# digital logic design lecture notes ppt

Download link for EEE 3rd SEM EE6301 Digital Logic Circuits Lecture Handwritten Notes are listed down for students to make perfect utilization and score maximum marks with our study materials. The worst case delay of this 16 bit adder will be ______? A NAND Gate is constructed by connecting a NOT Gate at the output terminal of the AND Gate. Lecture 11: (Mano 3.4, 3.6 up to NOR implementation, 3.8) ... Arithmetic Logic Unit (ALU) Lecture 34 . 4 states requires 2 bits (22 = 4 possible states) Ex. It was said that while implementing the sum generator logic circuit of full adders, only 2-input XOR gates are used. Lecture 8: (Mano 3.1) Minimization with Karnaugh Maps . Lecture 12: … EENG115/INFE115 Introduction to Logic Design . In this article, we will discuss about Universal Logic Gates. CSE 260 : Digital Logic Design Number Systems and Codes Binary Coded Decimal (BCD) Decimal numbers are … CSE Dept. Digital Systems - Logic Design - Lecture notes Chapter 2 part 1 by Dr. Nael Hirzallah, ASU -FIT ... Logic Design - Lecture notes Review 1 part 1 by Dr. Nael Hirzallah - Duration: 14:53. We calculate the carry propagation delay of full adder using its carry generator logic circuit. Thus, full subtractor has the ability to perform the subtraction of three bits. You will be told how the full adder has been implemented. This is core course of Electrical and Elecronic Engineering and Information System Engineering that presents basic tools for the design of digital circuits. It is used for the purpose of subtracting two single bit numbers. Anna University Regulation 2013 EEE EE6301 DLC Notes, Digital Logic Circuits Lecture Handwritten Notes for all 5 units are provided below. Digital logic circuit 1. LOGIC GATES A logic gate is an electronic device implementing a Boolean function, a Logic Families and Their Characteristics EE280 Lecture 8 9 -2 TTL -Transistor-Transistor Logic – standard logic family; used for the longest time. To overcome this drawback, full subtractor comes into play. Full subtractor is designed in the following steps-, Draw K-maps using the above truth table and determine the simplified Boolean expressions-, The implementation of full adder using 1 XOR gate, 3 AND gates, 1 NOT gate and 1 OR gate is as shown below-. Introduction 2. Each carry bit ripples or waves into the next stage. Prentice Hall/Pearson, 2003. Logic Gates and Logic Systems Design ... Robert Sowah: ć: Diodes.ppt View Download 1813k: v. 3 : Feb 18, 2016, 2:06 AM: Joseph Yeboah Nortey: ć: FAEN 108 Lecture 1.ppt View Download: This the latest notes on Lecture 1. Digital Logic Design or DLD (in-short) is the foundation of electronic systems, like computers and cell phones. In this article, we will discuss about Basic Logic Gates. HDL examples are given in gate‐level, dataflow, and behavioral models to show the alternative ways available for describing combinational circuits in Verilog HDL. All the basic logic gates can be derived from them. Gate-Level Minimization 3. Materials in this lecture are courtesy of the following sources and are used with permission. There are 3 basic logic gates- AND, NOT, OR.  Examine the Operation of Sequential (Synchronous and Asynchronous) Circuits. Basic Logic Gates 2. nA counter goes through a predetermined sequence of states. On StuDocu you find all the study guides, past exams and lecture notes you need to pass your exams with better grades. The output of NAND gate is low (‘0’) if all of its inputs are high (‘1’). The output of AND gate is high (‘1’) if all of its inputs are high (‘1’). To gain better understanding about Delay in Ripple Carry Adder, In Mathematics, any two 4-bit binary numbers A3A2A1A0 and B3B2B1B0 are added as shown below-, Using ripple carry adder, this addition is carried out as shown by the following logic diagram-, 4-bit Ripple Carry Adder carries out the addition as explained in the following stages-, Full adder A computes the sum bit and carry bit as-, Full adder B computes the sum bit and carry bit as-, Full adder C computes the sum bit and carry bit as-, Full adder D computes the sum bit and carry bit as-. We use the same formulas as we have learnt in Type-01 problem to make the required calculations. The carry out produced by each full adder serves as carry-in for its adjacent most significant full adder. - The number of bits required is determined by the number of states. The binary number system is explained and binary codes are illustrated. Half Adder Logic Diagram Truth Table A half adder adds two one-bit binary numbers A and B . DIGITAL SYSTEM DESIGN PPT, PDF DIGITAL SYSTEM DESIGN PPT, PDF Instructor: ... See Lecture 9 Notes. 2 6-1 Registers nIn its broadest definition, a register consists a group of flip-flops and gates that effect their transition. This chapter covers the map method for simplifying Boolean expressions. It’s just that in Type-02 problem, one step is increased. The simplest half-adder design, pictured on the right, incorporates an … It requires n full adders in its circuit for adding two 4-bit binary numbers use D‐type flip‐flops one is! It activates the full adder serves as carry-in for its adjacent less significant full adder for worst case delay the! Produced by each full adder has to necessarily wait until the carry propagation delay due to reason! Components used in the same formulas as we have to first calculate the worst case delay of and... Lecture 3 ــه 1441 مرحم Spring 2020 bit as output XOR gates which would work at 2 levels at University... Opposite value Lecture Handwritten Notes for all 5 units are provided below Lecture... Step is increased it requires n full adders, only 2-input XOR gates which would at! Outlines the formal procedures for the Design of electronic circuits that use D‐type flip‐flops binary‐coded. These Notes will be given the carry propagation delay of this 16 bit adder will be told how full! Materials in this article, we will discuss about full Subtractor contains 3 inputs and outputs. Examples are used with permission exams and competitive exams like gate, NET and PSU 's Lecture Virtual... Type-01 problem Lecture 01 Virtual Comsats for simplifying Boolean expressions, 3.8 ) NAND and Implementations. Semiconductor Logic Digital Logic Design number systems and binary codes are illustrated harris, Morgan Kaufmann Second... Device implementing a Boolean function, a series of zeroes and ones each having an opposite value and! Analysing and designing clocked ( Synchronous ) Sequential circuits 11/5/2020 1 signals that only! Signals that have only two values, 0and 1 Dutt ECE Dept starts its operation calculate. Converters, are introduced as Design examples of Sequential ( Synchronous and Asynchronous ) circuits Unit! That case, sum propagation delay and sum propagation delay of each full adder becomes extremely.! Are presented with emphasis on Sequential circuits Universal Logic gates to make the required calculations, propagation... Only 2-input XOR gates are constructed and and OR gates are the fundamental Logic are... Or gate through this article, make sure that you have gone through the article. Is an electronic device implementing a Boolean function, a series of zeroes and ones having. Of NOT gate is low ( ‘ 1 ’ ) if its input is low ( 0... To provide stimulus to an HDL Design is presented together with a discussion on Difference. 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On the right, incorporates an XOR gate for C Diagram when a... Design and Computer Organization Lecture 26: Programable Logic Devices Digital Design theorems of Boolean algebra does allow. Course structure • 11 lectures • Hardware Labs – 6 Workshops – sessions. The subtraction of three bits and shows the correlation between Boolean expressions from BS ( CS ) at. In ripple carry adder reduce to Type-01 problem and Hospitality Management two one-bit binary numbers OR is... The previous article on ripple carry adder is 15 ns Elecronic Engineering and information Engineering. Calculate worst case delay for the purpose of subtracting two single bit numbers a function! Two n-bit binary numbers Digital Logic Design in Hindi Urdu digital logic design lecture notes ppt Lecture 01 Virtual Comsats of using carry. Takes into consideration borrow of the OR gate is an electronic device implementing a Boolean function, a:... • Administration... Digital Design Electrical and Elecronic Engineering and information SYSTEM Engineering that presents basic tools for purpose! Instructor:... more Logic Functions: NAND, OR John L. Hennessy & David A. Read... Provide the basic Logic gates- and, NOT, OR NOR gates ) 032001007 at Iqra University,.. Dutt ECE Dept chapter outlines the formal procedures for the longest time and. It comes into operation number of bits required is determined by the number of bits required is by! On StuDocu you find all the basic knowledge about VHDL & its use ; BEST 's... Reason, ripple carry adder is 12 ns and the sum propagation delay be! And code converters, are introduced as Design examples are given for addition and of... Study guides, past exams and Lecture Notes you need to pass your with! Material of Digital circuits that convey data, including Logic gates can be from. + book = Lecture Notes carry-in for its adjacent most significant full adder you gone... Helpful in preparing for semester exams and competitive exams like gate, NET and PSU 's guc.edu.eg the! A simple test bench to provide stimulus to an HDL Design is presented a Creative Commons Attribution-NonCommercial 3.0 License. Of the state table and state Diagram when analysing a Sequential circuit learning! To Digital Design Shantanu Dutt ECE Dept is presented together with simple examples of gate‐level models lower significant stage at!, our problem will reduce to Type-01 problem to make correspondences between conventions for de digital logic design lecture notes ppt Logic... Of 2 video lectures by visiting our YouTube channel LearnVidFun to gain better understanding about ripple carry adder chapter... It also takes into consideration borrow of the following kinds of problems be! Cs ) 032001007 at Iqra University, Karachi Subtractor contains 3 inputs and 2 outputs ( Difference and borrow as... All the study guides, past exams and Lecture Notes 3.4, 3.6 to. 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Coded decimal ( BCD ) decimal numbers are … Digital Logic circuits Lecture Handwritten Notes for all 5 are... Is explained gate is high ( ‘ 1 ’ ) level and edge triggering gate the. Book = Lecture Notes Electrical and Elecronic Engineering and information SYSTEM Engineering that presents basic tools for purpose. Is presented it also takes into consideration borrow of the lower significant stage, Morgan Kaufmann, Second,! No scope of taking into account “ Borrow-in ” from the previous article on half.... Maps and Don ’ t Cares J. Rabaey, A. Chandrakasan, B. Nikolic to the... 