Contents

1. NUMBER SYSTEMS    

1.1  Introduction to Digital System

1.2  Number System

1.3  Codes 

2. LOGIC GATES 

2.1  Fundamental Concept of Boolean Algebra    

2.2  Logic Gates 

3. COMBINATIONAL LOGIC CIRCUITS  

3.1 Introduction

3.2 Standard (Canonical) Representations For Logical Functions

3.3 K-Map representation and minimization (for 2, 3 and 4 variables)   

3.5 Concept of Adders / Subtractors

3.6 Converter    

3.7  Multiplexers (Mux)

3.8 Demultiplxer (Demux)     

3.9 Encoder

3.10 Decoder     

4. SEQUENTIAL LOGIC CIRCUIT

4.1  Introduction

4.2 Trigger Levels used in the Flip-Flop Triggering  

4.4 Types of Flip-flop 

4.5 Excitation table of Flip-Flop  

4.6 Study of IC 7474 and IC 7475 (D Flip-flop) 

4.7 Applications of flip-flops     

4.8 Counters     

4.9  Types of Counters 

4.10 Counter Applications    

4.11 Shift Registers   

5. Logic Families    

5.1 Introduction

5.2 TTL Logic Family  

5.3 ECL logic family  

5.4 MOS Families

5.5 Comparison of Digital IC logic families    

5.6 Study of 7400 TTL series / CD 4000 series ICs