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Digital Electronics (2131004)

Teaching Scheme Credits Examination Marks Total
Marks
Lecture Tutorial Practical Credits Theory Marks Practical Marks
ESE
(External)
PA (Mid) PA (Viva) PA
(Internal)
PA ALA ESE OEP
4 0 2 6 70 20 10 20 10 20 150
ESE : End Semester Examination, PA : Progress Assessment, ALA : Active Learning Assignments, OEP : Open Ended Problem

Prerequisite

Basic Electronics and Number Systems

Rationale

The students need to learn basic concepts of digital circuits and system which leads to design of complex digital system such as microprocessors. The students need to know combinational and sequential circuits using digital logic fundamentals. This is the first course by which students get exposure to digital electronics world.

Course Outcome

After learning the course the students should be able to explain about digital number systems and logic circuits. The student should be able to solve logic function minimization. The students should be able to differentiate between combinational and sequential circuits such as decoders, encoders, multiplexers, demultiplexers, flip-flops, counters, registers. They should be able to design using FSM. In the laboratory, they should be able to verify the functions of various digital integrated circuits. The students should be able state the specifications of logic families. They should be able to start writing HDL codes for various digital circuits. The student should be able to compare the design using digital circuits and PLDs. At the end they should be able to develop a course project using digital integrated circuits.

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Digital Electronics (2131004) – Syllabus

Topics Teaching Hrs Module Weightage

Binary Systems and Logic Circuits:

The Advantage of Binary, Number Systems, The Use of Binary in Digital Systems, Logic Gates, Logic Family Terminology.

3 5

Boolean Algebra and Mapping Methods:

Boolean Algebra, Karnaugh Maps, Variable Entered Maps, Realizing Logic Function with Gates, Combinational Design Examples.

7 15

Logic Function Realization with MSI Circuits:

Combinational Logic with Multiplexers and Decoders, Standard Logic Functions with MSI Circuits, Design Problem Using MSI Circuits.

7 15

Flip Flops, Counters and Registers:

Flip Flops and its Applications

8 15

Introduction to State Machines:

The Need for State Machines, The State Machine, Basic Concepts in State Machine Analysis.

3 5

Synchronous State Machine Design:

Sequential Counters, State Changes Referenced to Clock, Number of State Flip-Flops, Input Forming Logic, Output Forming Logic, Generation of a State Diagram from a Timing Chart, Redundant States, General State Machine Architecture

8 15

Asynchronous State Machines:

The Fundamental-Mode Model, Problems of Asynchronous Circuits Basic Design Principles, An Asynchronous Design Example.

7 15

Logic Families:

Transistor-Transistor Logic(TTL), Emitter-Coupled Logic(ECL), MOSFET Logic, TTL Gates.

4 5

Programmable Logic Devices:

Introduction to Programmable Logic Devices,Read-Only Memory, Programmable Logic Arrays (PLA), Programmable Array Logic (PAL),Combinational PLD-Based State Machines, State Machines on a Chip.

5 10

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