5. JK flip-flops are often used to build counters. The JK flip-flop will togglethe original output value when triggered by the clock signal if both the J,Kinputs are connected with a constant "high"(logic 1). All the JK flip-flops inFigure 2 are negative edge triggered. All the initial values of Q2Q1Q0 are 0.Qo(LSB)(MSB)InputKKLogic 1InputQ2000Figure 2. Counter(a) Sketch the output waveforms forQ2 Q1 Q0. Write down the output binaryvalue (Q2Q1Q0: such as "000", "001") for each clock period on the figure.(b) Describe the function of the counter (e.g. binary down counter countingfrom 7 to 0).

Counter is a sequential circuit made up of flip flop which are connected to count the pulses .…

5. JK flip-flops are often used to build counters. The JK flip-flop will toggle the original output value when triggered by the clock signal if both the J,K inputs are connected with a constant “high"(logic 1). All the JK flip-flops in Figure 2 are negative edge triggered. All the initial values of Q2Q1Q0 are 0. | (LSB) Q2 |(MSB) J Q J Q2 J Qo >C K Input K Logic I Input 000 Figure 2. Counter (a) Sketch the output waveforms forQ2 Q1 Q0. Write down the output binary value (Q2Q1Q0: such as "000", “001") for each clock period on the figure.

5. JK flip-flops are often used to build counters. The JK flip-flop will toggle the original output value when triggered by the clock signal if both the J,K inputs are connected with a constant “high"(logic 1). All the JK flip-flops in Figure 2 are negative edge triggered. All the initial values of Q2Q1Q0 are 0. | (LSB) Q2 |(MSB) J Q J Q2 J Qo >C K Input K Logic I Input 000 Figure 2. Counter (a) Sketch the output waveforms forQ2 Q1 Q0. Write down the output binary value (Q2Q1Q0: such as "000", “001") for each clock period on the figure.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Up-down counter

In digital logic and computing, a counter is a device that stores (and sometimes displays) the number of times a particular event or process has occurred, often in relationship to a clock. A sequential digital logic circuit is the most common type with an input line or clock and multiple output lines. In the binary or binary-coded decimal (BCD) number system, the values on the input line represents a number by several flip-flops connected in a cascaded manner. They are manufactured as separate integrated circuits and are widely used components in digital circuits. These are also a part of larger integrated circuits. These are a specific type of sequential circuit like registers or the value of the flip-flops serving as the output.

Question

5. JK flip-flops are often used to build counters. The JK flip-flop will toggle
the original output value when triggered by the clock signal if both the J,K
inputs are connected with a constant "high"(logic 1). All the JK flip-flops in
Figure 2 are negative edge triggered. All the initial values of Q2Q1Q0 are 0.
Qo
(LSB)
(MSB)
Input
K
K
Logic 1
Input
Q2
000
Figure 2. Counter
(a) Sketch the output waveforms forQ2 Q1 Q0. Write down the output binary
value (Q2Q1Q0: such as "000", "001") for each clock period on the figure.
(b) Describe the function of the counter (e.g. binary down counter counting
from 7 to 0).

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3. Consider the counter shown in Figure 2, where the flip-flops are initially set to 0. (a) Determine the logic equations for the J and K inputs of each flip-flop (b) complete the timing diagram (c) construct the state diagram of the counter; (d) deduce the counter modulo. Q1 Q Qo Q J Q Q2 1-K K CLR 1K Q Q CLR CLR CK СК Q2
14. What is the state sequence of the following counter if the flip-flops are initially RESET. HIGH CLK FFO FF1 FF2 Jo 20 4 Q₁ J₂ C >C e₁ Ko K₁ K₂
16. The following serial data are applied to the flip-flop through the AND gates as indicated in Figure 7-85. Determine the resulting serial data that appear on the 2 output. There is one clock pulse for each bit time. Assume that 2 is initially 0 and that PRE and CLR are HIGH. Right- most bits are applied first. J: 1010011; J2: 0111010; J: 1111000; K₁: 0001110; K₂: 1101100; K: 1010101 PRE J 2 CLK CLR FIGURE 7-85 C K D
answere fast please question from DIGITAL LOGIC DESIGN TOPIC : Designing Synchronous Counter Design a circuit of a Synchronous Counter using 74LS76 ( JK-Flip Flop ICs ). The counter should count in following sequence starting from 0. Perform all necessary designing steps by making state table, K-maps and the circuit diagram.
Using 4 J-k flip flops explain how a counter can be built with the aid of a diagram
asynchronous counters differs from a synchronous counter in * (a) the number of state in sequence (b) the method of clocking (c) the type of flip-flops used (d) the value of the modulus
please explain part d and explain how it would look like on a breadboard
create the schematic needed for part b and c please
Figure 2.1 shows the Asynchronous J-K flip flop and it truth table. Draw an output waveform, Q by drag and drop the correct waveform. Q is initially LOW. Clock Preset Clear Input J Input K Output J CLK K PRESET a Q CLEAR PRESET 1 0 CLEAR 1 1 0 0 Figure 2.1 FF response Clocked operation" Q1 (regardless of CLK) Q=0 (regardless of CLK) Not used 0 *Q will respond to J, K, and CLK
Digital Logic Design