Which of the following statements best describes metastability? O A. A condition in a flip-flop that arises when the reset input changes too frequently B.A condition in a logic gate that arises when two separate inputs arrive at slightly different times OC. A condition in a flip flop that can arise when the data input changes coincidentally with the clock input changing OD. A condition in a logic gate that can arise when the output is connected to the output of another logic gate O E. A condition in a flip flop that can arise on the negative edge of the clock input (assuming that it is positive-edge triggered)

Which of the following statements best describes metastability? O A. A condition in a flip-flop that arises when the reset input changes too frequently B.A condition in a logic gate that arises when two separate inputs arrive at slightly different times OC. A condition in a flip flop that can arise when the data input changes coincidentally with the clock input changing OD. A condition in a logic gate that can arise when the output is connected to the output of another logic gate O E. A condition in a flip flop that can arise on the negative edge of the clock input (assuming that it is positive-edge triggered)

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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Which of the following statements best describes metastability? OA. A condition in a flip-flop that arises when the reset input changes too frequently OB. A condition in a logic gate that arises when two separate inputs arrive at slightly different times OC. A condition in a flip flop that can arise when the data input changes coincidentally with the clock input changing D.A condition in a logic gate that can arise when the output is connected to the output of another logic gate OE. A condition in a flip flop that can arise on the negative edge of the clock input (assuming that it is positive-edge triggered) O
Consider a family of logic gates that operate under the static discipline with the following voltage thresholds: VI=1.5V, VOL=0.5V, VIH=3.5V, and VOH=4.4V. a. What is the lowest voltage that can be output by an inverter for a logical 1 output? b. What is the highest voltage that must be interpreted by a receiver as logical 0? c. What is the lowest voltage that must be interpreted by a receiver as logical 1?
3.) The design size of the synchronous counter sequential (sequential) logic circuit. It will count from 0 to 9 and the son of your student number will not count decimals in two digits. A. List the process steps that you will apply in the design approach. Create the State Chart and State Chart. B. Design the sequential circuit using JK Flip-Flop. Explain each step. Show that it has performed the desired action. last digit student num: 0 4 " Not : I want the solution to contain tables and equations, and the electrical circuit resulting from tables and equations, as in the picture that I attached,And if possible, I want the solution on paper if possible.
9. Analysis of Synchronous Counters, in the following figure, write the logic equation for each input of each flip-flop. Determine the next state for state 010,011,100,111 as Q2Q1Q0 sequence. FF0 FFI FF2 Ko K, K2 CLK
Consider a family of logic gates that operate under the static discipline with the following voltage thresholds: VI=1.5V, VOL=0.5V, VIH=3.5V, and VOH=4.4V. a. What is the lowest voltage that can be output by an inverter for a logical 1 output? Explain. b. What is the highest voltage that must be interpreted by a receiver as logical 0? Explain. c. What is the lowest voltage that must be interpreted by a receiver as logical 1? Explain.
Problem 5 For the logic circuits shown below: determine the output F, write the true table, and draw the output F in proper relation to the given inputs with a timing diagram. a) A B F F 1. b) 1. F 1. C
The following statements describe the sequential circuits. Select all the TRUE statements. a The sequential circuits consist of a combinational circuit and storage elements. b The storage elements keep a binary bit even though the circuit power is gone. c Only the current input determines the outputs of sequential logic circuits. d The flip-flop is controlled by signal levels.
A d. B Figure 1 3. Referring to the logic circuit in Figure 1, determine: a. The simplified Boolean expression. b. The output waveform. C H c. Due to fabrication errors, lines d and f were shorted to the supply voltage. What happens to the output of the circuit? d. Your hardware resources are limited to 2-input NOR gate only. Draw the gate schematic of the simplified Boolean expression in 3(a).
d) Draw the schematics of 4-bit synchronous and asynchronous MOD-8 counters and comment on their pros and cons. e) Calculate the noise margin for a logic gate with the following logic levels: VIL = 1.1 V, VIH = 3.2 V, VOL = 0.6 V, VOH = 4.0 V.
Say we have an LED that will turn on when driven with a low signal from the output of a single logic gate. The two inputs to the logic gate are a 3 Hz digital pulse generator and a switch that goes low when the gas in a car gets below a certain level. We'd like the LED to flash on and off at 3 Hz when the gas gets low in the car. What type of single 2-input logic gate should be used in this situation? Draw the logic diagram.
(b) Analyse the sequential logic circuit for the D Flip-Flop shown in Figure below and answer the following sections Determine next state equations. Determine the state table for circuit in section (i). Draw the state machine diagram for D Flip-Flop of circuit in section (i). DD Figure (b)
Design a combinational circuit using multiplexer for a car chime based on thefollowing system: A car chime or bell will sound if the output of the logic circuit(X) is set to a logic ‘1’. The chime is to be sounded for either of the followingconditions:• if the headlights are left on when the engine is turned off and• if the engine is off and the key is in the ignition when the door is opened.Use the following input names and nomenclature in the design process:• ‘E’ – Engine. ‘1’ if the engine is ON and ‘0’ if the engine is OFF• ‘L’ – Lights. ‘1’ if the lights are ON and ‘0’ if the lights are OFF• ‘K’ – Key. ‘1’ if the key is in the ignition and ‘0’ if the key is not in the ignition• ‘D’ – Door. ‘1’ the door is open and ‘0’ if the door is closed• ‘X’ – Output to Chime. ‘1’ is chime is ON and ‘0’ if chime is OFF