digital circuits and logic design tutorials

... 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

... of NAND and NOR gatesTrang 24Exa mpl eTrang 27Alternate Logic-Gate RepresentationsStandard and alternate symbols for various logic gates and inverter. Invert each input and output of the standard ... 6More Logic Functions: NAND, NOR, XOR and XNOR Trang 2w ° More 2-input logic gates (NAND, NOR, XOR) ° Extensions to 3-input gates ° Converting between sum-of-products and NANDs ° Positive and negative ... Consensus Theorem Trang 32NOR Gate and LawsTrang 33NAND Gate and LawsTrang 34° 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

... Trang 36Digital Logic Simulation1 Click the Open button in the Toolbar. 2 Select the SIM.CKT file from the list of available circuits The SIM.CKT circuit contains several mini-circuits and is ... your design are recognized. ° The concept of connectivity is the key to using CircuitMaker to draw and simulate electronic circuits The program stores connection information for simulation, and ... multi-bit inputs (DataA and DataB) DataOut Think of ALU as a number of other arithmetic and logic blocks in a single box! Function selects the block Adder Subtract AND … Trang 11ALU Integrated

Ngày tải lên: 12/02/2020, 19:02

... from logic gates • NAND, NOR, AND, OR, Inverter Trang 3Combination Vs Sequential° Combinational Circuits • Combinational circuits have only input and output Output depends on input. • Example: AND,OR,NAND,NOR,XOR ... input. • Example: AND,OR,NAND,NOR,XOR etc ° Sequential Circuits • Sequential circuits have input, present state, next state and output Next state depends upon present state and input Output depends ... it easier to design and build large systems Trang 11° To figure out how Q and Q’ change, we have to look at not only the inputs S and R, but also the current current values of Q and Q’: Q next

Ngày tải lên: 12/02/2020, 20:43

... latch circuits are not appropriate for use in synchronous sequential logic circuits ° The possibility of two cascaded combinational circuits feeding each other, generating oscillations and unstable ... latch and flip-flop ° They store one bit of data and make it available to other components ° The main difference between a latch and a flip-flop is that the first are level triggered and the ... Latches and Flip Flops are related as latches are basic circuits from which all the flip flops are constructed ° Though they (latches) are useful for storing binary information and for the design

Ngày tải lên: 12/02/2020, 23:39

... 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 ... between the words. ° These circuits are often called magnitude comparators. ° XOR and XNOR gates can be viewed as 1-bit comparators. ° Comparator is a combinational logic circuit that compares ... 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

Ngày tải lên: 12/02/2020, 23:58

... circuits, 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 ... 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 ... 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 Circuits

Ngày tải lên: 13/02/2020, 00:14

... state and at times present state and input.  Has state information  Uses Flip-Flops to implement memory. Trang 3 Synchronous Sequential Logic Circuit All Flip-Flops use the same clock and ... flip-flop input and output functions for circuit output other than flip-flop (if any) ° A(t) and A(t+1) are used to represent current state and the next state for flip-flop. ° A and A + can also ... and input ° State table • The same as Truth Table • Input and condition pad on the left • Output and next condition on the right • Combined binary combination available for current state and

Ngày tải lên: 13/02/2020, 00:30

... 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 ... Trang 1Lecture 09NAND and XOR Implementations Trang 2w ° Developing NAND circuits ° Two-level implementations • Convert from AND/OR to NAND (again!) ° Multi-level NAND implementations • Convert ... 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

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

... 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 ... for combinational circuits to be extended to synchronous sequential circuits A similar technique exists for asynchronous sequential circuits Trang 4Functional Modeling at the Logic Level 17 2.2.3

Ngày tải lên: 25/01/2014, 13:20

... EngineeringECE380 Digital Logic Introduction to Logic Circuits: Synthesis using AND, OR, and NOT gates Dr D J Jackson Lecture 4-2 Electrical & Computer Engineering Example logic circuit design • ... Understanding of concepts, models, algorithms and processes for digital logic design – Relevance of the material to subsequent courses and to your career • Problem solving skills – Formulating and ... EngineeringECE380 Digital Logic Introduction Digital hardware • Logic circuits are used to build computer hardware as well as other products (digital hardware) • Late 1960’s and early 1970’s

Ngày tải lên: 27/03/2014, 20:00

... be reduced and net profit increased? – Minimize Design (and test) time ● Reduces both time-to-market and designers’ salaries– Increase quality of design to increase fabrication yield and provide ... zero-defect design ● ICs are nearly impossible to repair ● The design must be correct (and manufacturing defects limited)– Design and manufacturing costs must be recovered via sales ● Few designs ... Approach: Designed primarily by hand (so to speak) ● Full Custom Vs Standard Cell - Using standard cell designs (sameheight, variable width) and routing channels simplifies design process ● Highest Density,

Ngày tải lên: 22/10/2014, 06:53

... problems among digital circuits, which severely influence the performance of digital circuits Therefore, a stable and reliable digital device with limited electromagnetic emission should be designed ... is necessary in the design cycle of digital circuits This thesis focuses on the modeling and measurement of electromagnetic radiated emission from interconnects in digital circuits Since the radiated ... are widely spread and significantly all over the world, which makes the EMI problems become serious and cannot be solved easily 1.2.2 EMC standards The FCC [1] and CISPR standards [2] are the

Ngày tải lên: 09/09/2015, 08:12

... (HH), and spin-orbit split-off bands, and the tensile strain in Si splits E c into Δ2 and Δ4, causing the reduction in BTBT barrier and leading to higher I on of TFET .54 Fig 3.13 Band-to-band ... concentration N a and donor concentration N d) along B-B’ in (b) (e) Band diagram illustrating the band-to-band tunneling of electrons along A-A’ in (a) (f) Band diagram illustrating the band-to-band tunneling ... valence band G Generation rate of carriers cm-3∙s-1 BTBT G Band-to-band tunneling generation rate cm-3∙s-1 dir BTBT G Band-to-band tunneling generation rate for electrons tunneling from valence band

Ngày tải lên: 10/09/2015, 09:24

... sum of only the previous values of the output and the weighted sum of the current and previous Introduction to Digital Signal Processing and Filter Design, by B. A. Shenoi Copyright â 2006 John ... properties of complex exponential and sinusoidal discrete-time signals are described. A brief history of analog and digital filter design is given. Then the advantages of digital signal processing over ... provide a hands-on experience to the students. Chapter 5 is concerned with the theory and design of finite impulse response (FIR) filters. Properties of FIR filters with linear phase, and design of...

Ngày tải lên: 13/09/2012, 10:21

... 301 References 316 Chapter 14 Engineering Standards for Clutches and Brakes 317 I. SAE Standards 317 II. American National Standards Institute (ANSI) 320 III. Other Standards Organizations 320 Bibliography ... exception of Chapters 1 and 8, which are concerned with friction materials and with acceleration or deceleration time and heat dissipation during clutching and braking. The friction and pressure characteristic ... efficiency and the small clearance is necessary to minimize the required activation force to bend the band and lining to the drum radius. II. APPLICATION In this section we consider the design of a band...

Ngày tải lên: 20/10/2012, 09:58

... Control(PC)/ Command(Mac)-h on the keyboard to hide the vector mask from view. If you want to show it, just type the same keyboard command. When the mask is hidden, this keyboard command reveals it and ... targeted. Go ahead and apply numerous instances of one Brush preset. Alter the angle, color, and the size as you see fit. In the Brushes palette, there is a small circle and a cross hair diagram ... Photographs 5 5 Select the Pen tool and, once again, ensure that it is set to create paths and not shape layers in the Tool Options bar. Enable the Add to Path Area function and then take a good look...

Ngày tải lên: 17/10/2013, 20:15