ENGR 303 Introduction to Logic Design Lecture 10. Dr. Chuck Brown Engineering and Computer Information Science Folsom Lake College
|
|
- Domenic Norris
- 5 years ago
- Views:
Transcription
1 ENG 33 Introduction to Logic esign Lecture r. Chuck Brown Engineering and Computer Information cience Folsom Lake College
2 Outline for Todays Lecture equential Circuits Latches egisters Flip-Flops ENG 33 <2>
3 equential Circuits Outputs of sequential logic depend on current and prior input values it has memory. ome definitions: tate: all the information about a circuit necessary to explain its future behavior Latches and flip-flops: state elements that store one bit of state ynchronous sequential circuits: combinational logic followed by a bank of flip-flops ENG 33 <3>
4 equential Circuits Give sequence to events Have memory (short-term) Use feedback from output to input to store information ENG 33 <4>
5 tate Elements The state of a circuit influences its future behavior tate elements store state Bistable circuit Latch Latch Flip-flop ENG 33 <5>
6 Bistable Circuit Fundamental building block of other state elements Two outputs:, No inputs I2 I I I2 ENG 33 <6>
7 Bistable Circuit Analysis Consider the two possible cases: = : then =, = (consistent) I I2 = : then =, = (consistent) I I2 tores bit of state in the state variable, (or ) But there are no inputs to control the state ENG 33 <7>
8 (et/eset) Latch Latch N N2 Consider the four possible cases: =, = =, = =, = =, = ENG 33 <8>
9 Latch Analysis =, = : then = and = N N2 =, = : then = and = N N2 ENG 33 <9>
10 Latch Analysis =, = : then = and = et the output N N2 =, = : then = and = eset the output N N2 ENG 33 <>
11 Latch Analysis =, = : prev = prev = then = prev N N N2 N2 =, = : then =, = N N2 ENG 33 <>
12 Latch Analysis =, = : prev = prev = then = prev Memory! N N N2 N2 =, = : then =, = Invalid tate NOT ENG 33 N N2 <2>
13 Latch ymbol stands for et/eset Latch tores one bit of state () Control what value is being stored with, inputs et: Make the output ( =, =, = ) eset: Make the output ( =, =, = ) Latch ymbol ENG 33 <3>
14 Latch Two inputs:, : controls when the output changes (the data input): controls what the output changes to Function When =, passes through to (transparent) When =, holds its previous value (opaque) Avoids invalid case when NOT ENG 33 Latch ymbol <4>
15 Latch Internal Circuit X ENG 33 <5>
16 Latch Internal Circuit X X prev prev Verilog module latch (input clk, d, output reg q); (clk, d) if (clk) q <= d; endmodule ENG 33 <6>
17 Flip-Flop Inputs:, Function amples on rising edge of When rises from to, passes through to Otherwise, holds its previous value changes only on rising edge of Called edge-triggered Activated on the clock edge ENG 33 Flip-Flop ymbols Verilog module flop (input clk, d, output reg q); (posedge clk) q <= d; endmodule <7>
18 Flip-Flop Internal Circuit Two back-to-back latches (L and L2) controlled by complementary clocks When = L is transparent L2 is opaque passes through to N When = L2 is transparent L is opaque N passes through to L N L2 Thus, on the edge of the clock (when rises from ) passes through to ENG 33 <8>
19 Latch vs. Flip-Flop (latch) (flop) ENG 33 <9>
20 Latch vs. Flip-Flop (latch) (flop) ENG 33 <2>
21 egisters 3: 4 4 3: 2 2 Verilog module register (input clk, input [3:] d, output reg [3:] q); (posedge clk) q <= d; endmodule 3 3 ENG 33 <2>
22 Enabled Flip-Flops Inputs:,, EN The enable input (EN) controls when new data () is stored Function EN = : passes through to on the clock edge EN = : the flip-flop retains its previous state EN Internal Circuit ymbol EN Verilog module flopenr (input clk, reset, en, input [3:] d, output reg [3:] q); // asynchronous reset (posedge clk, posedge reset) if (reset) q <= 4 b; else if (en) q <= d; endmodule ENG 33 <22>
23 esettable Flip-Flops Inputs:,, eset Function: eset = : is forced to eset = : flip-flop behaves as ordinary flip-flop ymbols eset r Verilog module flopenr (input clk, reset, en, input [3:] d, output reg [3:] q); // asynchronous reset (posedge clk, posedge reset) if (reset) q <= 4 b; else if (en) q <= d; endmodule ENG 33 <23>
24 esettable Flip-Flops Two types: ynchronous: resets at the clock edge only Asynchronous: resets immediately when eset = Asynchronously resettable flip-flop requires changing the internal circuitry of the flip-flop ynchronously resettable flip-flop? ENG 33 <24>
25 esettable Flip-Flops Two types: ynchronous: resets at the clock edge only Asynchronous: resets immediately when eset = Asynchronously resettable flip-flop requires changing the internal circuitry of the flip-flop ynchronously resettable flip-flop? Internal Circuit eset ENG 33 <25>
26 ettable Flip-Flops Inputs:,, et Function: et = : is set to et = : the flip-flop behaves as ordinary flip-flop ymbols et s ENG 33 <26>
give sequence to events have memory (short-term) use feedback from output to input to store information
Chapter 3 :: equential Logic esign Chapter 3 :: Topics igital esign and Computer Architecture avid Money Harris and arah L. Harris Introduction Latches and Flip-Flops ynchronous Logic esign Finite tate
More informationCOSC 243. Sequential Logic. COSC 243 (Computer Architecture) Lecture 5 - Sequential Logic 1
COC 243 equential Logic COC 243 (Computer Architecture) Lecture 5 - equential Logic 1 Overview Last Lecture This Lecture equential logic circuits ource: Chapter 11 (10 th edition) Next Lecture Computer
More informationDigital Logic & Computer Design CS Professor Dan Moldovan Spring Chapter 3 :: Sequential Logic Design
igital Logic & Computer esign CS 4341 Professor an Moldovan Spring 21 Copyright 27 Elsevier 3- Chapter 3 :: Sequential Logic esign igital esign and Computer Architecture avid Money Harris and Sarah
More informationLecture 7: Sequential Networks
Lecture 7: Sequential Networks CSE 14: Components and Design Techniques for Digital Systems Spring 214 CK Cheng, Diba Mirza Dept. of Computer Science and Engineering University of California, San Diego
More informationSequential logic. Circuits with feedback. How to control feedback? Sequential circuits. Timing methodologies. Basic registers
equential logic equential circuits simple circuits with feedback latches edge-triggered flip-flops Timing methodologies cascading flip-flops for proper operation clock skew Basic registers shift registers
More informationSequential Logic. Sequential Circuits. ! Timing Methodologies " Cascading flip-flops for proper operation " Clock skew
equential Logic! equential Circuits " imple circuits with feedback " Latches " Edge-triggered flip-flops! Timing Methodologies " Cascading flip-flops for proper operation " Clock skew! Basic egisters "
More informationComputer Organization and Components
2 Course tructure Computer Organization and Components odule 4: emory Hierarchy odule : esign I5, fall 24 Lecture 2: equential esign F C Ö F2 C Ö2 F7b Lab: dicom F odule 2: C and ssembly Programming ssociate
More informationSequential Circuits. Sequential Logic. Circuits with Feedback. Simplest Circuits with Feedback. Memory with Cross-coupled Gates.
equential Logic equential Circuits equential Circuits imple circuits with feedback Latches Edge-triggered flip-flops Timing Methodologies Cascading flip-flops for proper operation Clock skew Basic egisters
More information! Two inverters form a static memory cell " Will hold value as long as it has power applied
equential Logic! equential Circuits " imple circuits with feedback " Latches " Edge-triggered flip-flops! Timing Methodologies " Cascading flip-flops for proper operation " Clock skew! Basic egisters "
More informationEngr354: Digital Logic Circuits
Engr354: igital Circuits Chapter 7 Sequential Elements r. Curtis Nelson Sequential Elements In this chapter you will learn about: circuits that can store information; Basic cells, latches, and flip-flops;
More information6. Sequential Logic Flip-Flops
ection 6. equential Logic Flip-Flops Page of 5 6. equential Logic Flip-Flops ombinatorial components: their output values are computed entirely from their present input values. equential components: their
More information211: Computer Architecture Summer 2016
211: Computer Architecture Summer 2016 Liu Liu Topic: Storage Project3 Digital Logic - Digital Logic: Recap - Review: truth table => SOP => simplification - dual / complement - Minterm / Maxterm - SOP
More informationSwitching Circuits & Logic Design
witching Circuits & Logic esign Jie-Hong oland Jiang 江介宏 epartment of Electrical Engineering National Taiwan University Fall 24 Latches and Flip-Flops http://www3.niaid.nih.gov/topics/malaria/lifecycle.htm
More information(CSC-3501) Lecture 7 (07 Feb 2008) Seung-Jong Park (Jay) CSC S.J. Park. Announcement
Seung-Jong Park (Jay) http://www.csc.lsu.edu/~sjpark Computer Architecture (CSC-3501) Lecture 7 (07 Feb 2008) 1 Announcement 2 1 Combinational vs. Sequential Logic Combinational Logic Memoryless Outputs
More informationLATCHES & FLIP-FLOP. Chapter 7
LATCHES & FLIP-FLOP Chapter 7 INTRODUCTION Latch and flip flops are categorized as bistable devices which have two stable states,called SET and RESET. They can retain either of this states indefinitely
More informationUNIT 11 LATCHES AND FLIP-FLOPS
UNIT 11 LATCHE AN FLIP-FLOP pring 2011 Latches and Flip-Flops 2 Contents et-eset latch Gated latch Edge-triggered flip-flop - flip-flop J-K flip-flop T flip-flop Flip-flops with additional inputs eading
More informationChapter 6. Flip-Flops and Simple Flip-Flop Applications
Chapter 6 Flip-Flops and Simple Flip-Flop Applications Basic bistable element It is a circuit having two stable conditions (states). It can be used to store binary symbols. J. C. Huang, 2004 Digital Logic
More information12/31/2010. Overview. 12-Latches and Flip Flops Text: Unit 11. Sequential Circuits. Sequential Circuits. Feedback. Feedback
2/3/2 Overview 2-atches and Flip Flops Text: Unit equential Circuits et/eset atch Flip-Flops ECEG/IC 2 igital Operations and Computations Winter 2 r. ouie 2 equential Circuits equential circuits: Output
More informationLecture 8: Sequential Logic
Lecture 8: Sequential Logic Last lecture discussed how we can use digital electronics to do combinatorial logic we designed circuits that gave an immediate output when presented with a given set of inputs
More informationFundamentals of Computer Systems
Fundamentals of Computer Systems Sequential Logic Stephen A. Edwards Columbia University Fall 2012 State-Holding Elements Bistable Elements Equivalent circuits; right is more traditional. Two stable states:
More informationGive sequence to events Have memory y( (short-term) Use feedback from output to input to store information
Chapter 3 :: equential Logi esign igital esign and Computer Arhiteture avid Money Harris and arah L. Harris Chapter 3 :: Topis Introdution Lathes and Flip-Flops ynhronous Logi esign Finite tate Mahines
More informationEECS 3201: Digital Logic Design Lecture 9. Ihab Amer, PhD, SMIEEE, P.Eng.
EECS 3201: Digital Logic Design Lecture 9 Ihab Amer, PhD, SMIEEE, P.Eng. Progress so far 2 Digital Logic Classification Digital Logic Combinational o/p s depend on i/p s only E.g. Logic Gates Sequential
More information3 Flip-Flops. The latch is a logic block that has 2 stable states (0) or (1). The RS latch can be forced to hold a 1 when the Set line is asserted.
3 Flip-Flops Flip-flops and latches are digital memory circuits that can remain in the state in which they were set even after the input signals have been removed. This means that the circuits have a memory
More informationEMT 125 Digital Electronic Principles I CHAPTER 6 : FLIP-FLOP
EMT 125 Digital Electronic Principles I CHAPTER 6 : FLIP-FLOP 1 Chapter Overview Latches Gated Latches Edge-triggered flip-flops Master-slave flip-flops Flip-flop operating characteristics Flip-flop applications
More informationSequential Circuits. Output depends only and immediately on the inputs Have no memory (dependence on past values of the inputs)
Sequential Circuits Combinational circuits Output depends only and immediately on the inputs Have no memory (dependence on past values of the inputs) Sequential circuits Combination circuits with memory
More informationChapter 1: Switching Algebra Chapter 2: Logical Levels, Timing & Delays. Introduction to latches Chapter 9: Binary Arithmetic
12.12.216 Chapter 5 Flip Flops Dr.-ng. Stefan Werner /14 Table of content Chapter 1: Switching Algebra Chapter 2: Logical Levels, Timing & Delays Chapter 3: Karnaugh-Veitch-Maps Chapter 4: Combinational
More informationFundamentals of Computer Systems
Fundamentals of Computer Systems Sequential Logic Stephen A. Edwards Columbia University Summer 2016 State-Holding Elements Bistable Elements S Latch Latch Positive-Edge-Triggered Flip-Flop Flip-Flop with
More informationSequential Circuit W CLK. CMSC 2833 Lecture 42. Steps:
. ynchronous equential Circuit Design CMC 8 Lecture ynchronous equential Circuit Design teps:. Read the problem specification and reduce to a block diagram.. Find the block that is a sequential circuit
More informationLatches, Flip-Flops, and Registers. Dr. Ouiem Bchir
Latches, Flip-Flops, and Registers (Chapter #7) Dr. Ouiem Bchir The slides included herein were taken from the materials accompanying Fundamentals of Logic Design, 6 th Edition, by Roth and Kinney. Sequential
More informationSequential Logic Circuits
Sequential Logic Circuits By Dr. M. Hebaishy Digital Logic Design Ch- Rem.!) Types of Logic Circuits Combinational Logic Memoryless Outputs determined by current values of inputs Sequential Logic Has memory
More informationENGN3213 Digital Systems and Microprocessors Sequential Circuits
ENGN3213 Digital Systems and Microprocessors Sequential Circuits 1 ENGN3213: Digital Systems and Microprocessors L#9-10 Why have sequential circuits? Sequential systems are time sequential devices - many
More informationELCT201: DIGITAL LOGIC DESIGN
ELCT201: DIGITAL LOGIC DESIGN Dr. Eng. Haitham Omran, haitham.omran@guc.edu.eg Dr. Eng. Wassim Alexan, wassim.joseph@guc.edu.eg Lecture 6 Following the slides of Dr. Ahmed H. Madian ذو الحجة 1438 ه Winter
More informationcascading flip-flops for proper operation clock skew Hardware description languages and sequential logic
equential logic equential circuits simple circuits with feedback latches edge-triggered flip-flops Timing methodologies cascading flip-flops for proper operation clock skew Basic registers shift registers
More informationSequential Logic. E&CE 223 Digital Circuits and Systems (A. Kennings) Page 1
Sequential Logic E&CE 223 igital Circuits and Systems (A. Kennings) Page 1 Sequential Circuits Have considered only combinational circuits in which circuit outputs are determined entirely by current circuit
More informationELCT201: DIGITAL LOGIC DESIGN
ELCT201: DIGITAL LOGIC DESIGN Dr. Eng. Haitham Omran, haitham.omran@guc.edu.eg Dr. Eng. Wassim Alexan, wassim.joseph@guc.edu.eg Lecture 7 Following the slides of Dr. Ahmed H. Madian محرم 1439 ه Winter
More informationModeling Latches and Flip-flops
Lab Workbook Introduction Sequential circuits are the digital circuits in which the output depends not only on the present input (like combinatorial circuits), but also on the past sequence of inputs.
More informationCAD FOR VLSI DESIGN - I Lecture 32. V. Kamakoti and Shankar Balachandran
CD FOR VLSI DESIGN - I Lecture 32 V. Kamakoti and Shankar Balachandran Flip-flops with synchronous Preset and Clear Inferring a flip-flop with synchronous Preset and Clear comes out of a combination of
More informationDEPARTMENT OF ELECTRICAL &ELECTRONICS ENGINEERING DIGITAL DESIGN
DEPARTMENT OF ELECTRICAL &ELECTRONICS ENGINEERING DIGITAL DESIGN Assoc. Prof. Dr. Burak Kelleci Spring 2018 OUTLINE Synchronous Logic Circuits Latch Flip-Flop Timing Counters Shift Register Synchronous
More informationD Latch (Transparent Latch)
D Latch (Transparent Latch) -One way to eliminate the undesirable condition of the indeterminate state in the SR latch is to ensure that inputs S and R are never equal to 1 at the same time. This is done
More informationFundamentals of Computer Systems
Fundamentals of omputer Systems Sequential Logic Martha A. Kim olumbia University Spring 2016 1/1 2/1 Bistable Elements Equivalent circuits; right is more traditional. Two stable states: 0 1 1 0 3/1 S
More informationSynchronous Sequential Logic
Synchronous Sequential Logic -A Sequential Circuit consists of a combinational circuit to which storage elements are connected to form a feedback path. The storage elements are devices capable of storing
More informationSequential Design Basics
Sequential Design Basics Lecture 2 topics A review of devices that hold state A review of Latches A review of Flip-Flops Unit of text Set-Reset Latch/Flip-Flops/D latch/ Edge triggered D Flip-Flop 8/22/22
More informationALGORITHMS IN HW EECS150 ALGORITHMS IN HW. COMBINATIONAL vs. SEQUENTIAL. Sequential Circuits ALGORITHMS IN HW
LGOITHM HW EEC150 ection 2 Introduction to equential Logic Fall 2001 pproach #2: Combinational divide & conquer a[0] a[1] a[1022] a[1023] MX MX MX 512 + 256 + K+ 1 = 1023 blocks Each MX block has: 64 s;
More informationDigital Circuit And Logic Design I. Lecture 8
Digital Circuit And Logic Design I Lecture 8 Outline Sequential Logic Design Principles (1) 1. Introduction 2. Latch and Flip-flops 3. Clocked Synchronous State-Machine Analysis Panupong Sornkhom, 2005/2
More informationDigital Circuit And Logic Design I
Digital Circuit And Logic Design I Lecture 8 Outline Sequential Logic Design Principles (1) 1. Introduction 2. Latch and Flip-flops 3. Clocked Synchronous State-Machine Panupong Sornkhom, 2005/2 2 1 Sequential
More informationBasis of sequential circuits: the R-S latch
equential logic Asynchronous sequential logic state changes occur whenever state inputs change (elements may be simple wires or delay elements) ynchronous sequential logic state changes occur in lock step
More informationLogic Design. Flip Flops, Registers and Counters
Logic Design Flip Flops, Registers and Counters Introduction Combinational circuits: value of each output depends only on the values of inputs Sequential Circuits: values of outputs depend on inputs and
More informationTraversing Digital Design. EECS Components and Design Techniques for Digital Systems. Lec 22 Sequential Logic - Advanced
Traversing igital esign EEC 5 - Components and esign Techniques for igital ystems EEC5 wks 6-5 Lec 22 equential Logic - Advanced avid Culler Electrical Engineering and Computer ciences University of California,
More informationFlip-flop and Registers
ECE 322 Digital Design with VHDL Flip-flop and Registers Lecture Textbook References n Sequential Logic Review Stephen Brown and Zvonko Vranesic, Fundamentals of Digital Logic with VHDL Design, 2 nd or
More informationECE 545 Digital System Design with VHDL Lecture 1. Digital Logic Refresher Part B Sequential Logic Building Blocks
ECE 545 igital System esign with VHL Lecture igital Logic Refresher Part B Sequential Logic Building Blocks Lecture Roadmap Sequential Logic Sequential Logic Building Blocks Flip-Flops, Latches Registers,
More informationDigital Logic Design Sequential Circuits. Dr. Basem ElHalawany
Digital Logic Design Sequential Circuits Dr. Basem ElHalawany Combinational vs Sequential inputs X Combinational Circuits outputs Z A combinational circuit: At any time, outputs depends only on inputs
More informationComputer Science 324 Computer Architecture Mount Holyoke College Fall Topic Notes: Sequential Circuits
Computer Science 324 Computer Architecture Mount Holyoke College Fall 2007 opic Notes: Sequential Circuits Let s think about how life can be bad for a circuit. Edge Detection Consider this one: What is
More informationChapter 11 Latches and Flip-Flops
Chapter 11 Latches and Flip-Flops SKEE1223 igital Electronics Mun im/arif/izam FKE, Universiti Teknologi Malaysia ecember 8, 2015 Types of Logic Circuits Combinational logic: Output depends solely on the
More informationLatches and Flip-Flops UNIT 11 LATCHES AND FLIP-FLOPS. How to Remember the Past? Recap: Two Types of Switching Circuits. Iris Hui-Ru Jiang Spring 2010
atches and Flip-Flops UNI ACHE AN FI-FO 2 Contents et-eset latch Gated latch Edge-triggered flip-flop - flip-flop - flip-flop flip-flop Flip-flops with additional inputs eading Unit Iris Hui-u iang pring
More informationLearning Outcomes. Unit 13. Sequential Logic BISTABLES, LATCHES, AND FLIP- FLOPS. I understand the difference between levelsensitive
1.1 1. Learning Outcomes Unit 1 I understand the difference between levelsensitive and edge-sensitive I understand how to create an edge-triggered FF from latches Sequential Logic onstructs 1. 1.4 Sequential
More informationECE 341. Lecture # 2
ECE 341 Lecture # 2 Instructor: Zeshan Chishti zeshan@pdx.edu October 1, 2014 Portland State University Announcements Course website reminder: http://www.ece.pdx.edu/~zeshan/ece341.htm Homework 1: Will
More informationUnit 4. Sequential Systems
Unit 4. equential ystems Contents Basic Concepts Latches and flip-flops egisters Counters Bibliography igital fundamentals. Thomas Floyd. Prentice-Hall. igital esign. M. Morris Mano. Prentice-Hall Introduction
More informationIntroduction to Digital Logic Missouri S&T University CPE 2210 Flip-Flops
Introduction to igital Logic Missouri S&T University CPE 2210 Flip-Flops Egemen K. Çetinkaya Egemen K. Çetinkaya epartment of Electrical & Computer Engineering Missouri University of Science and Technology
More informationUnit 9 Latches and Flip-Flops. Dept. of Electrical and Computer Eng., NCTU 1
Unit 9 Latches and Flip-Flops Dept. of Electrical and Computer Eng., NCTU 1 9.1 Introduction Dept. of Electrical and Computer Eng., NCTU 2 What is the characteristic of sequential circuits in contrast
More informationRegisters and Counters
Registers and Counters ( 范倫達 ), Ph. D. Department of Computer Science National Chiao Tung University Taiwan, R.O.C. Fall, 2017 ldvan@cs.nctu.edu.tw http://www.cs.nctu.edu.tw/~ldvan/ Registers Shift Registers
More informationChapter 6. sequential logic design. This is the beginning of the second part of this course, sequential logic.
Chapter 6. sequential logic design This is the beginning of the second part of this course, sequential logic. 1 equential logic equential circuits simple circuits with feedback latches edge-triggered flip-flops
More informationLogic Design ( Part 3) Sequential Logic (Chapter 3)
o Far: Combinational Logic Logic esign ( Part ) equential Logic (Chapter ) Based on slides McGraw-Hill Additional material 24/25/26 Lewis/Martin Additional material 28 oth Additional material 2 Taylor
More informationCOE 202: Digital Logic Design Sequential Circuits Part 1. Dr. Ahmad Almulhem ahmadsm AT kfupm Phone: Office:
COE 202: Digital Logic Design Sequential Circuits Part 1 Dr. Ahmad Almulhem Email: ahmadsm AT kfupm Phone: 860-7554 Office: 22-324 Objectives Sequential Circuits Memory Elements Latches Flip-Flops Combinational
More informationP U Q Q*
ECE 27 Learning Outcome 3 - - Practice Exam A LEARNING OUTCOME #3: an ability to analyze and design sequential logic circuits. Multiple Choice select the single most appropriate response for each question.
More informationECE 545 Digital System Design with VHDL Lecture 2. Digital Logic Refresher Part B Sequential Logic Building Blocks
ECE 545 igital System esign with VHL Lecture 2 igital Logic Refresher Part B Sequential Logic Building Blocks Lecture Roadmap Sequential Logic Sequential Logic Building Blocks Flip-Flops, Latches Registers,
More informationDigital Fundamentals: A Systems Approach
Digital Fundamentals: A Systems Approach Latches, Flip-Flops, and Timers Chapter 6 Traffic Signal Control Traffic Signal Control: State Diagram Traffic Signal Control: Block Diagram Traffic Signal Control:
More informationCHAPTER 1 LATCHES & FLIP-FLOPS
CHAPTER 1 LATCHES & FLIP-FLOPS 1 Outcome After learning this chapter, student should be able to; Recognize the difference between latches and flipflops Analyze the operation of the flip flop Draw the output
More informationComputer Science 324 Computer Architecture Mount Holyoke College Fall Topic Notes: Sequential Circuits
Computer Science 324 Computer Architecture Mount Holyoke College Fall 2009 opic Notes: Sequential Circuits Let s think about how life can be bad for a circuit. Edge Detection Consider this one: What is
More informationNote that none of the above MAY be a VALID ANSWER.
ECE 27 Learning Outcome 3 - - Practice Exam / Solution LEARNING OUTCOME #3: an ability to analyze and design sequential logic circuits. Multiple Choice select the single most appropriate response for each
More informationModule 4:FLIP-FLOP. Quote of the day. Never think you are nothing, never think you are everything, but think you are something and achieve anything.
Module 4:FLIP-FLOP Quote of the day Never think you are nothing, never think you are everything, but think you are something and achieve anything. Albert Einstein Sequential and combinational circuits
More informationUnit-5 Sequential Circuits - 1
Unit-5 Sequential Circuits - 1 1. With the help of block diagram, explain the working of a JK Master-Slave flip flop. 2. Differentiate between combinational circuit and sequential circuit. 3. Explain Schmitt
More informationReview of Flip-Flop. Divya Aggarwal. Student, Department of Physics and Astro-Physics, University of Delhi, New Delhi. their state.
pp. 4-9 Krishi Sanskriti Publications http://www.krishisanskriti.org/jbaer.html Review of Flip-Flop Divya Aggarwal Student, Department of Physics and Astro-Physics, University of Delhi, New Delhi Abstract:
More informationFeedback Sequential Circuits
Feedback Sequential Circuits sequential circuit output depends on 1. current inputs 2. past sequence of inputs current state feedback sequential circuit uses ordinary gates and feedback loops to create
More informationCSE140: Components and Design Techniques for Digital Systems. More D-Flip-Flops. Tajana Simunic Rosing. Sources: TSR, Katz, Boriello & Vahid
CSE140: Components and esign Techniques for igital Systems More -Flip-Flops Tajana Simunic Rosing Where we are now. What we covered last time: SRAM cell, SR latch, latch, -FF What we ll do next: -FF review,
More informationSwitching Circuits & Logic Design
Switching Circuits & Logic Design Jie-Hong oland Jiang 江介宏 Department of Electrical Engineering National Taiwan University Fall 22 Latches and Flip-Flops http://www3.niaid.nih.gov/topics/malaria/lifecycle.htm
More informationThe outputs are formed by a combinational logic function of the inputs to the circuit or the values stored in the flip-flops (or both).
1 The outputs are formed by a combinational logic function of the inputs to the circuit or the values stored in the flip-flops (or both). The value that is stored in a flip-flop when the clock pulse occurs
More informationRegisters & Counters. BME208 Logic Circuits Yalçın İŞLER
Registers & ounters BME28 Logic ircuits Yalçın İŞLER islerya@yahoo.com http://me.islerya.com Registers Registers are clocked sequential circuits A register is a group of flip-flops 2 Each flip-flop capable
More informationChapter 6. sequential logic design. This is the beginning of the second part of this course, sequential logic.
Chapter 6. sequential logic design This is the beginning of the second part of this course, sequential logic. equential logic equential circuits simple circuits with feedback latches edge-triggered flip-flops
More informationSpring 2017 EE 3613: Computer Organization Chapter 5: The Processor: Datapath & Control - 1
Spring 27 EE 363: Computer Organization Chapter 5: The Processor: atapath & Control - Avinash Kodi epartment of Electrical Engineering & Computer Science Ohio University, Athens, Ohio 457 E-mail: kodi@ohio.edu
More informationCSE115: Digital Design Lecture 23: Latches & Flip-Flops
Faculty of Engineering CSE115: Digital Design Lecture 23: Latches & Flip-Flops Sections 7.1-7.2 Suggested Reading A Generic Digital Processor Building Blocks for Digital Architectures INPUT - OUTPUT Interconnect:
More informationNo feedback between inputs and outputs combinational What is charge sharing?
EEC 1 Lab http://ziyang.eecs.umich.edu/ dickrp/eecs1/ Teacher: Office: Email: Phone: Cellphone: 17-G EEC dickrp@eecs.umich.edu 7 7 9 7 1 HW engineers GI: Email: Can assume first stage is like an inverter,
More informationRangkaian Sekuensial. Flip-flop
Rangkaian Sekuensial Rangkaian Sekuensial Flip-flop Combinational versus Sequential Functions Logic functions are categorized as being either combinational (sometimes referred to as combinatorial) or sequential.
More informationECE 545 Digital System Design with VHDL Lecture 1B. Digital Logic Refresher Part B Sequential Logic Building Blocks
ECE 545 igital System esign with VHL Lecture B igital Logic Refresher Part B Sequential Logic Building Blocks Lecture Roadmap Sequential Logic Sequential Logic Building Blocks Flip-Flops, Latches Registers,
More informationBISHOP ANSTEY HIGH SCHOOL & TRINITY COLLEGE EAST SIXTH FORM CXC CAPE PHYSICS, UNIT 2 Ms. S. S. CALBIO NOTES lesson #39
BISHOP ANSTEY HIGH SCHOOL & TRINITY COLLEGE EAST SIXTH FORM CXC CAPE PHYSICS, UNIT 2 Ms. S. S. CALBIO NOTES lesson #39 Objectives: Students should be able to Thursday 21 st January 2016 @ 10:45 am Module
More informationELE2120 Digital Circuits and Systems. Tutorial Note 7
ELE2120 Digital Circuits and Systems Tutorial Note 7 Outline 1. Sequential Circuit 2. Gated SR Latch 3. Gated D-latch 4. Edge-Triggered D Flip-Flop 5. Asynchronous and Synchronous reset Sequential Circuit
More informationSEQUENTIAL CIRCUITS THE RELAY CIRCUIT
SEQUENTIAL CIRCUITS THE RELAY CIRCUIT This circuit is one big circle. The main switch is open and the flexible contact is closed. Note: A closed inverter (NOT gate) circuit performs the same function.
More informationSpiral Content Mapping. Spiral 2 1. Learning Outcomes DATAPATH COMPONENTS. Datapath Components: Counters Adders Design Example: Crosswalk Controller
-. -. piral Content Mapping piral Theory Combinational Design equential Design ystem Level Design Implementation and Tools Project piral Performance metrics (latency vs. throughput) Boolean Algebra Canonical
More informationFlip-Flops and Sequential Circuit Design
Flip-Flops and Sequential Circuit Design ECE 52 Summer 29 Reading ssignment Brown and Vranesic 7 Flip-Flops, Registers, Counters and a Simple Processor 7.5 T Flip-Flop 7.5. Configurable Flip-Flops 7.6
More informationOutputs Combinational circuit. Next state. Fig. 4-1 Block Diagram of a Sequential Circuit
4- Inputs Outputs ombinational circuit Next state Storage elements Present state Fig. 4- Block Diagram of a Sequential ircuit 2 Prentice Hall, Inc. 4-2 (a) t pd (b) t pd 2 t pd (d) 2 t pd (c) t pd Fig.
More informationSynchronous Sequential Logic
Synchronous Sequential Logic Ranga Rodrigo August 2, 2009 1 Behavioral Modeling Behavioral modeling represents digital circuits at a functional and algorithmic level. It is used mostly to describe sequential
More informationEECS150 - Digital Design Lecture 19 - Finite State Machines Revisited
EECS150 - Digital Design Lecture 19 - Finite State Machines Revisited April 2, 2013 John Wawrzynek Spring 2013 EECS150 - Lec19-fsm Page 1 Finite State Machines (FSMs) FSM circuits are a type of sequential
More informationEKT 121/4 ELEKTRONIK DIGIT 1
EKT 121/4 ELEKTRONIK DIGIT 1 Kolej Universiti Kejuruteraan Utara Malaysia Bistable Storage Devices and Related Devices Introduction Latches and flip-flops are the basic single-bit memory elements used
More informationOther Flip-Flops. Lecture 27 1
Other Flip-Flops Other types of flip-flops can be constructed by using the D flip-flop and external logic. Two flip-flops less widely used in the design of digital systems are the JK and T flip-flops.
More informationMUX AND FLIPFLOPS/LATCHES
MUX AN FLIPFLOPS/LATCHES BY: SURESH BALPANE Multiplexers 2:1 multiplexer chooses between two inputs S 1 0 Y 0 X 0 0 0 0 0 X 1 1 1 0 X 0 1 1 X 1 1 1 S Y @BALPANECircuits and Slide 2 Gate-Level Mux esign
More informationL4: Sequential Building Blocks (Flip-flops, Latches and Registers)
L4: Sequential Building Blocks (Flip-flops, Latches and Registers) Acknowledgements: Lecture material adapted from R. Katz, G. Borriello, Contemporary Logic esign (second edition), Prentice-Hall/Pearson
More informationEECS150 - Digital Design Lecture 3 Synchronous Digital Systems Review. Announcements
EECS150 - Digital Design Lecture 3 Synchronous Digital Systems Review September 1, 2011 Elad Alon Electrical Engineering and Computer Sciences University of California, Berkeley http://www-inst.eecs.berkeley.edu/~cs150
More informationINTRODUCTION TO SEQUENTIAL CIRCUITS
NOTE: Explanation Refer Class Notes Digital Circuits(15EECC203) INTRODUCTION TO SEQUENTIAL CIRCUITS by Nagaraj Vannal, Asst.Professor, School of Electronics Engineering, K.L.E. Technological University,
More informationChapter 5. Introduction
Chapter 5 Synchronous Sequential Logic Chapter 5 Introduction Circuits require memory to store intermediate data Sequential circuits use a periodic signal to determine when to store values. A clock signal
More informationDigital Circuits ECS 371
igital Circuits ECS 371 r. Prapun Suksompong prapun@siit.tu.ac.th Lecture 17 Office Hours: BK 3601-7 Monday 9:00-10:30, 1:30-3:30 Tuesday 10:30-11:30 1 Announcement Reading Assignment: Chapter 7: 7-1,
More information5: Sequential Logic Latches & Flip-flops
5: Sequential Logic Latches & Flip-flops Introduction Memory Elements Pulse-Triggered Latch S-R Latch Gated S-R Latch Gated D Latch Edge-Triggered Flip-flops S-R Flip-flop D Flip-flop J-K Flip-flop T Flip-flop
More information