Complete the state transition and Excitation tables below for a 4bit decade counter using positive edge triggered JK flip flops. Note that all the illegal states should transition to the 00002
State on the next positive clock edge. Make sure to include ‘X’ s in the excitation table wherever possible to minimize logic design
State Transmission Table | ||||||||
Current State Next State | ||||||||
Q3 | Q2 | Q1 | Q0 | Q3 | Q2 | Q1 | Q0 | |
0 | 0 | 0 | 0 | |||||
0 | 0 | 0 | 1 | |||||
0 | 0 | 1 | 0 | |||||
0 | 0 | 1 | 1 | |||||
0 | 1 | 0 | 0 | |||||
0 | 1 | 0 | 1 | |||||
0 | 1 | 1 | 0 | |||||
0 | 1 | 1 | 1 | |||||
1 | 0 | 0 | 0 | |||||
1 | 0 | 0 | 1 | |||||
1 | 0 | 1 | 0 | |||||
1 | 0 | 1 | 1 | |||||
1 | 1 | 0 | 0 | |||||
1 | 1 | 0 | 1 | |||||
1 | 1 | 1 | 0 | |||||
1 | 1 | 1 | 1 |
Complete the state transition and Excitation tables below for a 4bit decade counter using positive edge...
Design a non-sequential synchronous counter using a positive edge triggered JK Flip Flops for the following output 0?2?3?5?4?7?6?0 Design a non-sequential synchronous counter using positive edge triggered JK Flip Flops for the following output 0 rightarrow 2 rightarrow 3 rightarrow 5 rightarrow 4 rightarrow 7 rightarrow 6 rightarrow 0
Implement the following logic table using JK flip-flops. 01 and Q0 represent the current state, X represents the machine's input, D1 and DO represent the next state, and Z is a machine output. 3) Q1 Q0 X D1DOZ 0 0 1 0 0110 0 0 0 0 0 0 0 0 0 Repeat problem 3), except implement the machine as a "one-hot" state machine. Label your flip flops "ОО", "O1", "10", and "11". 4)
6. Design a 2-bit binary counter that counts, 0, 1, 2, 3, 0,. Use the 74LS374 IC, which has eight D flip-flops on it. They are positive-edge triggered, but it will not matter at all here You may draw a state diagram and then fill in the table Present State Q(t) Next State (D(t) - Q(t+1)) Q1(t) Qo(t) 7. Design a BCD binary counter that counts from 0 to 9 then back to 0 and repeat, displaying the count on...
(a) Design an asynchronous Binary Coded Decimal (BCD) count-up counter using JK flip-flops. Draw the counter circuit clearly showing the configuration of the JK flip-flops and the necessary logic gate(s). Sketch the input and output waveforms of this counter (7 Marks) (b) The binary up/down counter for a cargo lift controller in a 7-storey building has an up-down (UID) control input and a buzzer output (B). The buzzer will sound B 1) when the lift is at level 1 or...
logic circuit 1. (10) Which of the following describes the operation of a positive edge-triggered D flip-lop? A. If both inputs are HIGH, the output will toggle. B. The output will follow the input on the leading edge of the clock. C. when both inputs are LOW, an invalid state exists. D. The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock. Answer...
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
hi i need answers for nos. 18-28. 1. In a counter, a flip-flop output 10. A is a group of flip-flops, each one of which transition serves as a source for triggering other flip-flops, not by the common clock pulses. shares a common clock and is capable of storing one bit of information. A) RAM B) latch A ripple Cring (rather than signal transitions) are referred to as B synchronous D binary C) counter D) register 11. The Characteristic Equation...
Q3. Consider the circuit shown below: Q1 Jo 0 Ko clock (a) Create the state table that shows the present-states, input x, JK flip-flops inputs, the next-states and the output y 30% (b) Create the state diagram, specify what type of state machine (Mealy or Moore) this circuit is and explain why 20%
1. Given the state diagram shown below for a two-state synchronous sequential Mealy circuit with input. and output z, realize the circuit using D flip-flops. Your answer must include the state transition,excita- tion, and output tables, the excitation equation(s), and a labeled circuit diagram 1/0 2. Given the state diagram in Problem 1, realize the circuit using JK flip-flops. Your answer must include the state transition, excitation, and output tables, the excitation equation(s), and a labeled circuit diagram. 3. Given...
5) Complete the timing diagram for the circuit with one positive-edge and one negative-edge triggered D FF. Q1 and Q0 start a low (0) because CLRn starts low. CLk K - 1 cun Q ई 6) For each set of waveforms, create a D, T or J/K waveform that will generate the desired Q output. Assume Q starts low. There are several right answers for the J and K inputs. To prevent flip-flop instability, all changes to the D, T...