flip-flops => 16 states
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Circuit, State Diagram, State Table
Sequential circuit components: Flip-flop(s) Clock Logic gates Input Output
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Circuit, State Diagram, State Table
Circle => state Arrow => transition input/output
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Circuit, State Diagram, State Table
Left column => current state Top row => input combination Table entry => next state, output
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Circuit, State Diagram, State Table
Example:
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Circuit, State Diagram, State Table
Example:
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Circuit, State Diagram, State Table
Example:
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Circuit, State Diagram, State Table
Example:
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Circuit, State Diagram, State Table
Example: Show the second form truth table similar to Table 5.3
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Circuit, State Diagram, State Table
Example: state diagram = state table
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Circuit, State Diagram, State Table
Example: Show the state diagram of following circuit
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Circuit, State Diagram, State Table
Example: Show the state diagram of following circuit
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Circuit, State Diagram, State Table
Example: Show the second form truth table
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Circuit, State Diagram, State Table
More Example: Binary Counter – show state diagram and table
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Circuit, State Diagram, State Table
More Example: Binary Counter – show state diagram and table
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Circuit, State Diagram, State Table
Quiz:
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Circuit, State Diagram, State Table
Quiz: solution
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Circuit, State Diagram, State Table
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