Digital Logic Note-Digital Logic

Digital Logic Note ELX 110 Notes

Uploaded By : sanzgrapher

Institutions : Pokhara University

Course : Digital Logic ELX 110

Author : Ashim Khadka

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Published: n/a

Description

Here is all chapter notes of Digital Logic .This Digital Logic Note cover all basic to advance concepts in easy to understand way with examples to solutions of numerical problems.

Digital Logic Note - All Chapter Notes with Numerical Solutions

This note contains following chapters and its sub contents that are discussed in this pdf.

Unit I: Introduction Notes

Compare analog and digital signal and system.
Use the information representation in any number system.

1.1 Analog and digital signal
I .2 Analog and digital system
I .3 Numerical representation
I .4 Digital number system

Unit II: Number Systems and Codes Notes

Deduce conversions among binary number systems.
Apply the different coding system to represent information.

2.1 Number systems
2.1. I Decimal
2.1.2 Binary
2. I .3 Octal
2. I .4 Hexadecimal
2.2 Number system conversion
2.3 Complements (radix and diminished-radix)
2.4 Subtraction using complements
2.5 Binary coding systems
2.5.1 Weighted codes (BCD, 84 -2 -l, and 242 1)
2.5.2 Non-weighted codes (Excess-3 and Gray)
2.6 Alphanumeric and instruction codes

Unit III: Boolean Algebra and Logic Gates Notes

Implement the simplified functions using simple and universal logic gates.

3.1 Boolean algebra (definition, properties, postulates, theorems)
3.2 Logic gates, truth tables and Boolean function
3.3 Duality principle and complements
3.4 Gate implementation
3.5 Universality of NAND and NOR gates

Unit I V: Simplification of Boolean Function Notes

Simplify the Boolean function using map method.

4.1 Venn diagram
4.2 Canonical forms and standard forms
4.3 Karnaugh map up to 5 variables
4.4 Minimum realization
4.5 Don't care conditions
4.6 Simplification in SOP and POS using K-map

Unit V: Combinational Circuit Notes

Design various combinational logic circuits and analyze them.

5.1 Design procedure
5.2 Adder and subtractor
5.3 Code conversion
5.4 Analysis procedure
5.5 NAND and NOR implementation
5.6 Multilevel NAND and NOR gates
5.7 Parity generator and checker

Unit VI: MSI and LSI Design Notes

Design and implement the parallel adder/subtractor, comparator, multiplexer/demultiplexer and encoder decoder.

6.1 Introduction to Integration technology
6.2 Parallel adder and subtractor
6.3 Decimal / BCD adder
6.4 Magnitude comparator
6.5 Multiplexer and demultiplexer
6.6 Encoder and Decoder,
6.7 ROM and PLA

Unit VII: Sequential Circuits Notes

Design and analyze sequential logic circuits.

7.1 Synchronous and asynchronous logic
7.2 Differences between Latch and fli-flop, Flip flops
(RS, JK, D, T) and their truth table, excitation table
and characteristic equation
7.3 Triggering of flip flops
7.4 State diagram and state table
7.5 State reduction and binary assignment
7.6 Design and analysis of clocked sequential circuit
7.7 Master-slave flip flops

Unit 8: Registers and Counters Notes

Design synchronous and asynchronous counters.

8.1 Register, shift register and types of Shift register
8.2 Synchronous counters
8.2.1 up to 4-bit counters
8. 3 Asynchronous counters
8.3. I BCD ripple counter,
8.3.2 Mod counter
8.4 Ring counter
8.5 Output hazar

Unit 9: Memory Unit and ALU Notes

Design and implement arithmetic logic unit.

9. I Random access memory
9.2 Design of arithmetic logic unit
Accumulator
9.4 Shifter and status register
9.5 Processor unit

What do this note contains

Discussion-based Tutorials
• Analog and digital signal and system.
• IC technology and parameters considered during fabrication
Sequential circuits and types
e Out ut hazard races
Problem solving-based Tutorials
Conversion of numbers among number systems
Simplification of Boolean functions in SOP and POS using theorems and
postulates.
Simplification of Boolean function in SOP and POS using K Map.
Logic gate implementation, used of NAND and NOR gates.
Implementation of Boolean function using various MSI and LSI components.
Design of various combinational circuits, code conversion circuits and parity
generation and checking circuits.
Design of synchronous sequential circuit from state diagram.
Design of synchronous and asynchronous counters.
Design of arithmetic and logic unit.