Parasitic Substrate Coupling in High Voltage Integrated Circuits

Parasitic Substrate Coupling in High Voltage Integrated Circuits
Author: Pietro Buccella
Publisher: Springer
Total Pages: 195
Release: 2018-03-14
Genre: Technology & Engineering
ISBN: 3319743821


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This book introduces a new approach to model and predict substrate parasitic failures in integrated circuits with standard circuit design tools. The injection of majority and minority carriers in the substrate is a recurring problem in smart power ICs containing high voltage, high current switching devices besides sensitive control, protection and signal processing circuits. The injection of parasitic charges leads to the activation of substrate bipolar transistors. This book explores how these events can be evaluated for a wide range of circuit topologies. To this purpose, new generalized devices implemented in Verilog-A are used to model the substrate with standard circuit simulators. This approach was able to predict for the first time the activation of a latch-up in real circuits through post-layout SPICE simulation analysis. Discusses substrate modeling and circuit-level simulation of parasitic bipolar device coupling effects in integrated circuits; Includes circuit back-annotation of the parasitic lateral n-p-n and vertical p-n-p bipolar transistors in the substrate; Uses Spice for simulation and characterization of parasitic bipolar transistors, latch-up of the parasitic p-n-p-n structure, and electrostatic discharge (ESD) protection devices; Offers design guidelines to reduce couplings by adding specific protections.

Substrate Noise Coupling in Analog/RF Circuits

Substrate Noise Coupling in Analog/RF Circuits
Author: Stephane Bronckers
Publisher: Artech House
Total Pages: 272
Release: 2010
Genre: Technology & Engineering
ISBN: 1596932724


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This book presents case studies to illustrate that careful modeling of the assembly characteristics and layout details is required to bring simulations and measurements into agreement. Engineers learn how to use a proper combination of isolation structures and circuit techniques to make analog/RF circuits more immune to substrate noise. Topics include substrate noise propagation, passive isolation structures, noise couple in active devices, measuring the coupling mechanisms in analog/RF circuits, prediction of the impact of substrate noise on analog/RF circuits, and noise coupling in analog/RF systems.

Towards a Modeling Synthesis of Two or Three-Dimensional Circuits Through Substrate Coupling and Interconnections: Noises and Parasites

Towards a Modeling Synthesis of Two or Three-Dimensional Circuits Through Substrate Coupling and Interconnections: Noises and Parasites
Author: Christian Gontrand
Publisher: Bentham Science Publishers
Total Pages: 225
Release: 2014-04-21
Genre: Technology & Engineering
ISBN: 1608058263


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The number of transistors in integrated circuits doubles every two years, as stipulated by Moore’s law, and this has been the driving force for the huge development of the microelectronics industry in the past 50 years – currently advanced to the nanometric scale. This e-book is dedicated to electronic noises and parasites, accounting for issues involving substrate coupling and interconnections, in the perspective of the 3D integration: a second track for enhancing integration, also compatible with Moore’s law. This reference explains the modeling of 3D circuits without delving into the latest advances, but highlights crucial problems, for instance electro-thermo-mechanical problems, which could be addressed through 3D modeling. The book also explains electromagnetic interferences , at different modeling levels (device and circuit) oriented towards 3D integration technologies. It also covers substrate noise, such as disturbances of digital blocks, power bounces, phase noise in oscillators, both at the device level, such as carriers or field fluctuations, and circuit levels. The entanglement between interconnect and substrate is also discussed. This e-book serves as a reference for advanced graduates or researchers in the field of micro and nano electronics interested in topics relevant to electromagnetic interference or the ‘noise’ domain, at device or circuit and system levels

Substrate Noise Coupling in Mixed-Signal ASICs

Substrate Noise Coupling in Mixed-Signal ASICs
Author: Stéphane Donnay
Publisher: Springer Science & Business Media
Total Pages: 311
Release: 2006-05-31
Genre: Technology & Engineering
ISBN: 0306481707


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This book is the first in a series of three dedicated to advanced topics in Mixed-Signal IC design methodologies. It is one of the results achieved by the Mixed-Signal Design Cluster, an initiative launched in 1998 as part of the TARDIS project, funded by the European Commission within the ESPRIT-IV Framework. This initiative aims to promote the development of new design and test methodologies for Mixed-Signal ICs, and to accelerate their adoption by industrial users. As Microelectronics evolves, Mixed-Signal techniques are gaining a significant importance due to the wide spread of applications where an analog front-end is needed to drive a complex digital-processing subsystem. In this sense, Analog and Mixed-Signal circuits are recognized as a bottleneck for the market acceptance of Systems-On-Chip, because of the inherent difficulties involved in the design and test of these circuits. Specially, problems arising from the use of a common substrate for analog and digital components are a main limiting factor. The Mixed-Signal Cluster has been formed by a group of 11 Research and Development projects, plus a specific action to promote the dissemination of design methodologies, techniques, and supporting tools developed within the Cluster projects. The whole action, ending in July 2002, has been assigned an overall budget of more than 8 million EURO.

Simulation Techniques and Solutions for Mixed-Signal Coupling in Integrated Circuits

Simulation Techniques and Solutions for Mixed-Signal Coupling in Integrated Circuits
Author: Nishath K. Verghese
Publisher: Springer Science & Business Media
Total Pages: 297
Release: 2012-12-06
Genre: Technology & Engineering
ISBN: 1461522390


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The goal of putting `systems on a chip' has been a difficult challenge that is only recently being met. Since the world is `analog', putting systems on a chip requires putting analog interfaces on the same chip as digital processing functions. Since some processing functions are accomplished more efficiently in analog circuitry, chips with a large amount of analog and digital circuitry are being designed. Whether a small amount of analog circuitry is combined with varying amounts of digital circuitry or the other way around, the problem encountered in marrying analog and digital circuitry are the same but with different scope. Some of the most prevalent problems are chip/package capacitive and inductive coupling, ringing on the RLC tuned circuits that form the chip/package power supply rails and off-chip drivers and receivers, coupling between circuits through the chip substrate bulk, and radiated emissions from the chip/package interconnects. To aggravate the problems of designers who have to deal with the complexity of mixed-signal coupling there is a lack of verification techniques to simulate the problem. In addition to considering RLC models for the various chip/package/board level parasitics, mixed-signal circuit designers must also model coupling through the common substrate when simulating ICs to obtain an accurate estimate of coupled noise in their designs. Unfortunately, accurate simulation of substrate coupling has only recently begun to receive attention, and techniques for the same are not widely known. Simulation Techniques and Solutions for Mixed-Signal Coupling in Integrated Circuits addresses two major issues of the mixed-signal coupling problem -- how to simulate it and how to overcome it. It identifies some of the problems that will be encountered, gives examples of actual hardware experiences, offers simulation techniques, and suggests possible solutions. Readers of this book should come away with a clear directive to simulate their design for interactions prior to building the design, versus a `build it and see' mentality.

Substrate Noise Analysis in RF Integrated Circuits

Substrate Noise Analysis in RF Integrated Circuits
Author:
Publisher:
Total Pages:
Release: 2004
Genre:
ISBN:


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Substrate coupling in integrated circuits is the process whereby, parasitic current flow in the substrate, electrically couples devices in different parts of the circuit. Higher levels of integration and higher frequencies of operation makes the coupling more pronounced in modern circuit realizations. Electrical coupling in the substrate leads to undesirable interaction between devices which can degrade circuit performance. The degradation can manifest itself in different ways. In mixed analog-digital circuits, for example, the switching-noise generated by digital circuits can be coupled to sensitive analog circuits through the substrate. Performance degradation due to substrate coupling can be addressed at the circuit design stage by including substrate models in circuit analysis. Analytical models based on simple substrate resistance plots are developed. Trends in substrate resistance variation for different substrates are studied to understand its effect at the circuit level. Analytical model for measurement of substrate coupling at the circuit level based on substrate resistance information and other circuit parameters is developed. Efficient techniques to improve isolation based on simulation and analysis of the substrate model are discussed.

Substrate Noise

Substrate Noise
Author: Edoardo Charbon
Publisher: Springer Science & Business Media
Total Pages: 178
Release: 2007-05-08
Genre: Technology & Engineering
ISBN: 0306481715


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In the past decade, substrate noise has had a constant and significant impact on the design of analog and mixed-signal integrated circuits. Only recently, with advances in chip miniaturization and innovative circuit design, has substrate noise begun to plague fully digital circuits as well. To combat the effects of substrate noise, heavily over-designed structures are generally adopted, thus seriously limiting the advantages of innovative technologies. Substrate Noise: Analysis and Optimization for IC Design addresses the main problems posed by substrate noise from both an IC and a CAD designer perspective. The effects of substrate noise on performance in digital, analog, and mixed-signal circuits are presented, along with the mechanisms underlying noise generation, injection, and transport. Popular solutions to the substrate noise problem and the trade-offs often debated by designers are extensively discussed. Non-traditional approaches as well as semi-automated techniques to combat substrate noise are also addressed. Substrate Noise: Analysis and Optimization for IC Design will be of interest to researchers and professionals interested in signal integrity, as well as to mixed signal and RF designers.

Noise Coupling in Integrated Circuits

Noise Coupling in Integrated Circuits
Author: Cosmin Iorga
Publisher: Noisecoupling.com
Total Pages: 271
Release: 2008
Genre: Electronic circuits
ISBN: 9780615197562


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