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DAC7642 数据资料 dataSheet 下载
DAC7642 数据资料 dataSheet 下载

... VCC to VSS ............................................................................. –0.3V to 11V VCC to GND .......................................................................... –0.3V to 5.5V VREFL to VSS ............................................................. –0.3V to (VCC – VSS) VC ...
Prepositional Logic
Prepositional Logic

... • K-maps are most commonly used for Boolean expressions containing 2, 3, or 4 variables. • Steps to using a k-map in a digital design 1. Construct the truth table. 2. Transfer the value (output) of the truth table to an appropriate size k-map. 3. Group the appropriate elements of the k-map. 4. Conve ...
MRF373ALR1, MRF373ALSR1 470-860 MHz, 75 W, 32 V Lateral N
MRF373ALR1, MRF373ALSR1 470-860 MHz, 75 W, 32 V Lateral N

... implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document. Freescale Semiconductor reserves the right to make changes witho ...
Ch. 6 Combination Circuits
Ch. 6 Combination Circuits

... theorem any two-terminal resistive circuit to a single equivalent voltage source in series with an equivalent resistance. Maximum power The condition, when the load resistance transfer equals the source resistance, under which maximum power is transferred to the load. Superposition A method for anal ...
DIGITAL ELECTRONICS LECTURE NOTES
DIGITAL ELECTRONICS LECTURE NOTES

... Resistors are measured in Ohm and come between conductors, which conduct easily and insulators which don't conduct. The main function of resistors in a circuit is to control the flow of current and voltage drops to other components. For example; if too much current flows through an LED it is destroy ...
EL2003 - Electric Circuits#
EL2003 - Electric Circuits#

... elements, sinusoidal steady state analysis, AC steady state power, three phase circuits, frequency response, Introduction to electric machines. To develop skills in obtaining steady state and transient solutions to electrical ...
Low Order Wavefront Sensing and Control for WFIRST
Low Order Wavefront Sensing and Control for WFIRST

... • Tight requirement for deformable mirror actuator calibration is needed if the DM is to be used for low order wavefront correction • This work is funded by NASA Exoplanet program. ...
Document
Document

... where the steep curve shows the low resistance, as shown by line AB (the ‘on’ state of the memristor) and the flatter curve shows the high resistance (the ‘off’ state of the memristor) as shown by line interval CD. Memristor’s state described by interval AB can also be called as ‘closed’ or in binar ...
Measurement Errors
Measurement Errors

... 3. Systematic, random, and gross errors are delineated according to the nature of the event. Gross measurement error (failure) refers to measurement error significantly exceeding the error expected under the given conditions. They arise, as a rule, from mistakes or incorrect actions of the operator ...
16 channel LED driver with error detection, current gain control and
16 channel LED driver with error detection, current gain control and

... 4. If devices are connected in cascade and tclkr or tclkf is large, it may be critical to achieve the timing required for data transfer between two cascaded devices. ...
A Novel Table-Based Approach for Design of FinFET Circuits
A Novel Table-Based Approach for Design of FinFET Circuits

... height of 1 μm has been used in this figure, which is simply a “scaling factor” for determining the current and charges obtained by 2-D TCAD simulation. In reality, of course, the fin height would be much smaller, and therefore, a fin height of 30 nm is used for the design of circuits. In all plots ...
Chapter 4
Chapter 4

... • S-R flip-flop has 2 inputs, S (set) and R (reset) like Diagram 3 below. In the diagram below, (also for JK and D flip-flops), they used another input called clock. It is to control the movement of input that is input will only occur when given a clock pulse (synchronous circuit) • The features of ...
Answers
Answers

... 4. (10 points) Draw a logic circuit using the smallest possible number of simple gates (AND, OR and inverters, only) for the logic expression UX ′ + X(V + Z′) + (V′ + U)X′Z′. ...
Detection circuit with dummy integrator to compensate for switch
Detection circuit with dummy integrator to compensate for switch

... tor 50 simulates the charge injection effects that occur and 58, which occurs at time T1 as indicated by transi in integrator 30 due to switch 38. Further, it should be tion 70 of signal RESET as shown in FIG. 2, the volt understood that switch 58 is identical to switch 38 and age appearing at circu ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... Economist designed a netruly full adder quaternary circuit pattern 3 power provide lines and multi-Vt transistors .Ricardo has designed quaternary device (MUX) 4:1 with 4quaternary inputs and one quaternary output and used this MUX as a building block to construct full adder projected technique bles ...
Digital circuit blocks
Digital circuit blocks

... addition, there are various types of circuit such as input and output stages, delay circuits and clock pulse generators, which are used in only small quantities in each equipment. Although the number of different types is larger, these circuits do not usually amount to more than one-fifth of the tot ...
Circuit Pitfalls
Circuit Pitfalls

... – Will settle to correct value if you wait long enough  Other circuits suffer from a variety of pitfalls – Tradeoff between performance & robustness  Very important to check circuits for pitfalls – For large chips, you need an automatic checker. – Design rules aren’t worth the paper they are print ...
Lecture 18
Lecture 18

... – Will settle to correct value if you wait long enough  Other circuits suffer from a variety of pitfalls – Tradeoff between performance & robustness  Very important to check circuits for pitfalls – For large chips, you need an automatic checker. – Design rules aren’t worth the paper they are print ...
Analog to Digital Converters (ADC)
Analog to Digital Converters (ADC)

... Quantization and Sampling ◊ Sampling-Related Quantization Errors ◊ Relatively low sampling frequencies can lead to quantization errors ◊ If the sampling frequency is slightly different from the analog signal’s frequency (or a harmonic..a factor of the frequency), then the values may not indicate al ...
single-time-constant circuits
single-time-constant circuits

... STC circuits can be classified into two categories, low-pass (LP) and high-pass (HP) types, with each category displaying distinctly different signal responses. The task of finding whether an STC circuit is of LP or HP type may be accomplished in a number of ways, the simplest of which uses the freq ...
1. Digital Logic Circuits
1. Digital Logic Circuits

... Electrical circuits designed to represent logical expressions are popularly known as logic circuits. Such circuits are extensively used in industrial processes, household appliances, computers, communication devices, traffic signals and microprocessors to make important logical decisions. Logic circ ...
document
document

... circuit simulations is still dependent on their distribution and hence not applicable to various types of probability density functions. In this paper, we propose a fast statistical moment estimation (FSME) method, which provides two major advantages over standard MC: first, the FSME method can use ...
HB2512851289
HB2512851289

... there are less number of gates than the longest path from the input to the output. The rough tuning method [6] ensures that the gate count along all the paths is the same. However, rough-tuned circuit is still not balanced as there is bound to be different delays due to different fan-outs. The absen ...
DAC7642, DAC7643: 16-Bit, Dual Voltage Output Digital-To
DAC7642, DAC7643: 16-Bit, Dual Voltage Output Digital-To

... VCC to VSS ............................................................................. –0.3V to 11V VCC to GND .......................................................................... –0.3V to 5.5V VREFL to VSS ............................................................. –0.3V to (VCC – VSS) VC ...
First Year Laboratory Scripts MODULE I
First Year Laboratory Scripts MODULE I

... instruments and there would be no time for investigating interesting physics if we spent time training you in the detailed use of each individual piece of equipment. Instead what we intend to do is to train you in the use of instruments in general and the approach you should adopt when handling any ...
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Soft error

In electronics and computing, a soft error is a type of error where a signal or datum is wrong. Errors may be caused by a defect, usually understood either to be a mistake in design or construction, or a broken component. A soft error is also a signal or datum which is wrong, but is not assumed to imply such a mistake or breakage. After observing a soft error, there is no implication that the system is any less reliable than before. In the spacecraft industry this kind of error is called a single-event upset. In a computer's memory system, a soft error changes an instruction in a program or a data value. Soft errors typically can be remedied by cold booting the computer. A soft error will not damage a system's hardware; the only damage is to the data that is being processed.There are two types of soft errors, chip-level soft error and system-level soft error. Chip-level soft errors occur when the radioactive atoms in the chip's material decay and release alpha particles into the chip. Because an alpha particle contains a positive charge and kinetic energy, the particle can hit a memory cell and cause the cell to change state to a different value. The atomic reaction is so tiny that it does not damage the actual structure of the chip. System-level soft errors occur when the data being processed is hit with a noise phenomenon, typically when the data is on a data bus. The computer tries to interpret the noise as a data bit, which can cause errors in addressing or processing program code. The bad data bit can even be saved in memory and cause problems at a later time.If detected, a soft error may be corrected by rewriting correct data in place of erroneous data. Highly reliable systems use error correction to correct soft errors on the fly. However, in many systems, it may be impossible to determine the correct data, or even to discover that an error is present at all. In addition, before the correction can occur, the system may have crashed, in which case the recovery procedure must include a reboot. Soft errors involve changes to data—​the electrons in a storage circuit, for example—​but not changes to the physical circuit itself, the atoms. If the data is rewritten, the circuit will work perfectly again. Soft errors can occur on transmission lines, in digital logic, analog circuits, magnetic storage, and elsewhere, but are most commonly known in semiconductor storage.
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