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Truth Table, Characteristics Table & Excitation Table for SR Flip Flop Video Lecture | Digital Electronics - Electrical Engineering (EE)

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FAQs on Truth Table, Characteristics Table & Excitation Table for SR Flip Flop Video Lecture - Digital Electronics - Electrical Engineering (EE)

1. What is a truth table for an SR flip flop?
Ans. A truth table for an SR flip flop shows the possible combinations of inputs and their corresponding outputs. It lists all the possible states of the flip flop, along with the values of the S (set) and R (reset) inputs, and the resulting Q (output) and Q' (complement of output) values.
2. What is a characteristics table for an SR flip flop?
Ans. A characteristics table for an SR flip flop provides a concise representation of its behavior. It lists the present state, next state, and output for each combination of inputs. The characteristics table helps in understanding the functionality of the flip flop and is often used for designing sequential circuits.
3. What is an excitation table for an SR flip flop?
Ans. An excitation table for an SR flip flop shows the required inputs (S and R) for each present state and the corresponding next state. It simplifies the design process by specifying the inputs needed to transition from one state to another. The excitation table is derived from the characteristics table of the flip flop.
4. How can I construct a truth table for an SR flip flop?
Ans. To construct a truth table for an SR flip flop, enumerate all possible combinations of the S and R inputs (usually 0 and 1). Assign initial values to the present state (Q) and the complement of the present state (Q'). Determine the next state and output based on the inputs and present state. Repeat this process for each input combination to obtain a complete truth table.
5. How do I use a characteristics table and excitation table to design a sequential circuit?
Ans. To design a sequential circuit using a characteristics table and excitation table, analyze the required behavior of the circuit. Identify the present states, next states, and outputs for each combination of inputs. Use the characteristics table to determine the required present state, next state, and output values. Then, consult the excitation table to find the corresponding inputs (S and R) for each transition. Finally, implement the circuit using appropriate logic gates or flip flop components.
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