1st Edition

# Foundation of Digital Electronics and Logic Design

380 Pages 338 B/W Illustrations
by Jenny Stanford Publishing

380 Pages
by Jenny Stanford Publishing

Also available as eBook on:

This book focuses on the basic principles of digital electronics and logic design. It is designed as a textbook for undergraduate students of electronics, electrical engineering, computer science, physics, and information technology. The text covers the syllabi of several Indian and foreign universities. It depicts the comprehensive resources on the recent ideas in the area of digital electronics explored by leading experts from both industry and academia. A good number of diagrams are provided to illustrate the concepts related to digital electronics so that students can easily comprehend the subject. Solved examples within the text explain the concepts discussed and exercises are provided at the end of each chapter.

Combinational circuits
Introduction
Essential characteristics of digital circuits
Characteristics of an ideal digital logic element
Definition of truth table and different logic convention
Number system
Logic gates and logic circuits
XOR gate and its application
Enable inputs
Realization of inverter using transistor
Boolean algebra and postulates of Boolean algebra
De’Morgan’s theorem in dual form
Simplification of logical expression by using Boolean algebra
Logical expression in SSOP & SPOS form i.e. in Min and Max term form
NAND gate as a universal logic gate
NOR gate as a universal logic gate
Grey code and binary to Grey code conversion.
Karnaugh Map method for simplifying logical function
Completely and incompletely specified logical function
Minimization of incompletely specified logical function
Full Adder and Full Subtractor circuits
Addition of two n bit number in different methods
Combinational and Sequential circuit
Multiplexers design procedure and applications.
Demultiplexer its definition and applications
Decoder its definition, designing with decoder and its applications
Seven segment display devices
Decoder driver IC and its function and its cascading for multiple digit display.
Encoder
Priority Encoder design, study of octal to priority encoder IC 74148

Sequential Circuit
Introduction
Distinction between combinational and sequential circuits
Flip-Flops and its definition
Different types of Flip-Flops and their application.
Flip flop used as a frequency divider circuit
Racing problem
J-K Master slave Flip-Flop
Counter its definition modulus of counter
Design of various Synchronous and Asynchronous counters
Design procedure for Mod – 3 asynchronous counter
Design procedure for Mod – 5 asynchronous counter
Design procedure for synchronous counter
Design procedure for Mod – 5 synchronous counter using D Flip-Flop
Decoding error in asynchronous, synchronous serial carry and synchronous parallel counter
Distinction among A.C, SSC and SPC
Study of Different asynchronous counter chips such as 7490, 7493 etc
Design of Mod-8 Up/Down synchronous counter using J-K Flip-Flop
Application of various counter chips such as 74160, 74162, 74192

Memory
Computer Memory
Needs of Memory
Classification of Memory
Secondary Storage Devices
Cache Memory
Virtual memory
Memory devices
Semiconductor memory devices
Memory Organization
Bit and Byte organized memory
Different types of ROM.
Application of ROMs
Ferrite core memories
ROM by using decoder and gates and diode ROM
Different Memory chips
RAM testing on a PC

Timing Circuits
Introduction
Multivibrators
555 Timer IC
Generation of timing waveform using Op-amp
Registers and type
Ring counter and Johnson counter
Multiplexers as a parallel in- serial out register
Application Register
Design of a sequence generator
Error diction and correction codes
Display devices

Logic family
Introduction
Logic parameters
Logic family and RTL
DTL Logic family
HTL Logic family
TTL Logic family
Totem pole output configuration of TTL
Open Colector output
Wire AND logic for open collector TTL
Tristate Logic (TSL)- tristate inverter
Integrated injection logic
ECL logic family
Wired or connection of ECL logic
MOS logic family
CMOS logic family
Comparison among different logic family
Noise margin and fan out

Applications and relevant circuit
Introduction
Different types of Digital to Analog converter
Function of 8 bit D/A converter IC DAC0808/DAC1408
Function of 4 bit Arithmetic and Logic Unit (74181 IC)
A/D converter and sample & hold circuit
S/H amplifier lC-LF398
Description of different types of A/D converter
Microprocessor compatible 8 bit A/D converter IC ADC0809
Specifications of A/D converter
Specifications of D/A converter
Application of counters
Schmitt tigger circuit using transistor
Schmitt tigger circuit using Op-amp
4 bit True/Complement /Zero/One device
Digital IC’s, its various characteristics and different designation
Programmable Logic Array, Its function and design using PLA
Charge coupled devices its function and applications
Binary Multiplication and Division algorithm

### Biography

Subir Kumar Sarkar is professor in the Department of Electronics and Telecommunication Engineering, Jadavpur University, West Bengal, India. He has published five textbooks on engineering and more than 480 technical research papers in archived international and national journals and peer-reviewed conferences. Prof. Sarkar is a senior member of the IEEE; life fellow of the Institute of Engineers, India, and the Institution of Electronics and Telecommunication Engineers, India; and life member of the Indian Society for Technical Education and the Indian Association for the Cultivation of Science.

Asish Kumar De is associate professor in the Department of Electronics and Communication Engineering, National Institute of Technology, Durgapur, India. He has published around 20 research papers in archived international and national journals and peer-reviewed conferences. His research interests include nanodevice simulation and modeling and application of soft computing tools in device modeling. Prof. De has 10 years of research experience and has been teaching for more than 26 years.

Souvik Sarkar obtained his ME and PhD in engineering from Jadavpur University. He is an application consultant at IBM Global Business Services, India. He has published around 25 research publications in archived international and national journals and peer-reviewed conferences.

"This book is a comprehensive work by the authors that provides an understanding of the basic principles of digital electronics and logic design. It describes the functioning of digital circuits, both combinational and sequential, in detail. It also introduces the functioning of modern digital circuits in a simple manner, and problems are worked out for ease of understanding. As a textbook, it will benefit the student pursuing a first course in electrical or computer engineering."

—Prof. Goutam Ghosh, University of Calcutta, India

"This book has been excellently written to bridge the gap between theory and practice and to develop the prototype to showcase the talents. The presentation of the book is lucid with adequate figures, tables, and examples. The chapters on logic families, memories, and analog-to-digital and digital-to-analog converters will be useful for postgraduate students as well. Overall, I rate it a very good book."

—Prof. Prasanna Kumar Sahu, National Institute of Technology, Rourkela, India