Logic Family in Digital Electronics

Digital Electronics and Logic Design covers all points in digital Electronics,
Logic Design Minimization Technique: Minimization of Boolean function using K-map(up to 4 variables) and Quine Mc-Clusky Method, Representation of signed number- sign magnitude representation ,1’s complement and 2’s complement form (red marked can be removed), Sum of product and Product of sum form, Minimization of SOP and POS using K-map.Code converter : BCD, Excess-3, Gray code, Binary Code. Half Adder, Full Adder, Half Subtractor, Full Subtractor, Binary Adder (IC 7483), BCD adder, Look ahead carry generator, Multiplexers (MUX):
MUX (IC 74153, 74151), Cascading multiplexers, Demultiplexers (DEMUX)- Decoder (IC 74138, IC 74154), Implementation of SOP and POS using MUX, DMUX, Comparators (2 bit), Parity generators and Checker, Flip-Flop: SR, JK,D,T, Preset and Clear, Master Slave JK Flip Flops, Truth Tables and Excitation tables,
Conversion from one type to another type of Flop-Flop. Registers: SISO, SIPO, PISO, PIPO, Shift
Registers, Bidirectional Shift Register, Ring Counter , Universal Shift Register Counters: Asynchronous
Counter, Synchronous Counter, BCD Counter, Johnson Counter, Modulus of the counter ( IC
7490),Synchronous Sequential Circuit Design :Models- Moore and Mealy, State diagram and State
Table ,Design Procedure, Sequence Generator and detector.,Algorithmic State Machines: Finite State Machines (FSM) and ASM, ASM charts, notations,
construction of ASM chart and realization for sequential circuits.
PLDS:PLD, ROM as PLD, Programmable Logic Array (PLA), Programmable Array Logic (PAL), Designing
combinational circuits using PLDs.Classification of logic families: Unipolar and Bipolar Logic Families, Characteristics of Digital ICs:
Fan-in, Fan-out, Current and voltage parameters, Noise immunity, Propagation Delay, Power
Dissipation, Figure of Merits, Operating Temperature Range, power supply requirements.
Transistor-Transistor Logic: Operation of TTL NAND Gate (Two input), TTL with active pull up, TTL
with open collector output, Wired AND Connection, Tristate TTL Devices, TTL characteristics.
CMOS: CMOS Inverter, CMOS characteristics, CMOS configurations- Wired Logic, Open drain outputs.Introduction to Ideal Microprocessor – Data Bus, Address Bus, Control Bus. Microprocessor based
Systems – Basic Operation, Microprocessor operation, Block Diagram of Microprocessor. Functional
Units of Microprocessor – ALU using IC 74181, Basic Arithmetic operations using ALU IC 74181, 4-bit
Multiplier circuit using ALU and shift registers. Memory Organization and Operations, digital circuit
using decoder and registers for memory operations.