2011 IEEE 6th International Design and Test Workshop (IDT)最新文献

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An area-efficient 2-D convolution implementation on FPGA for space applications 空间应用的面积高效二维卷积FPGA实现
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123108
S. Carlo, Giulio Gambardella, Marco Indaco, Daniele Rolfo, G. Tiotto, P. Prinetto
{"title":"An area-efficient 2-D convolution implementation on FPGA for space applications","authors":"S. Carlo, Giulio Gambardella, Marco Indaco, Daniele Rolfo, G. Tiotto, P. Prinetto","doi":"10.1109/IDT.2011.6123108","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123108","url":null,"abstract":"The 2-D Convolution is an algorithm widely used in image and video processing. Although its computation is simple, its implementation requires a high computational power and an intensive use of memory. Field Programmable Gate Arrays (FPGA) architectures were proposed to accelerate calculations of 2-D Convolution and the use of buffers implemented on FPGAs are used to avoid direct memory access. In this paper we present an implementation of the 2-D Convolution algorithm on a FPGA architecture designed to support this operation in space applications. This proposed solution dramatically decreases the area needed keeping good performance, making it appropriate for embedded systems in critical space applications.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127541209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
Reduced dimension Vector Quantization encoding method for image compression 图像压缩的降维矢量量化编码方法
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123112
Yan Wang, A. Bermak, F. Boussaïd
{"title":"Reduced dimension Vector Quantization encoding method for image compression","authors":"Yan Wang, A. Bermak, F. Boussaïd","doi":"10.1109/IDT.2011.6123112","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123112","url":null,"abstract":"The codebook and image block compression by Compressive Sampling (CS) in Vector Quantization (VQ) is proposed for image coding. Both the memory storage and the computational complexity in the VQ Encoder could be reduced for resources constrained applications. The deteriorated image produced by only using the first m transformed coefficients for codebook search could be restored and enhanced with a convex optimization program called l1-norm minimization in the decoder. The computational intensive process is shifted from the encoder to the decoder. This feature allows it to be suitable for wireless sensor network applications.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125229348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A Python-based layout-aware analog design methodology for nanometric technologies 基于python的纳米技术布局感知模拟设计方法
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123103
Stephanie Youssef, F. Javid, D. Dupuis, R. Iskander, M. Louërat
{"title":"A Python-based layout-aware analog design methodology for nanometric technologies","authors":"Stephanie Youssef, F. Javid, D. Dupuis, R. Iskander, M. Louërat","doi":"10.1109/IDT.2011.6123103","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123103","url":null,"abstract":"This paper presents a methodology for procedural layout-aware design for nanometric technologies. A Python-based layout generation tool generates different layout styles for the same basic analog building blocks. Moreover, layout dependent parasitic parameters such as stress effects are easily computed and compared for different layout styles. The procedural layout description is written using a Python API that ensures layout portability over different technologies. A main focus is on how the layout generation tool addresses both geometric and parasitic-aware electrical synthesis. This is made possible through an internal loop that links circularly both the sizing phase and the layout generation phase. The proposed design methodology assists the analog designer in exploring electrical and physical trade-offs. At the end, we present synthesis and characterization results that prove the effectiveness and speed of the proposed methodology.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122020394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Fault detection and diagnoses methodology for adaptive digitally-calibrated pipelined ADCs 自适应数字校准流水线adc的故障检测与诊断方法
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123097
M. Abbas
{"title":"Fault detection and diagnoses methodology for adaptive digitally-calibrated pipelined ADCs","authors":"M. Abbas","doi":"10.1109/IDT.2011.6123097","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123097","url":null,"abstract":"This paper presents a cost-effective methodology for fault detection and diagnosis in the adaptive digitally-calibrated pipelined ADCs. In the proposed method, the analog portions of the design are tested utilizing the digital output codes. The test stimulus is generated on-chip. In contrast with the conventional method where the test is usually done at the end of the calibration process, the proposed method utilizes the uncalibrated output codes of the DUT to generate the code error signature (Cεs), which is the difference between the expected (ideal) and the uncalibrated output codes. Interpreting (Cεs), the process of fault isolation and fault value assessment can be done. To demonstrate the methodology, a ten-stage digitally-calibrated pipelined ADC is modeled and simulated using MATLAB. Faults having different type and values are intentionally injected in different places of the design. The simulation results show that Cεs of each fault has pattern dependence on the faulty portion, fault type and fault value. Therefore, the faulty (or even the weak) portion(s) of the DUT can be identified, which is useful for enhancing the reliability of the subsequent design generation.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"928 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120942103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Validation & Verification of an EDA automated synthesis tool EDA自动合成工具的验证和验证
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123100
S. Carlo, Giulio Gambardella, Marco Indaco, Daniele Rolfo, P. Prinetto
{"title":"Validation & Verification of an EDA automated synthesis tool","authors":"S. Carlo, Giulio Gambardella, Marco Indaco, Daniele Rolfo, P. Prinetto","doi":"10.1109/IDT.2011.6123100","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123100","url":null,"abstract":"Reliability and correctness are two mandatory features for automated synthesis tools. To reach the goals several campaigns of Validation and Verification (V&V) are needed. The paper presents the extensive efforts set up to prove the correctness of a newly developed EDA automated synthesis tool. The target tool, MarciaTesta, is a multi-platform automatic generator of test programs for microprocessors' caches. Getting in input the selected March Test and some architectural details about the target cache memory, the tool automatically generates the assembly level program to be run as Software Based Self-Testing (SBST). The equivalence between the original March Test, the automatically generated Assembly program, and the intermediate C/C++ program have been proved resorting to sophisticated logging mechanisms. A set of proved libraries has been generated and extensively used during the tool development. A detailed analysis of the lessons learned is reported.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126648801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analog performance prediction based on archimedean copulas generation algorithm 基于阿基米德copula生成算法的模拟性能预测
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123095
Kamel Beznia, A. Bounceur, R. Euler
{"title":"Analog performance prediction based on archimedean copulas generation algorithm","authors":"Kamel Beznia, A. Bounceur, R. Euler","doi":"10.1109/IDT.2011.6123095","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123095","url":null,"abstract":"Testing analog circuits is a complex and very time consuming task. In contrary to digital circuits, testing analog circuits needs different configurations, each of them targets a certain set of output parameters which are the performances and the test measures. One of the solutions to simplify the test task and optimize test time is the reduction of the number of to-be-tested performances by eliminating redundant ones. However, the main problem with such a solution is the identification of redundant performances. Traditional methods based on calculation of the correlation between different performances or on the defect level are shown to be not sufficient. This paper presents a new method based on the Archimedean copula generation algorithm. It predicts the performance value from each output parameter value based on the dependence (copula) between the two values. Therefore, different performances can be represented by a single output parameter; as a result, less test configurations are required. To validate the proposed approach, a CMOS imager with two performances and one test measure is used. The simulation results show that the two performances can be replaced by a single test measure. Industrial results are also reported to prove the superiority of the proposed approach.1","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133229603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An electrical-aware parametric DFM solution for analog circuits 模拟电路的电感知参数DFM解决方案
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123104
R. Salem, A. Arafa, Sherif Hany, Abdelrahman ElMously, H. Eissa, M. Dessouky, D. Nairn, M. Anis
{"title":"An electrical-aware parametric DFM solution for analog circuits","authors":"R. Salem, A. Arafa, Sherif Hany, Abdelrahman ElMously, H. Eissa, M. Dessouky, D. Nairn, M. Anis","doi":"10.1109/IDT.2011.6123104","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123104","url":null,"abstract":"Today, many of the approaches that are commonly referred to as physical DFM techniques only address catastrophic defects and systematic process variations. These techniques include spreading wires, doubling vias, identification of critical areas in the circuit that are especially susceptible to defects, and identification of proximity effects caused by the lithography process. However, physical DFM tools are purely “geometric”, in that they work to preserve shape fidelity without any knowledge of the impact on the electrical characteristics of the shapes that are manufactured in silicon. While these techniques have proven useful in reducing functional failures and increasing overall yield by a few percentage points, they completely ignore the more important category of parametric failures. The proposed solution presented in this chapter specifically helps to address the parametric performance modeling problems encountered at smaller geometries. As this solution drives design requirements into physical layout design and moves layout awareness upstream into design, useful information about the design (on the physical and electrical level) is captured, analyzed, and simulated. Deviations in the electrical characteristics due to physical layout and process variations, are identified and highlighted on the design. These deviations are referred as electrical hotspots (e-hotspots). To validate this work, The proposed e-hotspot detection engine is verified against silicon wafer data for a level shifter circuit designed at 130nm. The e-hotspot devices with high variation in DC current and causing parametric failure, are identified.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133056463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Body contact based TSV equalizer 基于身体接触的TSV均衡器
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123113
K. Mohamed, A. El-Rouby, Y. Ismail, H. Ragai
{"title":"Body contact based TSV equalizer","authors":"K. Mohamed, A. El-Rouby, Y. Ismail, H. Ragai","doi":"10.1109/IDT.2011.6123113","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123113","url":null,"abstract":"This paper shows that the TSV capacitance is highly dependent on the placement and count of adjacent ground body contacts and has a value of tens of femto farads in a typical current technology. Simulations show that the total TSV capacitance increases with the increase in the body contacts count or the closer the body contacts are to the TSV. This increase is due to the fact that the more body contacts, the closer the effective virtual ground plate of the TSV capacitance. Body contacts reduce the crosstalk and distortion caused by the TSV interconnects in a 3D IC system. Moreover, it alleviates noise coupling.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"174 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122955250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Digital circuits verification with consideration of destabilizing factors 考虑不稳定因素的数字电路验证
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123109
R. Goldman, Vazgen Melikyan, E. Babayan
{"title":"Digital circuits verification with consideration of destabilizing factors","authors":"R. Goldman, Vazgen Melikyan, E. Babayan","doi":"10.1109/IDT.2011.6123109","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123109","url":null,"abstract":"New principles of verification system construction, with consideration of the impact of various internal and external destabilizing factors are presented. It is shown that the proposed principles allow keeping the main advantages of the traditional digital circuit logic simulation, while eliminating key limitations. Verification system is based on new cell and digital circuit models which consider destabilizing factor impact on circuit operation.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121346859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
RTL delay macro-modeling with Vt and Vdd variability 具有Vt和Vdd可变性的RTL延迟宏观建模
2011 IEEE 6th International Design and Test Workshop (IDT) Pub Date : 2011-12-01 DOI: 10.1109/IDT.2011.6123114
Tatsuya Koyagi, S. Majzoub, M. Fukui, R. Saleh
{"title":"RTL delay macro-modeling with Vt and Vdd variability","authors":"Tatsuya Koyagi, S. Majzoub, M. Fukui, R. Saleh","doi":"10.1109/IDT.2011.6123114","DOIUrl":"https://doi.org/10.1109/IDT.2011.6123114","url":null,"abstract":"Recent low-power design utilizes a variety of approaches for Vdd and Vt control to reduce dynamic and leakage power. It is important to be able to explore various low-power design options at a high-level early in the design process. Furthermore, process variation is becoming large and greatly affects the power and delay results. In particular, the delay analysis becomes very complicated and time-consuming with existing tools. This paper proposes a new efficient RTL delay macro-model to address these recent problems. The goal is to provide transistor-level accuracy at the RTL level with Vt and Vdd variability. It also includes the ability to handle PVT variations. The validation of the model is demonstrated by comparison with a circuit simulator and a timing verification tool. The experiments show this macro-model predicts the delay for variable Vdd and Vt with an accuracy of ±5% against HSPICE™ and ±10% against PrimeTime™ for a number of ITC'99 benchmark circuits.","PeriodicalId":167786,"journal":{"name":"2011 IEEE 6th International Design and Test Workshop (IDT)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134346026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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