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Design the specified modulo-N counter using IC7490.4e. Use excitation table of the given flip-flop to design synchronous counter.4d. Use the given flip-flop to construct the specific type of counter.4c. Use relevant triggering technique for the given digital circuit.4b. Unit - IVSequential Logic Circuit(18 Marks) 4a.
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3.1 Standard Boolean representation : Sum of Product (SOP) and Product of Sum (POS), Min-term and Max-term, conversion between SOP and POS forms, realization using NAND/NOR gates.3.2 K-map reduction technique for the Boolean expression : Minimization of Boolean funcitons up to 4 variables (SOP and POS form)3.3 Design of arithmetic circuits and code converter using K-map : Half and full adder, half and full subtractor, gray to binary and binary to gray (up to 4 bits)3.4 Arithmetic circuits : (IC 7483) Adder and Subtractor, BCD adder3.5 Encoder/Decoder : Basics of encoder, decoder, comparison, (IC 7447) BCD to 7 segment decoder/driver3.6 Multiplexer and Demultiplexer : Working, truth table and applications of Multiplexers and Demultiplexers, MUX tree, IC 74151 as MUX DEMUX tree, DEMUX as decoder, IC 74155 as DEMUX.3.7 Buffer : Tristate logic, unidirectional and bidirectional buffer (IC74LS244, 74LS245) Develop the specified type of code converter. Write the specifications of the component for the given application.3f. Draw MUX/DEMUX tree for the given number of input and output lines.3e. Use IC 7483 to design the given adder/subtractor.3d. Minimize the given logic expression using K-map.3c. Develop logic circuits in standard SOP/POS form for the given logical expression.3b.
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Unit - IIICombinational Logic Circuits(18 Marks) 3a. 2.1 Logic gates : Symbol, diode/transistor switch circuit and logic expression, truth table of basic logic gates (AND, OR, NOT), Universal gates (NAND and NOR) and Special purpose gates (EX-OR, EX-NOR), Tristate logic2.2 Boolean algebra : Laws of Boolean algebra, Duality Theorem, De-Morgan's theorems2.3 Logic families : Characteristics of logic families : Noise margin, Power dissipation, Figure of merit, Fan-in and fan-out, Speed of operation, Comparison of TTL, CMOS, types of TTL NAND gate Compare the salient characteristics of the given digital logic families. Develop logic circuits using the given Boolean expressions.2d. Simplify the given expression using Boolean laws.2c. Develop the basic gates using the given NAND/NOR gate as universal gate.2b. Unit - IILogic Gates and Logic Families(12 Marks) 2a. 1.1 Number System : base or radix of number system, binary, octal, decimal and hexadecimal number system.1.2 Binary Arithmetic : Addition, subtraction, multiplication, division.1.3 Subtraction using 1's complement and 2's complement.1.4 Codes : BCD, Gray Code, Excess-3 and ASCII code.1.5 BCD Arithmetic : BCD Addition Add the given two decimal numbers using BCD code. Convert the given coded number into the other specified code.1d. Perform the binary arithmetic operation on the given binary numbers.1c. Convert the given number into the specified number system.1b. Unit - INumber System and Codes(08 Marks) 1a.