digital logic design book by j s katre

... inverter response to slow noisy input, and Often used with noisy signals Changes from stable state to quasi-stable state for a period of time determined by external components (usually resistors and ... Synchronous transfer of contents of register X into register Y dce 2009 Serial Data Transfer: Shift Registers • When FFs are arranged as a shift register, bits will shift with each clock pulse • FFs used ... Asynchronous and synchronous operations are often combined • The random nature of asynchronous inputs can result in unpredictable results •Usually, this is the case SinhVienZone.com Digital Logic

Ngày tải lên: 30/01/2020, 21:11

... f, g) select the corresponding segment in the display as shown in Fig The numeric display chosen to represent the decimal digit is also shown in Fig Using the truth table and K-Map, design the ... the display as shown in Fig The numeric display chosen to represent the decimal digit is also shown in Fig Using the truth table and K-Map, design the BCD-to-seven-segment decoder using the minimum ... outputs of the decoder (a, b, c, d, e, f, g) select the corresponding segment in the display as shown in Fig The numeric display chosen to represent the decimal digit is also shown in Fig Using

Ngày tải lên: 12/02/2020, 13:52

... truth table • logic circuit • minterms/maxterms • Karnaugh map Combinational logic design ° Use multiple representations of logic functions ° Use graphical representation to assist in simplification ... function ° Use concept of “don’t care” conditions ° Example - encoding BCD to seven segment display ° Similar to approach used by designers in the field BCD to Seven Segment Display ° Used to display ... (BCD) numbers using seven illuminated segments ° BCD uses 0’s and 1’s to represent decimal digits Need four bits to represent required 10 digits ° Binary coded decimal (BCD) represents each decimal

Ngày tải lên: 12/02/2020, 14:29

... 10 Shif t °regi Parallel-to-serial conversion for serial transmission ster appl icati on parallel outputs parallel inputs serial transmission 19 Serial Transfer of Data ° Transfer from register ... bits in x and y The state table that specifies the sequential circuit is given in Table 26 Design a serial adder using a sequential-logic procedure 27 Design a serial adder using a sequential-logic ... numbers to be added serially serial outputs from the registers are designated by variables x and y Two inputs, x and y, that provide a pair of significant bits, an output S that generates the sum

Ngày tải lên: 12/02/2020, 15:09

... Expressing Boolean functions ° Relationships between algebraic equations, symbols, and truth tables ° Simplification of Boolean expressions ° Minterms and Maxterms ° AND-OR representations • Product ... Y Z Associative Law XZ XW XZ YW Consensus Theorem YZ Distributiv e Law Simplification Using the Laws Boolean Functions ° Boolean algebra deals with binary variables and logic operations ° Function ... Need to transition between boolean expression, truth table, and circuit (symbols) ° Converting between truth table and expression is easy ° Converting between expression and circuit is easy ° More

Ngày tải lên: 12/02/2020, 15:12

... NANDs • NANDs to SOP ° Converting between sum-of-products and NORs • SOP to NORs • NORs to SOP ° Positive and negative logic • We use primarily positive logic in this course Logic functions of N ... Representations Standard and alternate symbols for various logic gates and inverter Invert each input and output of the standard symbol, This is done by adding bubbles(small circles) on input and ... Y X Y Z Associative Law XZ XW XZ YW Consensus 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

Ngày tải lên: 12/02/2020, 15:41

... build circuits to operate on these representations ° Possible to convert between the three formats Converting Between Base 16 and Base 3A9F16 = 0011 1010 1001 11112 ° A F Conversion is easy!  Determine ... from Base 16 to Base 2 Regroup bits into groups of three starting from right Ignore leading zeros Each group of three bits forms an octal digit Decimal Binary Number systems (Octal Numbers) ( Octal ... represents binary bits °Was used in early computing, but was replaced by hexadecimal 10 One’s Complement Representation • The one’s complement of a binary number involves inverting all bits • 1’s comp

Ngày tải lên: 12/02/2020, 15:41

... Boolean Algebra is a mathematical technique that provides the ability to algebraically simplify logic expressions These simplified expressions will result in a logic circuit that is equivalent to ... simpler ones: • Today is Monday AND it is raining • Today is Sunday OR it is NOT raining • Today is Monday AND today is NOT Monday - (This is a contradiction) ° The expression as a whole is either ... Algebra Logical Statements ° A proposition that may or may not be true: • Today is Monday • Today is Sunday • It is raining ° Compound Statements ° More complicated expressions can be built from simpler

Ngày tải lên: 12/02/2020, 15:51

... Register Transfer ° Data can move from register to register ° Digital logic used to process data ° We will learn to design this logic Register A Register B Digital Logic Circuits Register C Transfer ... 0-9 (10 codes), others (@#$%^&*….) ° Complete listing in Mano text ° Transmission susceptible to noise ° Typical transmission rates (1500 Kbps, 56.6 Kbps) ° How to keep data transmission accurate? ... numbers, this would allow for all numbers from (naturally represented by 00000000) to and inclusively 255 (represented by 11111111) ° The most obvious solution is to spare the first bit as a sign

Ngày tải lên: 12/02/2020, 18:08

... Implementation ° Suppose there are 10 inputs 10 address lines (i.e., 210 = 1024 different addresses) ° Suppose there are 20 outputs ° ROM is 210 x 20 = 20K bits size) (and a rather unusual ° Rather wasteful, ... this circuit? • Look at the FF to FF path (NS to PS) Inputs ROM Present State Next State ROM Outputs 24 Summary ° ROMs provide stable storage for data ° ROMs have address inputs and data outputs ... computer systems for initialization • ROM doesn’t lose storage value when power is removed ° Very useful for implementing FSMs Rea d- of semiconductor devices ° An array Onl • diodes y • transistors

Ngày tải lên: 12/02/2020, 18:25

... involves placing two resistors Select a Resistor [Passive Components/Resistors/Resistor] (r) by pressing the r Hotkey on the keyboard Notice that the resistor is oriented horizontally and moves around ... and change its settings 1Select a +V [.General/Sources/+V] (1) by pressing the (number one) Hotkey Place it above resistor R2 2Select a Ground [.General/Sources/Ground] (0) by pressing the (zero) ... including device symbols, label-values and designations, wires, and pin dots 27 CktMaker Conventions ° CKT Schematic (or Circuit) files ° DAT Data files (Hotkeys; device library classifications) ° LIB

Ngày tải lên: 12/02/2020, 19:02

... analysis process is simple Boolean expression can often be written by inspection  For multi-level circuits, the process is more complex Cannot write a Boolean expression by inspection Must follow ... from one to the other? Logic circuits ° Logic circuits for digital systems may be combinational or sequential ° Combinational circuit consists of logic gates whose outputs at any time are determined ... the delays into the circuit’s electronics ° Because of circuit delays, the transient behavior of a combinational logic circuit may differ from what is predicted by a steady-state analysis ° In

Ngày tải lên: 12/02/2020, 20:23

... Disallowed Set Reset Store ° Latch made from cross-coupled NANDs ° Sometimes called S’-R’ latch ° Usually S=1 and R=1 ° S=0 and R=0 generates unpredictable results 27 S-R Latches 28 S-R Latch ... 1 (set) 20 Characteristic Table ° In order to remember previous inputs, sequential circuits must have some sort of storage element This storage element is called “flip-flop” ° Flip-flop depends ... gates are simply used to generate the correct inputs for the S’R’ latch ° The control input acts just like an enable 26 S-R Latch with NANDs S R Q   S    R    Q     Q’ Q’ 0 1 1 1 0 1 1 Disallowed

Ngày tải lên: 12/02/2020, 20:43

... inputs A, B and C connected to the selection inputs S2, S1, S0 respectively The data inputs I0 through I7 are as follows: 26 Summary ° Must solve as much problems as possible ° Tristate buffers ... gates 24 Problem An x multiplexer has inputs A, B and C connected to the selection inputs S2, S1, S0 respectively The data inputs I0 through I7 are as follows: 25 Problem An x multiplexer has inputs ... three-state gate has no es output Opposite true here, No output if E is Three-State Buffers ° 3-State buffer makes use of the output of two or more gates or other logic devices can be connected

Ngày tải lên: 12/02/2020, 22:25

... contains all essential and possibly some nonessential primes 3 Dr. D. J. Jackson Lecture 2-5Electrical & Computer Engineering Variables and functions • Assume the switch controls a lightbulb as ... gates 2 Dr. D. J. Jackson Lecture 13-3Electrical & Computer Engineering Transistor switches • Logic circuits are built with transistors • We will assume a transistor operates as a simple switch controlled ... problem • Some may be complex and difficult to design • Regardless of the complexity, the same basic design issues must be addressed 1. Specify the desired behavior of the circuit 2. Synthesize...

Ngày tải lên: 27/03/2014, 20:00

... It comprises of Lutherans, Calvinists, Methodists, Pentecostalists, Evangelists, Adventists, Baptists, Anabaptists, Pietists and numerous new congregations popping up. hal-00477759, version 1 - ... (Lévinas, 1975), whereby, s/ he thanks Him for His blessings and acknowledges His magnificence. In brief, the Protestant praises Him. Thankful conduct also consists of utilising God s blessings wisely, ... accounting, these issues reveal the impossibility of objective and true measurements and evaluation models, which does not disqualify bookkeeping. Rather, this should stress the assumptions made by hal-00477759,...

Ngày tải lên: 18/02/2014, 01:20

... other respects such as size (how big the circuit is or how many transistors it uses), speed (how long it takes for the output result to be valid), cost Digital Logic and Microprocessor Design ... yz') + yz 2.8 Logic Gates and Circuit Diagrams Logic gates are the actual physical implementations of the logical operators discussed in the previous sections. Transistors, acting as tiny ... is the circuit for Digital Logic and Microprocessor Design with VHDL Chapter 1 - Designing Microprocessors 18 Contents Contents  Preface  Chapter 1 Designing Microprocessors...

Ngày tải lên: 17/03/2014, 17:20