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Scan Chain Diagnosis by Adaptive Signal Profiling with Manufacturing ATPG Patterns 基于制造ATPG模式的自适应信号分析扫描链诊断
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.36
Yu Huang, Wu-Tung Cheng, Ruifeng Guo, Ting-Pu Tai, F. Kuo, Yuan-Shih Chen
{"title":"Scan Chain Diagnosis by Adaptive Signal Profiling with Manufacturing ATPG Patterns","authors":"Yu Huang, Wu-Tung Cheng, Ruifeng Guo, Ting-Pu Tai, F. Kuo, Yuan-Shih Chen","doi":"10.1109/ATS.2009.36","DOIUrl":"https://doi.org/10.1109/ATS.2009.36","url":null,"abstract":"In the past, software based scan chain defect diagnosis can be roughly classified into two categories (1) model-based algorithms, and (2) data-driven algorithms. In this paper we first analyze the advantages and disadvantages of each category of the chain diagnosis algorithms. Next, an adaptive signal profiling algorithm that can use manufacturing ATPG scan patterns is proposed for scan chain diagnosis. Finally, several case studies and their PFA results are presented to validate the accuracy and effectiveness of the proposed algorithm.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"269 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131691760","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: 25
Leveraging Partially Enhanced Scan for Improved Observability in Delay Fault Testing 利用部分增强扫描提高延迟故障测试的可观察性
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.78
K. Deepak, Robinson Reyna, Virendra Singh, A. Singh
{"title":"Leveraging Partially Enhanced Scan for Improved Observability in Delay Fault Testing","authors":"K. Deepak, Robinson Reyna, Virendra Singh, A. Singh","doi":"10.1109/ATS.2009.78","DOIUrl":"https://doi.org/10.1109/ATS.2009.78","url":null,"abstract":"Enhanced Scan design can significantly improve the fault coverage for two pattern delay tests at the cost of exorbitantly high area overhead. The redundant flip-flops introduced in the scan chains have traditionally only been used to launch the two-pattern delay test inputs, not to capture tests results. This paper presents a new, much lower cost partial Enhanced Scan methodology with both improved controllability and observability. Facilitating observation of some hard to observe internal nodes by capturing their response in the already available and underutilized redundant flip-flops improves delay fault coverage with minimal or almost negligible cost. Experimental results on ISCAS’89 benchmark circuits show significant improvement in TDF fault coverage for this new partial enhance scan methodology.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132116287","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: 8
Self-Calibrating Embedded RF Down-Conversion Mixers 自校准嵌入式射频下变频混频器
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.77
A. Goyal, M. Swaminathan, A. Chatterjee
{"title":"Self-Calibrating Embedded RF Down-Conversion Mixers","authors":"A. Goyal, M. Swaminathan, A. Chatterjee","doi":"10.1109/ATS.2009.77","DOIUrl":"https://doi.org/10.1109/ATS.2009.77","url":null,"abstract":"This paper proposes a self-calibrating approach for embedded RF down-conversion mixers. In the proposed approach, the output of the RF mixer is analyzed by using on-chip resources for testing and the mixer performs self-compensation for parametric defects using tuning knobs. The tuning knobs enable the RF mixer to self-calibrate for multi-parameter variations induced due to process variability. Using this methodology, it is demonstrated that performance compensation of RF down-conversion mixers can be performed simultaneously for critical specifications such as Gain and 1-dB compression point (P1dB).","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113982152","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: 16
Low Cost Dynamic Test Methodology for High Precision ΣΔ ADCs 高精度ΣΔ adc的低成本动态测试方法
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.76
Sehun Kook, H. Choi, Vishwanath Natarajan, A. Chatterjee, A. Gomes, Shalabh Goyal, Le Jin
{"title":"Low Cost Dynamic Test Methodology for High Precision ΣΔ ADCs","authors":"Sehun Kook, H. Choi, Vishwanath Natarajan, A. Chatterjee, A. Gomes, Shalabh Goyal, Le Jin","doi":"10.1109/ATS.2009.76","DOIUrl":"https://doi.org/10.1109/ATS.2009.76","url":null,"abstract":"In this paper, a low-cost test methodology for dynamic specifications of high precision sigma-delta (ΔΣ) analog-to-digital converters (ADCs) is presented. Dynamic testing of ADCs requires an input test stimulus with total harmonic distortion (THD) and signal-to-noise ratio (SNR) about 10dB better than the ADC under test. ΔΣ ADCs are inherently high resolution converters with excellent THD and SNR due to their inherent over-sampling, averaging and noise shaping properties. In the proposed test methodology, the back end digital and decimation filters of such converters are turned off and the digital pulse sequence at the output of the sigma-delta modulator is made externally observable for test purposes. It is seen that ENOB, THD and SNR of the converter can be determined with significantly increased sensitivity to device nonlinearities and noise allowing the use of less than ideal input stimulus than otherwise or significantly reduced test time. The back-end filters are then tested using traditional digital test techniques. Simulation results show the usefulness of the proposed test methodology.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123251353","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
Delay Fault Diagnosis in Sequential Circuits 时序电路中的延迟故障诊断
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.16
Y. Benabboud, A. Bosio, L. Dilillo, P. Girard, S. Pravossoudovitch, A. Virazel, Olivia Riewer
{"title":"Delay Fault Diagnosis in Sequential Circuits","authors":"Y. Benabboud, A. Bosio, L. Dilillo, P. Girard, S. Pravossoudovitch, A. Virazel, Olivia Riewer","doi":"10.1109/ATS.2009.16","DOIUrl":"https://doi.org/10.1109/ATS.2009.16","url":null,"abstract":"The importance of delay faults proportionally increases when entering in the nano-technology era, and logic diagnosis must localize delay faults as precisely as possible to speed-up yield ramp-up. This paper presents a logic diagnosis approach targeting delay faults. The proposed approach is based on the Single-Location-at-A-Time (SLAT) paradigm used to determine a set of suspects. It addresses the case of sequential circuits tested at-speed. The main advantages of this approach are that it can manage a comprehensive set of delay faults, and that it is independent on the size of the delay (induced by the fault). Experimental results show the effectiveness of the proposed approach in terms of absolute number of suspects.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"86 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123289433","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: 4
Low Overhead Time-Multiplexed Online Checking: A Case Study of An H.264 Decoder 低开销时复用在线检测:H.264解码器的案例研究
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.24
Ming Gao, K. Cheng
{"title":"Low Overhead Time-Multiplexed Online Checking: A Case Study of An H.264 Decoder","authors":"Ming Gao, K. Cheng","doi":"10.1109/ATS.2009.24","DOIUrl":"https://doi.org/10.1109/ATS.2009.24","url":null,"abstract":"To cope with increasing in-field failure rates for cost-sensitive electronic products, a low-overhead online checking methodology -- Time-Multiplexed Online Checking (TMOC) -- was proposed and demonstrated in [1]. In this paper, we study the area overhead required for employing TMOC in an embedded Field Programmable Gate Array (eFPGA) core. The overheads caused by the relatively low logic density of eFPGA and the interface routing between a design module and its TMOC checker are examined in detail. In a case study of an H.264 decoder design [2], TMOC is compared to a dedicated duplication-based online checking scheme [3], which typically incurs more than 100% area overhead. Experimental results show that TMOC provides significant chip area overhead reduction for online checkers. A reduction of 68% is achieved when one checker is shared by 62 design partitions, for example. TMOC can also help reduce dynamic power overhead of online checking by increasing the number of partitions, at the cost of increased fault detection latency in some partitions.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123829927","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: 2
Kiss the Scan Goodbye: A Non-scan Architecture for High Coverage, Low Test Data Volume and Low Test Application Time 告别扫描:一种高覆盖率、低测试数据量和低测试应用时间的非扫描架构
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.17
M. Hsiao, Mainak Banga
{"title":"Kiss the Scan Goodbye: A Non-scan Architecture for High Coverage, Low Test Data Volume and Low Test Application Time","authors":"M. Hsiao, Mainak Banga","doi":"10.1109/ATS.2009.17","DOIUrl":"https://doi.org/10.1109/ATS.2009.17","url":null,"abstract":"Scan-based DFT is the de-facto industrial practice for testing integrated circuits (ICs). Variations in the scan architecture to improve test metrics have been the primary focus in recent years. In this paper, we propose a new nonscan DFT in which a subset of the circuit flip-flops are made directly loadable from the primary inputs and another subset of flip-flops are made observable at the output via a state compactor. In this architecture, multiple flip-flops may share the same primary input in the loading mode. A load-enable pin is added to distinguish the direct-loading mode from the functional mode. With a modest area overhead, this architecture offers several attractive features, including (1) at-speed testing, which eliminates the need for scan-shifting and would thus capture delay-related defects, (2) low test data volume and test application time, as we no longer need to store all the scan and response data, (3) high coverages, since the low-testability flipflops are made to be loadable and/or observable, and (4) low test power. Experimental results on large ISCAS’89 circuits validate the aforementioned metrics with 10× to 100× reduction in test application time with respect to Illinois Scan.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124885030","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: 5
Partition Based SoC Test Scheduling with Thermal and Power Constraints under Deep Submicron Technologies 深亚微米下热功耗约束下基于分区的SoC测试调度
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.15
Chunhua Yao, K. Saluja, P. Ramanathan
{"title":"Partition Based SoC Test Scheduling with Thermal and Power Constraints under Deep Submicron Technologies","authors":"Chunhua Yao, K. Saluja, P. Ramanathan","doi":"10.1109/ATS.2009.15","DOIUrl":"https://doi.org/10.1109/ATS.2009.15","url":null,"abstract":"For core-based System-on-Chip (SoC) testing, conventional power-constrained test scheduling methods do not guarantee a thermal-safe solution. Also, most of the test scheduling schemes make poor assumptions about power consumption. In deep submicron era, leakage power and wake-up power consumption can not be neglected. In this paper, we propose a partition based thermal-aware test scheduling algorithm with more realistic assumptions of recent SoCs. In our test scheduling algorithm, each test is partitioned and the earliest starting time of each partition is searched. To reduce the execution time of thermal simulation, we also exploit superposition principle to compute the power and thermal profile rapidly and accurately. We apply our test scheduling algorithm to ITC’02 SoC benchmarks and the results show improvements in the total test time over scheduling schemes without partitioning.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125801649","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
A Novel Seed Selection Algorithm for Test Time Reduction in BIST 一种新的减少测试时间的种子选择算法
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.10
R. Chakraborty, D. R. Chowdhury
{"title":"A Novel Seed Selection Algorithm for Test Time Reduction in BIST","authors":"R. Chakraborty, D. R. Chowdhury","doi":"10.1109/ATS.2009.10","DOIUrl":"https://doi.org/10.1109/ATS.2009.10","url":null,"abstract":"The seed (initial state) of a pseudo-random pattern generator (PRPG) for built-in self-test (BIST), significantly influences the fault coverage and total test application time. This paper introduces a one-pass seed selection algorithm, for any known PRPG. Due to its single-pass nature, unlike the state-of-the-art exhaustive search methods, the proposed algorithm is more time and memory efficient. Experimental results on ISCAS’85 and ISCAS’89 benchmark circuits, and synthetic SoCs built out of the combinational benchmarks, show considerable reduction in test length within comparable fault efficiencies, almost 100%, with respect to the existing methods.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126738459","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: 5
An On-Chip Integrator Leakage Characterization Technique and Its Application to Switched Capacitor Circuits Testing 片上积分器泄漏表征技术及其在开关电容电路测试中的应用
2009 Asian Test Symposium Pub Date : 2009-11-23 DOI: 10.1109/ATS.2009.55
Chen-Yuan Yang, Xuan-Lun Huang, Jiun-Lang Huang
{"title":"An On-Chip Integrator Leakage Characterization Technique and Its Application to Switched Capacitor Circuits Testing","authors":"Chen-Yuan Yang, Xuan-Lun Huang, Jiun-Lang Huang","doi":"10.1109/ATS.2009.55","DOIUrl":"https://doi.org/10.1109/ATS.2009.55","url":null,"abstract":"This paper presents a leakage characterization technique for switched capacitor (SC) integrators. It is a low-cost on-chip solution because (1) the test stimulus is a DC voltage whose exact value is not important, and (2) the output response digitizer is simply a comparator. Simulation results show that integrator leakage can be accurately characterized even in the presence of noise and comparator offset. Together with existing SC testing techniques, the leakage characterization technique helps better characterize SC circuits; its application to several popular SC circuits is demonstrated.","PeriodicalId":106283,"journal":{"name":"2009 Asian Test Symposium","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125018266","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
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