digital electronics and logic design godse pdf

... webs and in the Front viewport, move, mirror and union the webs as in steps 12 and 13 Figure 13.7 shows the resulting 4-viewport scene Fig 13.6 The four views after using the Extrude and ... the cylinders and the web 7 Still in the Front viewport and at one end of the union, construct two cylinders, the fi rst of radius 10 and height 80 , the second of radius 15 and height 80 ... from the Standard toolbar 3 Set up a Four: Equal viewports setting 4 Open the DesignCenter with a click on its icon in the Standard toolbar ( Fig 14.2 ), or by pressing the Ctrl and 2 keys

Ngày tải lên: 21/01/2014, 23:20

... Trang 1Digital Economy and Social Design Trang 2Digital Economy and Social Design Springer Trang 3Professor Graduate School of Interdisciplinary ... information and knowledge to sustain the development of society and the economy, whether or not new technological innovation will aggravate inequality, and what skills, tech-niques, and institutional design ... and especially in Japan, labor and management cooperated to improve quality and productivity, and cooperative relationships between companies, universities and local governments were formed and

Ngày tải lên: 11/05/2018, 17:03

... Trang 3DIGITAL LOGIC TESTING AND SIMULATIONTrang 5SECOND EDITIONAlexander Miczo A JOHN WILEY & SONS, INC., PUBLICATION DIGITAL LOGIC TESTING AND SIMULATION Trang 6Copyright ... control, and communi-cations in myriad applications With contemporary EDA tools, one logic designercan create complex digital designs that formerly required a team of a half dozenlogic designers ... to design verification at the logic and functional levels Many of the activities performed by architects and logic designers were long agorecognized to be tedious, repetitious, error prone, and

Ngày tải lên: 09/08/2014, 16:20

... Logic Functions: NAND, NOR, XOR and XNOR Overvie w ° More 2-input logic gates (NAND, NOR, XOR) ° Extensions to 3-input gates ° Converting between sum-of-products and NANDs • SOP to NANDs • NANDs ... DeMorgan’s Theorem Alternate Logic-Gate Representations Standard and alternate symbols for various logic gates and inverter Invert each input and output of the standard symbol, This is done by ... Theorem YZ Distributiv e Law NOR Gate and Laws NAND Gate and Laws Summary ° Basic logic functions can be made from NAND, and NOR functions ° The behavior of digital circuits can be represented

Ngày tải lên: 12/02/2020, 15:41

... Transfer° Data can move from register to register. ° Digital logic used to process data ° We will learn to design this logic Register C Digital Logic Circuits Trang 31Transfer of Information ° Data ... Trang 1Digital Logic DesignLecture 3 Complements, Number Codes and Registers Trang 2w ° Complement of numbers • Addition and subtraction ° Binary coded decimal ... will learn to use and design these components. Trang 33° 2’s complement most important (only 1 representation for zero). ° Important to understand treatment of sign bit for 1’s and 2’s complement.

Ngày tải lên: 12/02/2020, 18:08

... Lecture 31 PLAs and Arithmetic Logic Unit (ALU) Programmable Logic Array ° A ROM is potentially inefficient because it uses a decoder, ... decoder, with n inverters and 2n n-input AND gates • An OR gate with up to 2n inputs • The number of gates roughly doubles for each additional ROM input ° A programmable logic array, or PLA, makes ... ROMs have address inputs and data outputs • ROMs directly implement truth tables ° ROMs can be used effectively in Mealy and Moore machines to implement combinational logic ° In normal use ROMs

Ngày tải lên: 12/02/2020, 19:02

... say the first number consists of digits A1 and A0 from left to right, and the second number is B1 and B0 ° The problem specifies three outputs: G, E and L Comparing 2-bit Numbers - Specification ... 1 only when A < B ° Make sure you understand the problem • Inputs A and B will be 00, 01, 10, or 11 (0, 1, 2 or 3 in decimal) • For any inputs A and B, exactly one of the three outputs will ... implement logic Trang 3° A circuit that compares 2 binary words and indicates whether they are equal is a comparator. ° Some comparators interpret their input as signed or unsigned numbers and also

Ngày tải lên: 12/02/2020, 23:58

... multilevel circuits can be realized using NAND or NOR gates only. Trang 58NAND and NOR CircuitsTrang 60NAND and NOR CircuitsTrang 62NAND and NOR CircuitsTrang 64NAND and NOR CircuitsTrang 65Create a truth ... combinational and not sequential (i.e no feedback or storage elements). Trang 28Digital Design Overview° Design digital circuit from specification ° Digital inputs and outputs known • Need to determine logic ... to a logic gate technology used to implement the logic circuit. Standard TTL and CMOS chips Field Programmable Gate Array (FPGA) Complex Programmable Logic Device (CPLD) Trang 49Multilevel Logic

Ngày tải lên: 13/02/2020, 00:14

... the analysis and design of NAND and NOR gate networks. Trang 7NAND-NAND & NOR-NOR Networks= = Trang 8NAND-NAND Networks° Mapping from AND/OR to NAND/NAND a b c d Trang 9NAND-NAND Networksa ... circuit, inversion is done once and signal distributed Trang 13Two-level Logic using NAND Gates (cont’d)Trang 14° Convert from networks of ANDs and ORs to networks of NANDs and NORs • Introduce appropriate ... corresponding "bubble" • Conservation of inversions • Do not alter logic function ° Example: AND/OR to NAND/NAND Z NAND NAND NAND Trang 15Z = [ (A  •  B)'  • (C   • D)'  ]'    = [ (A' + B')  •  (C' + D')  ]'

Ngày tải lên: 13/02/2020, 00:36

... all 1’s are covered° Try to minimize total product terms ° Design could be implemented using NANDs and NORs Trang 9Don’t cares° In digital systems it often happens that certain input conditions ... situations we say the function is incompletely specified and there are multiple (completely specified) logic functions that can be used in the design. • so we can select a function that gives the ... Don’t Care ConditionsAfter labeling and transferring the truth table data into the K-Map, write the simplified sum-of- products (SOP) logic expression for the logic Trang 24SRT S R S R S R U T

Ngày tải lên: 13/02/2020, 01:04

... 1Lecture 14Binary Adders and Subtractors Trang 2w ° Addition and subtraction of binary data is fundamental • Need to determine hardware implementation ° Represent inputs and outputs • Inputs: single ... of n !) • It works on the following standard principles: • A carry bit is generated when both input bits Ai and Bi are 1, or • When one of input bits is 1, and a carry in bit exists Trang 26Carry ... Multiplication° Therefore, for multiplying two 2-bit numbers, AND gates and ADDERS will be sufficient °Half Adders Trang 38° Addition and subtraction are fundamental to computer systems ° Key

Ngày tải lên: 13/02/2020, 01:39

... Yc) (7.20) Comparing Equations (7.19) and (7.20) to Equations (7.12) and (7.13), the y-parameters are Trang 7I1 and V2 are independent variables and V1 and I2 are dependent variables In matrix ... two-port network Figure 7.1 General Two-Port Network I1 and V1 are input current and voltage, respectively Also, I2 and V2 are output current and voltage, respectively It is assumed that the linear ... = 0 ) and short-circuit parameters (V2 = 0 ) The h-parameters of a bipolar junction transistor are determined in the following example 0 Trang 9V2 and I2are independent variables and V1 and I1

Ngày tải lên: 13/12/2013, 01:15

... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook, ... Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski 75 Classical and ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Ex panded,

Ngày tải lên: 13/12/2013, 03:15

... cone and the left-band cone is moved upward to contact the lower half of the double cone, both the left- and right-hand cones rotate in the same direction If the right- and left-hand cones ... thatpermitsthemotortobemovedtoandfromthedrivenmachineinorder toapplyandrelievethebelttensionandtherebygiveclutching(applyingbelt tension)anddeclutching(relievingbelttension)capability. Thesedesignseliminatetheneedforamechanicalclutch.Theirsim- ... f rn1 ln1 and Nn2 ¼ Nd rd2 ld 2 ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd 2 and rn2 are driver and driven

Ngày tải lên: 17/12/2013, 11:15

... the brake assembly (drum, backplate, shoes, and lining in the case of drum brakes and disk and caliper in the case of disk brakes) as it vibrates and have shown that brake vibration is the result ... sprag and certain forces between the disk and the sprag. These combinations of sprag deflections and disk forces defined a region of instability which was interpreted to signify large sprag and disk ... vibrationthatisthemajorcontributortobrakenoisefromdiskbrakes[11] andthebackplatevibrationthatisthemajorcontributorfromdrumbrakes [12].Typicalstandingwaveshapes,orthenodalpatterns,forthediskare showninFigures2and3.VibrationofthecaliperisshowninFigures4and5.

Ngày tải lên: 25/12/2013, 23:17

... script and function files contain a sequence of commands. However, function files take arguments and return values. 1.6.1 Script files Script files are especially useful for analysis and design ... obtain the dot product and the vector product of two vectors a and b. Use the function to evaluate the dot and vector products of vectors x and y, where x = (1 5 6) and y = (2 3 8). 1.4 ... polar, contour and 3-D plots, and bar charts. MATLAB also allows one to give titles to graphs, label the x- and y-axes, and add a grid to graphs. In addition, there are commands for controlling

Ngày tải lên: 19/01/2014, 20:20

... the combinational model are the present state q and the excitation inputs J and K, and the outputs are the next state g* and the device outputs y and y The present state g of the F/Fs in cell i ... a JK F/F node and replace it by an exit branch with value 0 Because the left and right branches from the other c nodes lead to 0 and 1 (or 1 and 0) values, we remove these nodes and replace them ... Modeling at the Logic Level 19 (a) (b) a (a) (a) Figure 2.13 Constructing a binary decision diagram LDA A /* load accumulator with value of A */ AND B_ /* compute A.B */ AND C /* compute

Ngày tải lên: 25/01/2014, 13:20

... development and test automation ogies and tools to market They are all in use today This leaves the averagesoftware developer, QA technician, and IT manager with the daunting chal-lenge to understand, and ... HTTP cookiehandling jCookie http://jcookie sourceforge.net/ Handles IETF RFC 2965 and Netscape style cookies Nice, light, robust, and well documented None that I can think of XML datahandling JDOM ... to design, code and testinformation systems TestMaker 3.0 replaced the XML scripting languageand the original test objects with Jython and the Test Object OrientedLibrary (TOOL) of protocol handlers

Ngày tải lên: 26/01/2014, 18:20

... while command Butfor the Wanderer life is eternal (Of course, the handy Stop button will endthe Wanderer’s wanderings.) httphandler.setHost( host ) if params == "": httphandler.setPath( ... spacesbefore a command defines a group of commands For example, the abovehostdoc_decoder() function is defined using the def command and thefunction’s commands are grouped by indenting each command with ... such as the urlparse and Random objects urlparse is a utility object that takes a URL and breaks it down into host, portnumber, and document parameters Random is a simple random numbergenerator

Ngày tải lên: 26/01/2014, 18:20

... this loop commands[0] contains anew_thread command The agent handles commands and takes action accordingly When dling a new_thread command, the agent indicates the command has beenhandled, bumps ... int( command ) == new_thread: handled=1 tick += 1 node=post_message(next_message,indent, \ Trang 2280 Chapter 8 State, Design, and Testing "top-message",commands[1],commands[2]) ... starts and then exits To run this agent, please ure the agent to connect to an available database and then remove thesys.exit command config-The Import command tells TestMaker where to find the standard

Ngày tải lên: 26/01/2014, 18:20