What is a Sequential Circuit What is the value of a sequential circuit related to

Sequential circuits mean that each input signal is controlled by the same pulse signal (CP);

A non-sequential circuit means that each input signal can be controlled by different pulse signals, i.e., multiple CP pulses.

Logic circuits, with a time series to start running, are triggered by a time base for execution.

Circuits designed and combined with general-purpose integrated circuits, basic digital circuits, analog circuits (the design and manufacture of digital-analog mixed circuits are difficult); According to different chronological order and different logical relationships, complex functions are generated.

For example, with gates, non-gates and other gate circuits are composed of static logic circuits, cooperation, adding registers, charge preservation devices, etc., is a dynamic relationship, if you come to neurons, artificial intelligence, fuzzy control, it will be on a higher level, which is also a high-end timing circuit.

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Sequential logic circuitry.

The state of the socks is determined by both the current input and the previous state of the circuit. Sequential logic circuits are characterized by the fact that the output at any time depends not only on the input signal at that time, but also on the original state of the circuit, or in other words, on the previous input.

The output of a sequential logic circuit at any given moment depends not only on the input at that moment, but also on the input at each moment in the past. Common sequential logic circuits have flip-flops.

Counters, registers.

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Analyse. The behavior of a sequential circuit is determined by the inputs, outputs, and the current state of the circuit. The output and next state are functions of the input and the current state. By analyzing the timing circuit, a reasonable description of the timing of inputs, outputs, and states can be obtained.

If a circuit contains such a flip-flop, the clock input of the flip-flop is either directly driven or has a clock signal.

Indirectly driven, and at the same time, this circuit does not need to load direct and indirect set during normal execution, then we call this circuit synchronous timing circuit. Triggers can be of any type, and logic diagrams may or may not include combinatorial logic.

It consists of two parts: a storage circuit (various triggers) and a combined logic circuit.

The output of the circuit is not only related to the input, but also to the original state of the circuit at that moment

Sequential circuit: A device that implements a sequence of logic operations in which the output value at any given moment depends on its input value and its internal state at that moment, which in turn depends on the immediate previous input value and the previous internal state.

Hand or sequential logic circuit state: sequential logic circuit is referred to as sequential circuit, sequential circuit is the most basic logic gate circuit plus feedback logic loop, or the combination of parts of the circuit composed of circuits, and the most essential difference between the sequential circuit is that the sequential circuit has a memory function.

Characteristics of sequential circuits: The output depends not only on the input value at that time, but also on the past state of the circuit. Circuits similar to inductors or capacitors containing high-altitude energy storage elements, such as flip-flops, latches, counters, shift registers, memories, and other circuits are typical devices for sequential circuits.

The state of a sequential logic circuit is memorized and represented by the memory circuit.

Sequential circuit: A device that implements a series of logic operations in which the output value at any given moment depends on its input value and the internal slag state at that moment, which in turn depends on the device immediately following the previous input value and the previous internal state.

Sequential logic circuit state: sequential logic circuit is referred to as sequential circuit, sequential circuit is the most basic logic gate circuit plus anti-key blocking feedback logic loop, or device combination of circuits, and the most essential difference between the combined circuit is that the sequential circuit has a memory function.

Sequential circuits are characterized by closed-circuit outputs: The output depends not only on the input value at the time, but also on the past state of the circuit. Circuits similar to inductors or capacitors containing energy storage components, such as flip-flops, latches, counters, shift registers, memories, and other circuits are typical devices for sequential circuits.

The state of a sequential logic circuit is memorized and represented by the memory circuit.

The logic function of a sequential circuit is that the output at any given moment depends not only on the input signal at that time, but also on the original state of the circuit, or in other words, on the previous input.

Clock equation: cp0=cp1=cp2=cp, (the number after the capital letter is the subscript, the letter is the superscript, and the equation after it is also the equation).

Driving equation: j0 = k0 = 1

j1 = k1=q0n

j2 = q1n · q0n k2=1

Equation of state: q0n+1=qn

q1n+1=q1

q2n+1=q2

Carry end suppression y=q2n

The state transition diagram is as follows:

There are four types of circuits that belong to the circuit:

2. Counter: used to count and record the number of input signals, and the output of the jujube is missing and contains the corresponding binary value.

3. Timing comparator: It is a circuit composed of multiple flip-flops and logic gates, which is used to produce a specific timing output sequence.

4. Timing multiplexer: It is used to select an input signal from multiple input signals, and transmit the input signal to the output terminal under the action of the clock signal.