Exploring Synchronous and Sequential Circuit Logic Diagrams
Uncover the intricacies of synchronous and sequential circuits through detailed analysis of logic diagrams, timing diagrams, state tables, and more. Dive into examples featuring T flip-flops, JK flip-flops, and circuit synthesis for a comprehensive understanding of electronic circuit design.
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Presentation Transcript
ANALYSIS OF SEQUENTIAL ANALYSIS OF SEQUENTIAL CIRCUIT LOGIC DIAGRAM CIRCUIT LOGIC DIAGRAM J.SHEIK SHABJAN M.Sc., M.Phil., SET ASSISTANT PROFESSOR DEPARTMENT OF ELECTRONICS St. JOSEPH S COLLEGE (Autonomous), 1 TRICHY
SYNCHRONOUS SEQUENTIAL SYNCHRONOUS SEQUENTIAL CIRCUIT WITH A T FLIP FLOP CIRCUIT WITH A T FLIP FLOP Let explore the behavior of the circuit in fig by developing a timing diagram, state table and state diagram X = 01101000 2
T FLIP FLOP T FLIP FLOP 3
The logic equations for the example are The input sequence is Assume starting state is y = 0 4
Timing diagram Timing diagram 5 Notice that all the input transitions are not synchronized with the clock pulse.
State diagram and state table State diagram and state table 6
SYNCHRONOUS SEQUENTIAL SYNCHRONOUS SEQUENTIAL CIRCUIT WITH JK FLIP FLOPS CIRCUIT WITH JK FLIP FLOPS X = 0011110 7
JK FLIP FLOP JK FLIP FLOP 8
The logic equations for the example are The input sequence is Assume starting state is The output sequence is Z = 0000010 9 9
Timing diagram Timing diagram 10
State table State table 11
SYNCHRONOUS SYNCHRONOUS SEQUENTIAL CIRCUIT SEQUENTIAL CIRCUIT SYNTHESIS SYNTHESIS 12
TYPES OF SEQUENTIAL CIRCUITS TYPES OF SEQUENTIAL CIRCUITS Completely specified circuit 13 Incompletely specified circuit
Synthesis Procedure Synthesis Procedure Let us find a clocked D flip flop realization for the sequential circuit defined in the state table 14
