Download Test and Design-for-Testability in Mixed-Signal Integrated by José L. Huertas (auth.), José L. Huertas (eds.) PDF

By José L. Huertas (auth.), José L. Huertas (eds.)

Test and Design-for-Testability in Mixed-Signal built-in Circuits offers with try and layout for attempt of analog and mixed-signal built-in circuits. specially in System-on-Chip (SoC), the place diversified applied sciences are intertwined (analog, electronic, sensors, RF); attempt is turning into a real bottleneck of current and destiny IC initiatives. Linking layout and try in those heterogeneous structures can have an incredible impression by way of attempt time, price and talent. even though it is well-known as a key factor for constructing advanced ICs, there's nonetheless an absence of dependent references offering the key issues during this region. the purpose of this e-book is to give uncomplicated strategies and new principles in a way comprehensible for either execs and scholars. seeing that this is often an lively study box, a finished cutting-edge evaluate is particularly precious, introducing the most difficulties in addition to the methods of resolution that appear promising, emphasizing their foundation, strengths and weaknesses.

In essence, numerous themes are awarded intimately. to start with, concepts for the effective use of DSP-based try and CAD try instruments. Standardization is one other subject thought of within the booklet, with specialize in the IEEE 1149.4. additionally addressed intensive is the connecting layout and try out through utilizing high-level (behavioural) description ideas, particular examples are given. one other factor is said to check ideas for well-defined sessions of built-in blocks, like info converters and phase-locked-loops. in addition to those specification-driven checking out ideas, fault-driven techniques are defined as they give strength recommendations that are extra just like electronic try tools. ultimately, in Design-for-Testability and Built-In-Self-Test, different suggestions that have been taken from electronic layout, are brought in an analog context and illustrated for the case of built-in filters.

In precis, the aim of this publication is to supply a glimpse on contemporary learn leads to the realm of trying out mixed-signal built-in circuits, particularly within the themes pointed out above. a lot of the paintings stated herein has been played inside cooperative ecu learn initiatives, during which the authors of the various chapters have actively collaborated. it's a consultant photograph of the present state of the art during this emergent box.

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Extra resources for Test and Design-for-Testability in Mixed-Signal Integrated Circuits

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The first (SAMPLE) is to use the boundary-scan register for capturing a snapshot of the normal operation of the component. This snapshot is taken on the rising edge of TCK in the Chapter 2 52 Capture-DR controller state, and can be examined serially by shifting out through TDD. 1 for digital pins, bus has an expanded meaning for analog pins: the snapshot of the signal corresponds to the digitized value of the analog voltage appearing at the pin, which is captured by a digitizer in the ABM and stored as a one-bit result in the boundary-scan register.

The selection of a lOs Rectangle windowing function results in a /Follrie= 0,1 Hz for the Rectangle window, and it transforms into a Isin(x)/xl conversion (we saw this already in Figure 1-7). It results in a set of zeros for every 0,1 Hz. Signal B Signal A Time domain TimedomaJn t (rectangular "";ndawe

Two input signals, Signal A (fi=O,2 Hz) and Signal B (fi=O,25 Hz) and their exact line spectrums in the frequency domains. To allow for a FFT transfonnation, we must restrict the signals to a finite time interval, and this is done applying a windowing function. Each signal is sampled over a given window, in our example this is chosen to be a 10 s period. We can think of this as a multiplication of the "pseudo infinite" input signals multiplied by the rectangle windowing functions. The results of the "multiplication" is shown as the time domain signal at top of Signal A and Signal B in Figure 1-14.

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