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lecture20

# lecture20 - Otherwise Z equals 0 CMPT 150 Sequential...

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CMPT 150 Sequential Circuits Page 1 Sequential Circuit Design Example We want to build a circuit that recognizes the occurrence of the sequence of bits 1101. The circuit has one input X and one output Z. Use D flip-flops, and assume that they are initially in the reset state (I.e. have value 0). Z has value 1 when the previous three inputs to the circuit were 110 and the current input is a 1.

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Unformatted text preview: Otherwise, Z equals 0. CMPT 150 Sequential Circuits Page 2 Example - State Diagram CMPT 150 Sequential Circuits Page 3 Example - State Table CMPT 150 Sequential Circuits Page 4 Example - Deriving Equations 00 01 11 10 1 A BX 00 01 11 10 1 A BX 00 01 11 10 1 A BX CMPT 150 Sequential Circuits Page 5 Example - Logic Diagram D Q C D Q C...
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