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07 Sequential Logic Circuit Design

07 Sequential Logic Circuit Design - EE2000 Logic Circuit...

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1 EE2000 Logic Circuit Design 7 Sequential Logic Circuit Design
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2 Example (Revisit) A circuit with one input x and one output z such that z = 1 iff x has been 1 for at least three consecutive clock times Input x is not fixed, but changing from time to time Input sequence x : 01001100101000111… The circuit must remember the last three inputs of x in order produce correct output z This circuit is called sequence recognizer x z Input ? output memory
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