2014 IEEE International Conference on IC Design & Technology最新文献

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Understanding timing impact of BTI/RTN with massively threaded atomistic transient simulations 通过大规模线程原子瞬态模拟了解BTI/RTN对时间的影响
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838587
D. Rodopoulos, Dimitrios Stamoulis, Grigorios Lyras, D. Soudris, F. Catthoor
{"title":"Understanding timing impact of BTI/RTN with massively threaded atomistic transient simulations","authors":"D. Rodopoulos, Dimitrios Stamoulis, Grigorios Lyras, D. Soudris, F. Catthoor","doi":"10.1109/ICICDT.2014.6838587","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838587","url":null,"abstract":"Prior art on Bias Temperature Instability (BTI) and Random Telegraph Noise (RTN) shows their importance for digital system reliability. Reaction-diffusion models align poorly with deca-nanometer dimension experiments. Modern atomistic models capture time-zero/-dependent effects but are complicated and constrained by system memory. We propose an atomistic BTI/RTN transient simulator that can be massively threaded across any many-core platform with a hypervisor. Compared to a commercial reference we achieve x7 maximum speedup with no accuracy degradation and simulate circuits with more than 100,000 transistors. We deterministically inspect the initial stages of circuit operation, correlate delay effects with the logic depth and hint towards optimal design and simulation practices.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128415109","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: 12
Modeling SRAM dynamic VMIN SRAM动态VMIN建模
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838609
James Boley, B. Calhoun, V. Chandra, R. Aitken
{"title":"Modeling SRAM dynamic VMIN","authors":"James Boley, B. Calhoun, V. Chandra, R. Aitken","doi":"10.1109/ICICDT.2014.6838609","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838609","url":null,"abstract":"Designing and margining SRAMs in new emerging technologies has become increasingly difficult due to an increase in variation and cache size. In the past, the length of the wordline (WL) pulse width was typically set by the read operation, due to its longer delay. However, in newer technologies it has been shown that in many cases the write operation is more limiting due to the high variability of the minimum sized PMOS device. Measuring the critical WL pulse width (TCRIT) of the write operation requires transient simulation which is more computation intensive, resulting in higher simulation times. In this paper we present a method for measuring write TCRIT which uses sensitivity analysis to provide a ~112X speedup over recursive statistical blockade. In addition, we observe that increasing the WL pulse width allows for a reduction in total cycle time. Using this information, we show that negative BL reduction is more effective at reducing TCRIT compared WL boosting as the cycle time is reduced.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126205315","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
RC triggered active ESD clamps; How should they behave under powered conditions? RC触发有源ESD钳;它们在有动力的条件下应该如何表现?
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838619
James W. Miller, M. Stockinger, Scott Ruth, A. Gerdemann, M. Etherton, M. Moosa
{"title":"RC triggered active ESD clamps; How should they behave under powered conditions?","authors":"James W. Miller, M. Stockinger, Scott Ruth, A. Gerdemann, M. Etherton, M. Moosa","doi":"10.1109/ICICDT.2014.6838619","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838619","url":null,"abstract":"Problems with standard RC clamp circuits during powered system level ESD events are reviewed. A new clamp design is presented which employs a proportional triggering scheme that regulates the pad voltage during transient events, rather than simply switching the clamps fully on or off.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131549361","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
Single-ended sub-threshold finfet 7T SRAM cell without boosted supply 无升压电源的单端亚阈值finet 7T SRAM单元
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838593
C. Kushwah, S. Vishvakarma, D. Dwivedi
{"title":"Single-ended sub-threshold finfet 7T SRAM cell without boosted supply","authors":"C. Kushwah, S. Vishvakarma, D. Dwivedi","doi":"10.1109/ICICDT.2014.6838593","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838593","url":null,"abstract":"The proposed novel FinFET 7T cell involves the breaking-up of feedback between the true storing nodes that enhances the writability of the cell at ultra-low voltage (ULV) power supply without boosted supply and write assist at 20nm technology node. Proposed 7T achieves improved hold static noise margin (HSNM) as compared to the conventional upsized 5T(U5T) cell. The write trip point (WTP) is 16.2% lower than the U5T WTP at 100mV. The read power consumption is reduced by 13.7% with similar write power consumption of U5T. The read decoupling and feedback cutting makes proposed 7T more immune to process variations in sub-threshold regime.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134594795","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: 13
An on-chip high-voltage current sensor for battery module monitoring 用于电池模块监测的片上高压电流传感器
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838585
Chua-Chin Wang, Wen-Je Lu, Sheng-Syong Wang
{"title":"An on-chip high-voltage current sensor for battery module monitoring","authors":"Chua-Chin Wang, Wen-Je Lu, Sheng-Syong Wang","doi":"10.1109/ICICDT.2014.6838585","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838585","url":null,"abstract":"This paper presents an on-chip high-voltage (HV) current sensor for battery module monitoring. Battery management systems (BMS) are key technology of electric vehicles (EV) or hybrid EV. BMS is assembled by battery modules consisting of series of battery cells. Owing to high supply voltage and large current, the HV current sensors are needed for security, but they are not easily implemented on chip. Thus, we proposes an on-chip high-voltage current sensor to resolve this issue. The proposed HV current sensor in this work provides a wide sensing voltage range as well as large sense current range. The proposed design is implemented using a typical 0.25 μm 1P3M 60V BCD process. The on-chip sensing current range of the proposed HV current sensor is from 0.5 A to 1 A. The error of the proposed HV current sensor is only ± 0.37 %. Notably, the sensing voltage range is up to 20 V~40 V.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130119427","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: 7
High-performance stacked TiO2-ZrO2 and Si-doped ZrO2 metal-insulator-metal capacitors 高性能堆叠TiO2-ZrO2和掺硅ZrO2金属-绝缘体-金属电容器
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838596
R. Padmanabhan, N. Bhat, Y. Morozumi, S. Mohan, S. Kaushal
{"title":"High-performance stacked TiO2-ZrO2 and Si-doped ZrO2 metal-insulator-metal capacitors","authors":"R. Padmanabhan, N. Bhat, Y. Morozumi, S. Mohan, S. Kaushal","doi":"10.1109/ICICDT.2014.6838596","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838596","url":null,"abstract":"Metal-insulator-metal (MIM) capacitors for DRAM applications have been realised using stacked TiO<sub>2</sub>-ZrO<sub>2</sub>(TiO<sub>2</sub>/ZrO<sub>2</sub> and ZrO<sub>2</sub>/TiO<sub>2</sub>) and Si-doped ZrO<sub>2</sub> (TiO<sub>2</sub>/Si-doped ZrO<sub>2</sub>) dielectrics. High capacitance densities (> 42 fF/ μm<sup>2</sup>), low leakage current densities (<; 5×10<sup>-7</sup> A/cm<sup>2</sup> at -1 V), and sub-nm EOT (<; 0.8 nm) have been achieved. The effects of constant voltage stress on the device characteristics is studied. The structural analysis of the samples is performed by X-ray diffraction measurements, and this is correlated to the electrical characteristics of the devices. The surface chemical states of the films are analyzed through X-ray photoelectron spectroscopy measurements. The doped-dielectric stack (TiO<sub>2</sub>/Si-doped ZrO<sub>2</sub>) helps to reduce leakage current density and improve reliability, with a marginal reduction in capacitance density; compared to their undoped counterparts (TiO<sub>2</sub>/ZrO<sub>2</sub> and ZrO<sub>2</sub>/TiO<sub>2</sub>). We compare the device performance of the fabricated capacitors with other stacked high-k MIM capacitors reported in recent literature.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131820258","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
Highly-reliable TaOx reram technology using automatic forming circuit 采用自动成形电路的高可靠性陶氏工艺
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838600
K. Kawai, A. Kawahara, R. Yasuhara, S. Muraoka, Zhiqiang Wei, R. Azuma, K. Tanabe, K. Shimakawa
{"title":"Highly-reliable TaOx reram technology using automatic forming circuit","authors":"K. Kawai, A. Kawahara, R. Yasuhara, S. Muraoka, Zhiqiang Wei, R. Azuma, K. Tanabe, K. Shimakawa","doi":"10.1109/ICICDT.2014.6838600","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838600","url":null,"abstract":"ReRAM is increasingly being developed for applications that require higher speeds and lower voltages than flash memory. We have found TaOx to have high performance and high reliability. However one of the phenomena observed in ReRAM is that each resistance after Set and Reset varies during every cycle. To stabilize resistive switching, the key is to limit these variations in resistance. In ReRAM, a conductive filament (CF) is created by the forming pulse. Resistive switching in the CF is based on reduction and oxidization using this voltage pulse. This paper reviews a hopping percolation model which we have proposed for the switching process, and this paper proposes an automatic forming circuit using our newly-developed externally-scalable forming pulse (ESF) scheme. In this CF model, conductive paths show different conductivities caused by the formation of different percolation networks that link hopping sites. Larger CFs show greater variation in resistance due to the many possible combinations of percolation networks. This makes it important to develop a forming technique that limits CFs to their optimal size. Forming is based on dielectric breakdown, so the pulse width ranges over approximately three orders. The automatic forming circuit detects, bit by bit, whether forming is over, and stops the forming pulse after a specified period. A forming pulse is then generated, using an external clock, to cover the range of pulse widths. This allows the filament size to be controlled to ensure it is uniform for all of the bits in the circuit, at the cost of only a small area overhead.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121792989","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: 17
A 10 Gbps loss of signal detector for high-speed AC-coupled serial transceivers in 28nm CMOS technology 基于28nm CMOS技术的高速交流耦合串行收发器10gbps信号损耗检测器
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838607
Sanad Kawar, K. Abugharbieh, Waseem Al-Akel, Mahmood A. Mohammed
{"title":"A 10 Gbps loss of signal detector for high-speed AC-coupled serial transceivers in 28nm CMOS technology","authors":"Sanad Kawar, K. Abugharbieh, Waseem Al-Akel, Mahmood A. Mohammed","doi":"10.1109/ICICDT.2014.6838607","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838607","url":null,"abstract":"This paper presents a 10 Gbps loss of signal (LOS) detector for high-speed AC-coupled serial transceivers. The detector is designed in 28nm CMOS and is capable of operating with a 29.5mV internal eye opening and a 67mV external eye opening at the input pads. It consumes 69uW from a 0.9V supply at 10 Gbps and properly asserts an LOS state in 6.8 nsec. A novel comparator topology, which is a part of the LOS circuit, is also presented. It compares a differential input to a differential reference voltage. Design and layout were implemented using Synopsys Custom Designer with 28nm CMOS device models. The LOS detector can reduce power consumption and bit error rate (BER) of serial transceivers.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129304151","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
Assessing device reliability through atomic-level modeling of material characteristics 通过材料特性的原子级建模评估器件可靠性
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838622
G. Bersuker
{"title":"Assessing device reliability through atomic-level modeling of material characteristics","authors":"G. Bersuker","doi":"10.1109/ICICDT.2014.6838622","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838622","url":null,"abstract":"Electrical characteristics of the advanced logic and memory devices, which incorporate nano-thin layers of dielectric materials in their gate dielectric stacks, are sensitive to even extremely small concentrations of electrically active defects. Conventional empirical reliability models, which heavily rely on statistical data sets, demonstrate limited capability to predict the parameters drift in these highly scaled devices ultimately leading to larger performance margins and, correspondingly, lower manufacturing yield. An alternative approach we employ is to link the structural and electrical characteristics of these multicomponent stacks to identify critical characteristics of the electrically active defects and, then, use the developed defect library to predictively model the gate stack electrical properties and their evolution under device operation conditions. This modeling scheme is implemented in the software package simulating a variety of electrical measurements.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126320539","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
32% Slew rate and 27% data rate improved 2×VDD output buffer using PVTL compensation 32%的转换率和27%的数据率提高2×VDD输出缓冲使用PVTL补偿
2014 IEEE International Conference on IC Design & Technology Pub Date : 2014-05-28 DOI: 10.1109/ICICDT.2014.6838601
Tzung-Je Lee, Kai-Wei Ruan, Chua-Chin Wang
{"title":"32% Slew rate and 27% data rate improved 2×VDD output buffer using PVTL compensation","authors":"Tzung-Je Lee, Kai-Wei Ruan, Chua-Chin Wang","doi":"10.1109/ICICDT.2014.6838601","DOIUrl":"https://doi.org/10.1109/ICICDT.2014.6838601","url":null,"abstract":"A 2×VDD Output Buffer using PVTL compensation is proposed in this paper. Beside the PVT compensation, a Leakage compensation circuit is employed. With the proposed Leakage compensation circuit, the SR (slew rate) and data rate are improved by 32% and 27%, respectively, for VDDIO = 1.8 V at the worst case. Moreover, the reliability problem caused by the unstable voltage, gate oxide overstress and hot carrier degradation is avoided. The proposed design is implemented using a typical 90 nm CMOS process. The core area is 0.425 mm × 0.0563 mm. The SR is simulated to be 1.3-3.0 V/ns. The data rate is simulated to be 454, 370, and 500 MHz for VDDIO = 1.8, 1.2, and 1.0 V, respectively.","PeriodicalId":325020,"journal":{"name":"2014 IEEE International Conference on IC Design & Technology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130823349","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
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