2018 IEEE Symposium on VLSI Technology最新文献

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Comprehensive Thermal SPICE Modeling of FinFETs and BEOL with Layout Flexibility Considering Frequency Dependent Thermal Time Constant, 3D Heat Flows, Boundary/Alloy Scattering, and Interfacial Thermal Resistance with Circuit Level Reliability Evaluation 考虑频率相关热时间常数、三维热流、边界/合金散射和界面热阻的布局柔性finfet和BEOL的综合热SPICE建模与电路级可靠性评估
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510701
Jhih-Yang Yan, Chia-Che Chung, Sun-Rong Jan, H. H. Lin, W. K. Wan, M. Yang, C. Liu
{"title":"Comprehensive Thermal SPICE Modeling of FinFETs and BEOL with Layout Flexibility Considering Frequency Dependent Thermal Time Constant, 3D Heat Flows, Boundary/Alloy Scattering, and Interfacial Thermal Resistance with Circuit Level Reliability Evaluation","authors":"Jhih-Yang Yan, Chia-Che Chung, Sun-Rong Jan, H. H. Lin, W. K. Wan, M. Yang, C. Liu","doi":"10.1109/VLSIT.2018.8510701","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510701","url":null,"abstract":"Thermal SPICE modeling with distributed R<inf>th</inf>-C<inf>th</inf> network is proposed to provide more accurate AC self-heating (SH) results than two τ<inf>c</inf> and one τ<inf>c</inf> models. The thermal time constant of the hotspot (τhotspot) in FinFETs is frequency dependent, not a constant. The severe SH by boundary/alloy scattering and interfacial thermal resistance (ITR) is included in our SPICE. The modularized components of fins, metals, and IMDs provide device and routing flexibility, without additional FEM simulation. ITR of Si<inf>80</inf>Ge<inf>20</inf>/Si<inf>1-</inf>xGe<inf>x</inf> is calculated by AMM model as the lower bound for SiGe FinFETs. The intrinsic electromigration (EM) improvement of Co interconnect (5X) is countervailed (5X→2.44X) by the increasing T<inf>metal</inf> due to the low thermal conductivity of Co. Different V2 placements on the power line of a ring oscillator (RO) are proposed to lower both the T<inf>j</inf> (FinFET) and T<inf>metal</inf>. The predicted EM MTTF of Co interconnect with the additional heat dissipation by V2 insertion is ~5.65X of W/Cu interconnect.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"54 1","pages":"113-114"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80046459","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
VLSI Technology 2018 Preface VLSI Technology 2018前言
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/vlsit.2018.8510663
{"title":"VLSI Technology 2018 Preface","authors":"","doi":"10.1109/vlsit.2018.8510663","DOIUrl":"https://doi.org/10.1109/vlsit.2018.8510663","url":null,"abstract":"","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"103 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72720551","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
Process Optimization of Perpendicular Magnetic Tunnel Junction Arrays for Last-Level Cache beyond 7 nm Node 7 nm以上节点末级高速缓存垂直磁隧道结阵列工艺优化
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510642
L. Xue, C. Ching, A. Kontos, Jaesoo Ahn, Xiaodong Wang, R. Whig, H. Tseng, J. Howarth, S. Hassan, Hao Chen, M. Bangar, S. Liang, Rongjun Wang, M. Pakala
{"title":"Process Optimization of Perpendicular Magnetic Tunnel Junction Arrays for Last-Level Cache beyond 7 nm Node","authors":"L. Xue, C. Ching, A. Kontos, Jaesoo Ahn, Xiaodong Wang, R. Whig, H. Tseng, J. Howarth, S. Hassan, Hao Chen, M. Bangar, S. Liang, Rongjun Wang, M. Pakala","doi":"10.1109/VLSIT.2018.8510642","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510642","url":null,"abstract":"This paper demonstrates systematic process optimization of perpendicular magnetic tunnel junction (pMTJ) by hardware, unit-process, and material stack design. TMR of 200% at RA 5 Ohm•µm<sup>2</sup>, H<inf>SAF</inf> ~ 8 kOe, and 10-time tunability of Hc were achieved at the film level. After patterning, 10<sup>−6</sup> write error rate was reached at 0.4 pJ, V<inf>BD</inf> was as high as 1600 mV at 20 ns pulse width, and excellent device stability against 400°C BEOL baking was demonstrated. The device performance along with the process capability to make MTJ array at 88 nm pitch provides opportunities for LLC applications.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"127 1","pages":"117-118"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90279782","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: 15
Revolutionizing Cancer Genomic Medicine by AI and Supercomputer with Big Data 利用人工智能和大数据超级计算机革新癌症基因组医学
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510699
S. Miyano
{"title":"Revolutionizing Cancer Genomic Medicine by AI and Supercomputer with Big Data","authors":"S. Miyano","doi":"10.1109/VLSIT.2018.8510699","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510699","url":null,"abstract":"We are running a cancer clinical sequence system based on whole genome/exome, RNA sequence and epigenome as research. When focused on hematology/oncology, it takes currently four days for a patient from signing informed consent (IC) to diagnosis. This process consists of IC, specimen collection, next-generation sequencer analysis, data analysis, interpretation/translation of mutations, determining the diagnosis combined with all pathological/clinical data and returning the result to the patient. Therapies are not only drugs but also hematopoietic stem cell transplantation. A pipeline Genomon for analyzing cancer genomes and RNA sequences by next-generation sequencers plays one of the key roles. It is running on the supercomputer system at Human Genome Center. The bottleneck of interpretation/translation was drastically resolved by employing IBM Watson for Genomics in harmony with our in-house human curation pipeline. We report how our system works as a conglomerate of oncologists, cancer biologists, bioinformatics experts augmented with Watson and Genomon.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"59 1","pages":"7-11"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91012251","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
First demonstration of vertically-stacked Gate-All-Around highly-strained Germanium nanowire p-FETs 垂直堆叠栅极全方位高应变锗纳米线p- fet的首次演示
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510645
E. Capogreco, L. Witters, H. Arimura, F. Sebaai, C. Porret, A. Hikavyy, R. Loo, A. Milenin, G. Eneman, P. Favia, H. Bender, K. Wostyn, E. Litta, A. Schulze, C. Vrancken, A. Opdebeeck, J. Mitard, R. Langer, F. Holsteyns, N. Waldron, K. Barla, V. De Heyn, D. Mocuta, N. Collaert
{"title":"First demonstration of vertically-stacked Gate-All-Around highly-strained Germanium nanowire p-FETs","authors":"E. Capogreco, L. Witters, H. Arimura, F. Sebaai, C. Porret, A. Hikavyy, R. Loo, A. Milenin, G. Eneman, P. Favia, H. Bender, K. Wostyn, E. Litta, A. Schulze, C. Vrancken, A. Opdebeeck, J. Mitard, R. Langer, F. Holsteyns, N. Waldron, K. Barla, V. De Heyn, D. Mocuta, N. Collaert","doi":"10.1109/VLSIT.2018.8510645","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510645","url":null,"abstract":"This paper reports on strained p-type Ge Gate-All-Around (GAA) devices on 300mm SiGe Strain-Relaxed-Buffers (SRB) with improved performance as compared to our previous work. The Q factor is increased to 25, Ion=500μA/μm at Ioff=100nA/μm is achieved, approaching the best published results on Ge finFETs. Good NBTI reliability is also maintained. By using the process flow developed for the single nanowire (NW), vertically stacked strained Ge NWs featuring 8nm channel diameter are demonstrated for the first time. A systematic analysis of the strain evolution is conducted on both single and double Ge NWs, demonstrating for the first time 1.7GPa uniaxial-stress along the Ge wire, which originates from the lattice mismatch between the Ge S/D and the Si0.3Ge0.7 SRB.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"92 6 1","pages":"193-194"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83453261","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: 11
Power-performance Trade-offs for Lateral NanoSheets on Ultra-Scaled Standard Cells 超尺度标准电池上横向纳米片的功率性能权衡
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510633
M. Bardon, Y. Sherazi, D. Jang, D. Yakimets, P. Schuddinck, R. Baert, H. Mertens, L. Mattii, B. Parvais, A. Mocuta, D. Verkest
{"title":"Power-performance Trade-offs for Lateral NanoSheets on Ultra-Scaled Standard Cells","authors":"M. Bardon, Y. Sherazi, D. Jang, D. Yakimets, P. Schuddinck, R. Baert, H. Mertens, L. Mattii, B. Parvais, A. Mocuta, D. Verkest","doi":"10.1109/VLSIT.2018.8510633","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510633","url":null,"abstract":"In this paper, the performance of standard cells scaled down to 4.5 metal tracks based on Lateral NanoSheets is investigated for 3nm technology node targets using relevant logic benchmarks and power-aware metrics. The cell layout and parasitics in 4.5T cells set strong constraints on the NanoSheets geometry. The optimized NanoSheets could still outperform FinFETs by 9 to 20% frequency depending on circuit context, reaching 3nm node targets. An extra 21% performance improvement is expected with device level boosters enablement.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"41 1","pages":"143-144"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89308073","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
Electromigration Effects in Power Grids Characterized Using an On-Chip Test Structure with Poly Heaters and Voltage Tapping Points 用带有聚加热器和电压分接点的片上测试结构表征电网中的电迁移效应
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510638
Chen Zhou, R. Wong, S. Wen, C. Kim
{"title":"Electromigration Effects in Power Grids Characterized Using an On-Chip Test Structure with Poly Heaters and Voltage Tapping Points","authors":"Chen Zhou, R. Wong, S. Wen, C. Kim","doi":"10.1109/VLSIT.2018.8510638","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510638","url":null,"abstract":"A 65nm test chip to study electromigration (EM) effects in power grids was taped-out and tested. A 9×9 grid was implemented using M3 and M4 metal layers which was stressed under constant current and constant voltage modes. On-chip poly heaters were employed to raise the die temperature to 350°C without damaging the chip package. A bank of transmission gates based on IO transistors were used to tap out the M3 and M4 voltages at each intersection point of the power grid. Using the test structure, we could observe for the first time, subtle behaviors of EM such as mechanical stress dependent failure locations and self-healing due to redundant current paths.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"17 1","pages":"19-20"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83366050","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
3D sequential stacked planar devices on 300 mm wafers featuring replacement metal gate junction-less top devices processed at 525°C with improved reliability 在300毫米晶圆上的3D顺序堆叠平面器件,具有在525°C下加工的替代金属栅无结顶部器件,提高了可靠性
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-06-01 DOI: 10.1109/VLSIT.2018.8510705
A. Vandooren, J. Franco, B. Parvais, Z. Wu, L. Witters, A. Walke, W. Li, L. Peng, V. Desphande, F. M. Bufler, N. Rassoul, G. Hellings, G. Jamieson, F. Inoue, G. Verbinnen, K. Devriendt, L. Teugels, N. Heylen, E. Vecchio, T. Zheng, E. Rosseel, W. Vanherle, A. Hikavyy, B. Chan, R. Ritzenthaler, G. Besnard, W. Schwarzenbach, G. Gaudin, I. Radu, B. Nguyen, N. Waldron, V. D. Heyn, D. Mocuta, N. Collaert
{"title":"3D sequential stacked planar devices on 300 mm wafers featuring replacement metal gate junction-less top devices processed at 525°C with improved reliability","authors":"A. Vandooren, J. Franco, B. Parvais, Z. Wu, L. Witters, A. Walke, W. Li, L. Peng, V. Desphande, F. M. Bufler, N. Rassoul, G. Hellings, G. Jamieson, F. Inoue, G. Verbinnen, K. Devriendt, L. Teugels, N. Heylen, E. Vecchio, T. Zheng, E. Rosseel, W. Vanherle, A. Hikavyy, B. Chan, R. Ritzenthaler, G. Besnard, W. Schwarzenbach, G. Gaudin, I. Radu, B. Nguyen, N. Waldron, V. D. Heyn, D. Mocuta, N. Collaert","doi":"10.1109/VLSIT.2018.8510705","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510705","url":null,"abstract":"3D sequential integration requires top MOSFETs processed at low thermal budget, which can impair the device reliability. In this work, top junction-less device are fabricated with a maximum processing temperature of 525°C. The devices feature high k /metal replacement gate and low temperature Si:P and SiGe:B 60% raised SD for NMOS and PMOS respectively. Device matching, analog and RF performance of the top tier devices are in-line with state-of-the-art Si technology processed at high temperature (>1000°C). The top Si layer is transferred on CMOS planar bulk wafers with W metal-1 interconnects, using a SiCN to SiCN direct wafer bonding.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"1 1","pages":"69-70"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84117308","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
Self-organized gate stack of Ge nanosphere/SiO2/Si1-xGex enables Ge-based monolithically-integrated electronics and photonics on Si platform Ge纳米球/SiO2/Si1-xGex的自组织栅极堆栈使基于Ge的单片集成电子和光子学在Si平台上实现
2018 IEEE Symposium on VLSI Technology Pub Date : 2018-01-01 DOI: 10.1109/VLSIT.2018.8510695
P. Liao, M. Kuo, C. Tien, Y. -. Chang, P. Hong, T. George, H. Lin, P. W. Li
{"title":"Self-organized gate stack of Ge nanosphere/SiO2/Si1-xGex enables Ge-based monolithically-integrated electronics and photonics on Si platform","authors":"P. Liao, M. Kuo, C. Tien, Y. -. Chang, P. Hong, T. George, H. Lin, P. W. Li","doi":"10.1109/VLSIT.2018.8510695","DOIUrl":"https://doi.org/10.1109/VLSIT.2018.8510695","url":null,"abstract":"We report the first-of-its-kind, self-organized gate stack of Ge nanosphere (NP) gate/SiO<inf>2</inf>/Si<inf>1-x</inf>Ge<inf>x</inf> channel fabricated in a single oxidation step. Process-controlled tunability of the Ge NP size (5–90nm), SiO<inf>2</inf> thickness (2–4nm), and Ge content (x = 0.65–0.85) and strain engineering (ε<inf>comp</inf> = 1–3%) of the Si<inf>1-x</inf>Ge<inf>x</inf> are achieved. We demonstrated Ge junctionless (JL) n-FETs and photoMOSFETs (PTs) as amplifier and photodetector, respectively, for Ge receivers. L<inf>G</inf> of 75nm JL n-FETs feature I<inf>ON</inf>/I<inf>OFF</inf> > 5×10<sup>8</sup>, I<inf>ON</inf> > 500µA/µm at V<inf>DS</inf> = 1V, T= 80K. Ge-PTs exhibit superior photoresponsivity >1,000A/W and current gain linearity ranging from nW–mW for 850nm illumination. Size-tunable photo-luminescence (PL) of 300–1600nm (NUV-NIR) are observed on 5–100nm Ge NPs. Our gate stack of Ge NP/SiO<inf>2</inf>/Si<inf>1-x</inf>Ge<inf>x</inf> enables a practically achievable building block for monolithically-integrated Ge electronic and photonic ICs (EPICs) on Si.","PeriodicalId":6561,"journal":{"name":"2018 IEEE Symposium on VLSI Technology","volume":"520 1","pages":"157-158"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77059602","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
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