. Design a combinational circuit to convert a 4-bit binary number to gray code using (a) standard logic gates, (b) decoder, (c) 8-to-1 multiplexer, (d) 4-to-1 multiplexer.
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. Design a combinational circuit to convert a 4-bit binary number to gray code using
(a) standard logic gates,
(b) decoder,
(c) 8-to-1 multiplexer,
(d) 4-to-1 multiplexer.
Step by step
Solved in 6 steps with 5 images
- a) Design a combinational circuit that would take a 3-bit binary number and generate an output if the input value in decimal is either divisible by 2 or 3. iii) Explain and show how you would implement this circuit using a 4-to-1 Multiplexer and other appropriate logic gates. Use a block diagram for the multiplexer.Q4(a) Adder is divided into three types which are half adder, full adder, and parallel adder. Illustrate the implementation of full adder using half adder with necessary logic gates. (i) (ii) Figure Q4(a)(ii) shows the input timing diagram for a full adder. Illustrate the timing diagrams for output S and Cout- Cin Cout Figure Q4(a)(ii)Q4(a) Adder is divided into three types which are half adder, full adder, and parallel adder. Illustrate the implementation of full adder using half adder with necessary logic gates. (i) (ii) Figure Q4(a)(ii) shows the input timing diagram for a full adder. Illustrate the timing diagrams for output S and Cout- B Cin Cout Figure Q4(a)(ii) (iii) Given A = 111001 and B = 100010. Construct a 6-bit parallel adder to solve for A + B.
- 4) Draw a logic diagram of a divide-by-14 counter using IC 7493 and 2-input AND gate.Explain the function of Multiplexer and, Draw the 2 x 1 multiplexer logic circuit diagram and function table. How many selection inputs are required for a 4096 x 1 Multiplexer?Figure 4 shows the decimal to BCD encoder logic. Assume that the 9 input and 3 inputare both HIGH.i) Determine the output code.ii) Is the value valid for BCD (8421) code?
- 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.Using a K-map, simplify the output expression for the circuit in the figure. Draw the logic diagram for the simplified logic expression derived in the previous procedure. Construct the simplified circuit in the previous procedure. Use a DIP switch for each input.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).
- 1. A standard TTL gate performs what logic function for positive logic? 2. If all inputs of a TTL gate are binary 1, the output will be 3. The typical TTL logic levels are: Binary 0= 4. MOS combining both P- and N-channel in series is called 5. The CMOS logic levels are: binary 0 = volts and binary 1 = volts. volts and binary 1 = ______ volts.The ASM chart shown in Figure 4 specifies a synchronous sequential logic circuit. Derive a suitable state table from the ASM and design the circuit for the state table using JK flip-flop and logic gates.Design a 3-Bit (fixed reference) comparator for 100 reference values. b) Logic Gates c) PROM d) PAL