Activity based high level modeling of dynamic switching currents in digital IC modules

Gstottner, Andreas; Steinecke, T.; Huemer, Mario

doi:10.1109/emczur.2006.215005

Cited by 8 publications

(4 citation statements)

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“…An analog simulation of large digital blocks is not feasible for time and data space requirements. We generate the i(t) sources for such kind of modules based on the Verilog netlist of the module [2]. This approach requires a precharacterized cell library and mathematical formulas how to calculate actual dynamic current shapes from the characterization data, taking into account the real input slew rates and output loads.…”

Section: A Switching Current Sourcesmentioning

confidence: 99%

High-Accuracy Emission Simulation Models for VLSI Chips including Package and Printed Circuit Board

Steinecke

Goekcen

Hesidenz

et al. 2007

2007 IEEE International Symposium on Electromagnetic Compatibility

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The electromagnetic emission of complex very large scale integrated circuits is determined by their operation activity plus the manifold noise propagation paths through the on-chip power routing, the package traces and the planes and traces on the printed circuit board. The design of any emission test board influences the emission finally measured at defined probing connectors. Good simulation models have to serve two main interests: (1) identification of emission-related IC design weaknesses and estimation of measured emission from the IC manufacturer's point of view and (2) identification of emissionrelated application board design weaknesses and estimation of measured emission from the system manufacturer's point of view. This paper presents a target-leading approach for a full system emission simulation model which serves both the IC and system manufacturer's interests. The simulation model has been created and verified for a 32-bit automotive microcontroller containing 30 million transistors.

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Section: A Switching Current Sourcesmentioning

confidence: 99%

High-Accuracy Emission Simulation Models for VLSI Chips including Package and Printed Circuit Board

Steinecke

Goekcen

Hesidenz

et al. 2007

2007 IEEE International Symposium on Electromagnetic Compatibility

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“…The proposed two-step order reduction will be validated by using an IC conducted emission model. The model is an electrical representation of IC behaviour on high frequencies (Steinecke et al, 2006;Gstoettner et al, 2006). The system of the IC conducted emission model is a MIMO, where a certain amount of input/output ports are engaged with current sources.…”

Section: Examplesmentioning

confidence: 99%

Model order reduction of linear time invariant systems

et al. 2008

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Abstract. This paper addresses issues related to the order reduction of systems with multiple input/output ports. The order reduction is divided up into two steps. The first step is the standard order reduction method based on the multipoint approximation of system matrices by applying Krylov subspace. The second step is based on the rejection of the weak part of a system. To recognise the weak system part, Lyapunov equations are used. Thus, this paper introduces efficient solutions of the Lyapunov equations for port to port subsystems.

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“…State-of-the-art modelling approaches [1]- [4] and past reported approaches [5] [6] struggle with some important drawbacks:…”

Section: Introductionmentioning

confidence: 99%

Microcontroller emission simulation based on power consumption and clock system

Steinecke

2013

2013 9th International Workshop on Electromagnetic Compatibility of Integrated Circuits (EMC Compo)

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Various approaches exist to build simulation models for the electromagnetic emission (EME) of digital integrated circuits [1-6]. However, several drawbacks constrain their configuration and usage. A new modelling approach is described in this paper. It is based on the main EME-relevant parameters of digital circuits, i.e. dynamic power and clock rates. This information should be even available before the IC design phase starts. With this approach, the models can be created without any additional information about module size, functional patterns or embedded decoupling capacitors. Thus it can be used to perform design studies wrt. clock rate selection, clock modulation and impact of dynamic power consumption. The modelling and simulation software can even handle very complex ICs like high-end 32-bit microcontrollers. The program is named EMISoC which stands for "EMI simulation of systems-on-chip". It has been validated for existing 65 nm CMOS designs and is currently used for emission estimations of future 40 nm microcontrollers for automotive applications. This paper describes the EMISoC modelling approach, features and limitations.

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Activity based high level modeling of dynamic switching currents in digital IC modules

Cited by 8 publications

References 0 publications

High-Accuracy Emission Simulation Models for VLSI Chips including Package and Printed Circuit Board

High-Accuracy Emission Simulation Models for VLSI Chips including Package and Printed Circuit Board

Model order reduction of linear time invariant systems

Microcontroller emission simulation based on power consumption and clock system

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