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Aug 23, 2024 · Sequential circuit is a combinational logic circuit that consists of inputs variable (X), logic gates (Computational circuit), and output variable (Z). A combinational circuit produces an output based on input variables only, but a sequential circuit produces an output based on current input and previous output variables.
In other words, the output state of a “sequential logic circuit” is a function of the following three states, the “present input”, the “past input” and/or the “past output”. Sequential Logic circuits remember these conditions and stay fixed in their current state until the next clock signal changes one of the states, giving sequential logic circuits “Memory”.
A sequential circuit is a logic circuit that consists of a memory element to store history of past operation of the circuit. Therefore, the output of a sequential circuit depends on present inputs as well as past outputs of the circuit. The block diagram of a typical sequential circuit is shown in the following figure −
A Sequential logic circuit is a form of the binary circuit; its design employs one or more inputs and one or more outputs, whose states are related to some definite rules that depend on previous states. Both the inputs and outputs can reach either of the two states: logic 0 (low) or logic 1 (high). In these circuits, their output depends not ...
A sequential circuit is a digital circuit whose outputs depend on the history of its inputs. Thus, sequential circuits have a memory that permits significantly more complex functional behaviors than combinational circuits are capable of. In fact, the study of the complexity of sequential circuit behavior is the cradle of the field of computer ...
This is a diagram that is made from circles and arrows and describes visually the operation of our circuit. In mathematic terms, this diagram that describes the operation of our sequential circuit is a Finite State Machine. Make a note that this is a Moore Finite State Machine. Its output is a function of only its current state, not its input.
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Sequential logic. In automata theory, sequential logic is a type of logic circuit whose output depends on the present value of its input signals and on the sequence of past inputs, the input history. [1][2][3][4] This is in contrast to combinational logic, whose output is a function of only the present input. That is, sequential logic has state ...
