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2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)最新文献

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A compact 446 Gbps/W AES accelerator for mobile SoC and IoT in 40nm 紧凑型446 Gbps/W AES加速器,适用于40nm的移动SoC和物联网
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573553
Yiqun Zhang, Kaiyuan Yang, Mehdi Saligane, D. Blaauw, D. Sylvester
An AES hardware accelerator targeting energy efficient, low cost mobile and IoT applications is fabricated in 40nm CMOS. The proposed design eliminates the ShiftRow stage in conventional AES implementations and replaces flip-flops in data and key storage with latches using re-timing, saving 25% area and 69% power. Along with a 2-stage Sbox in native GF(24)2 composite-field computation and glitch reduction techniques, this results in a compact 2228 gate design achieving 446 Gbps/W and 46.2 Mbps throughput at 0.47V.
针对节能、低成本移动和物联网应用的AES硬件加速器采用40nm CMOS制造。提出的设计消除了传统AES实现中的ShiftRow级,并使用重新定时的锁存器取代了数据和密钥存储中的触发器,节省了25%的面积和69%的功耗。加上原生GF(24)2复合场计算和故障减少技术中的2级Sbox,这使得紧凑的2228栅极设计在0.47V下实现了446 Gbps/W和46.2 Mbps的吞吐量。
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引用次数: 34
Multi-modal smart bio-sensing SoC platform with >80dB SNR 35µA PPG RX chain 多模态智能生物传感SoC平台,具有>80dB信噪比35µA PPG RX链
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573488
Ajit Sharma, Seung Bae Lee, Arup Polley, Sriram Narayanan, Wen Li, T. Sculley, S. Ramaswamy
A multi-modal analog front end (AFE) and ultra-low energy bio-sensing CMOS SoC is presented. System/ circuit techniques enable signal path duty cycles as low as sub-1% and result in a 35μA Photo Plethysmography (PPG) RX Chain - 5X lower than published state of the art - while maintaining overall SNR > 80dBFS. The signal chain is adaptively synchronized by an ultra-low power FSM and includes a 1.3μW 14b 1kSPS SAR A/D. Input signal-aware, real-time data path adaptation is achieved by leveraging on-the-fly algorithms running on an external microcontroller (μC) to further reduce system energy. A programmable, asynchronous capacitive reset amplifier (PARCA) with NEF of 4.8 and dx/dt analog feature extractor demonstrate energy efficient ECG capture. A battery-powered, Bluetooth low energy (BLE) based, wearable platform with simultaneous ECG and PPG acquisition using this AFE has been demonstrated.
提出了一种多模态模拟前端(AFE)和超低能量生物传感CMOS SoC。系统/电路技术使信号通路占空比低至低于1%,并产生35μA的光容积脉搏波(PPG) RX链-比目前公布的状态低5倍-同时保持总体信噪比> 80dBFS。信号链由超低功耗FSM自适应同步,包括1.3μW 14b 1kSPS SAR a /D。通过利用运行在外部微控制器(μC)上的动态算法来实现输入信号感知,实时数据路径自适应,以进一步降低系统能量。NEF为4.8的可编程异步电容复位放大器(PARCA)和dx/dt模拟特征提取器演示了高能效的心电捕获。一个基于电池供电、蓝牙低功耗(BLE)的可穿戴平台,使用该AFE同时进行ECG和PPG采集。
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引用次数: 16
A reconfigurable SIMO system with 10-output dual-bus DC-DC converter using the load balancing function in group allocator for diversified load condition 一种具有10输出双母线DC-DC变换器的可重构SIMO系统,该系统利用分组分配器的负载均衡功能来适应多种负载情况
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573477
Se-un Shin, Min-Yong Jung, Kiduk Kim, Sang-Hui Park, Yeunhee Huh, Changsik Shin, Se-Hong Park, Jun-Suk Bang, Jong-Beom Baek, Sung-Won Choi, Yong-Min Ju, G. Cho
This paper presents a reconfigurable SIMO system with 10-output dual-bus DC-DC converter having two buses for heavy and light load outputs, respectively. The converter controls the load condition for each bus to be well balanced. Under diversified load condition, a group allocator assigns each output to the corresponding bus properly depending on its load current. Due to such load balancing function, severe regulation issues which could occur under diversified load condition are resolved with output voltage ripples below 25mV, and over 81% efficiency is achieved under wide range of load (0-300mA).
本文提出了一种可重构的SIMO系统,该系统具有10输出双母线DC-DC变换器,具有两条母线分别用于重负载和轻负载输出。转换器控制各母线的负载状态,使其达到良好的平衡。在多种负载条件下,分组分配器根据各输出的负载电流,将各输出适当地分配到相应的母线上。由于这种负载均衡功能,解决了在多种负载条件下可能出现的严重调节问题,输出电压波动低于25mV,在宽负载范围(0-300mA)下效率超过81%。
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引用次数: 2
A 0.9um2 1T1R bit cell in 14nm SoC process for metal-fuse OTP array with hierarchical bitline, bit level redundancy, and power gating 基于分层位线、位级冗余和功率门控的金属熔丝OTP阵列的14nm制程0.9um2 1T1R位单元
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573506
Zhanping Chen, S. Kulkarni, V. Dorgan, U. Bhattacharya, Kevin Zhang
This work introduces the first high-volume manufacturable (HVM) metal-fuse technology in a 14nm tri-gate high-k metal-gate CMOS process. A high-density array featuring a 0.9μm2 1T1R bit cell and bit level redundancy is presented. An array efficiency of 50% is achieved with hierarchical bit line design to separate fuse programming from read/sense. A power gating scheme is adopted to reduce leakage current consumption and reduce high voltage exposure for reliability. Program conditions can be optimized for HVM and in-field programming (IFP) to achieve close to 100% bit level yield.
这项工作在14nm三栅极高k金属栅极CMOS工艺中引入了第一个大批量可制造(HVM)金属保险丝技术。提出了一种具有0.9μm2 1T1R位单元和位级冗余的高密度阵列。采用分层位线设计将熔丝编程与读/感分开,阵列效率可达50%。采用功率门控方案,降低漏电流消耗,降低高压暴露,提高可靠性。程序条件可以针对HVM和现场编程(IFP)进行优化,以实现接近100%的比特级产量。
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引用次数: 2
Full chip integration of 3-d cross-point ReRAM with leakage-compensating write driver and disturbance-aware sense amplifier 具有泄漏补偿写入驱动器和干扰感知放大器的三维交叉点ReRAM全芯片集成
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573503
Sangheon Lee, Jeonghwan Song, Chang-Gyeong Seong, J. Woo, Jong-Moon Choi, Soon-Chan Kwon, Hojoon Kim, Hyun-Suk Kang, S. Kim, Hoe Gwon Jung, K. Kwon, H. Hwang
In this report, a fully integrated 3-D cross-point ReRAM is demonstrated with minimized disturbance and sneak current effect. HfOX memory cells stacked on threshold-type selector exhibit superb leakage current suppression than cells with exponential selector. Remaining leakage current is diagnosed and compensated by leakage compensating write driver. Cells are prevented from disturbance by lowering read voltage at hot temperature, which sacrifices read margin. The read margin is recovered by cell current amplifier in read circuit.
在本报告中,展示了一个完全集成的三维交叉点ReRAM,具有最小的干扰和潜流效应。堆叠在阈值型选择器上的HfOX存储单元比具有指数选择器的存储单元具有更好的漏电流抑制能力。剩余泄漏电流由泄漏补偿写入驱动器进行诊断和补偿。通过降低高温下的读取电压来防止电池受到干扰,从而牺牲了读取余量。在读电路中通过单元电流放大器恢复读余量。
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引用次数: 7
A 220pJ/pixel/frame CMOS image sensor with partial settling readout architecture 一种220pJ/像素/帧CMOS图像传感器,具有部分沉降读出结构
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573545
Suyao Ji, Jing Pu, Byongchan Lim, M. Horowitz
To reduce power consumption in a CMOS imager readout path, we use partial settling of the column values into a SAR-ADC, creating a 320H×240V prototype sensor with two column-shared 10-bit ADCs, which consumes 2.2mW at 130 fps. The measured INL and DNL with a third order correction of partial settling behavior is +1.855LSB/-1.855LSB and +0.337LSB/-0.179LSB, respectively. The input referred readout noise is 5e- with a conversion gain of 90uV/e-.
为了降低CMOS成像仪读出路径的功耗,我们将列值部分定位到SAR-ADC中,创建了一个320H×240V原型传感器,该传感器具有两个列共享10位adc,以130 fps的速度消耗2.2mW。经过部分沉降行为三阶修正后的实测INL和DNL分别为+1.855LSB/-1.855LSB和+ 0.37 lsb /-0.179LSB。输入参考读出噪声为5e-,转换增益为90uV/e-。
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引用次数: 9
A 6.05-Mb/mm2 16-nm FinFET double pumping 1W1R 2-port SRAM with 313 ps read access time 6.05 mb /mm2 16纳米FinFET双泵浦1W1R 2端口SRAM,读取访问时间为313 ps
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573460
M. Yabuuchi, Yohei Sawada, T. Sano, Y. Ishii, S. Tanaka, Miki Tanaka, K. Nii
High-density and low-leakage 1W1R 2-port (2P) SRAM is realized by 6T 1-port SRAM bitcell with double pumping internal clock in 16 nm FinFET technology. Proposed clock generator with address latch circuit enables robust timing design without sever setup/hold margin. We designed a 256 kb 1W1R 2P SRAM macro which achieves the highest density of 6.05 Mb/mm2. Measured data shows that a 313 ps of read-access-time is observed at 0.8 V. Standby leakage power in resume standby (RS) mode is reduced by 79% compared to the conventional dual-port SRAM without RS.
采用16nm FinFET技术,采用双泵浦内部时钟的6T 1端口SRAM位单元实现高密度低漏1W1R 2端口SRAM (2P)。提出了带地址锁存电路的时钟发生器,实现了鲁棒的时序设计,无需设置/保持余量。我们设计了一个256 kb的1w1r2p SRAM宏,实现了6.05 Mb/mm2的最高密度。测量数据表明,在0.8 V时观察到313 ps的读访问时间。与传统的双端口SRAM相比,恢复待机(RS)模式下的待机泄漏功率降低了79%。
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引用次数: 7
A BJT-based temperature-to-digital converter with ±60mK (3σ) inaccuracy from −70°C to 125°C in 160nm CMOS 基于bjt的温度-数字转换器,在- 70°C到125°C范围内误差为±60mK (3σ)
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573531
B. Yousefzadeh, S. H. Shalmany, K. Makinwa
This paper presents the most accurate BJT-based CMOS temperature-to-digital converter (TDC) ever reported, with an inaccuracy of ±60mK (3σ) from -70°C to 125°C. This is 2× better than the state-of-the-art, despite being implemented in a process (160nm) that only offers low-βF (<;5) PNPs. It is also the most energy-efficient ever reported, with a resolution FOM of 7.3pJ°C2. This level of performance is achieved by an improved βF-compensation scheme, the use of dynamic error correction techniques to suppress non-BJT related errors and the use of an energy-efficient zoom-ADC based on current-reuse OTAs. These techniques also result in very low power-supply sensitivity (12mK/V), thus maintaining TDC accuracy for supply voltages ranging from 1.5V to 2V.
本文介绍了迄今为止报道的最精确的基于bjt的CMOS温度-数字转换器(TDC),在-70°C至125°C范围内的误差为±60mK (3σ)。这比最先进的技术好2倍,尽管在工艺(160nm)中实现,只能提供低β f(2)。这种水平的性能是通过改进的β f补偿方案,使用动态误差校正技术来抑制非bjt相关的误差,以及使用基于电流重用ota的节能变焦adc来实现的。这些技术还导致非常低的电源灵敏度(12mK/V),从而在1.5V至2V的电源电压范围内保持TDC精度。
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引用次数: 25
A 23mW 24GS/s 6b Time-interleaved hybrid two-step ADC in 28nm CMOS 基于28nm CMOS的23mW 24GS/s 6b时间交错混合两步ADC
Pub Date : 2016-06-15 DOI: 10.1109/VLSIC.2016.7573535
Benwei Xu, Yuan Zhou, Y. Chiu
We present a power- and area-efficient 24GS/s, 6b, 16-way time-interleaved (TI) ADC array, featuring a voltage-time (v/t) hybrid two-step structure for high-speed and low-power operation, a crosstalk-free SAR DAC topology and a non-hierarchical sampling frontend obviating reference and input buffers, respectively, for power and area savings. Background timing-skew calibration via dithering a reference ADC is also reported. Fabricated in 28nm CMOS, the prototype ADC array consumes 23mW at 24GS/s and measures an SNDR/SFDR of 35/54dB for a low-frequency input and 29/41dB for a Nyquist input, respectively. The core area of the ADC is 0.03mm2.
我们提出了一种功率和面积效率高的24GS/s, 6b, 16路时间交错(TI) ADC阵列,具有用于高速和低功耗工作的电压时间(v/t)混合两步结构,无串扰SAR DAC拓扑和非分层采样前端,分别避免参考和输入缓冲器,以节省功率和面积。还报道了参考ADC通过抖动进行背景时偏校准。原型ADC阵列采用28nm CMOS制造,在24GS/s下功耗为23mW,低频输入的SNDR/SFDR分别为35/54dB, Nyquist输入的SNDR/SFDR为29/41dB。ADC的核心面积为0.03mm2。
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引用次数: 16
An FPGA-accelerated partial image matching engine for massive media data searching systems 面向海量媒体数据搜索系统的fpga加速部分图像匹配引擎
Pub Date : 2016-06-01 DOI: 10.1109/VLSIC.2016.7573489
Takashi Shimizu, Y. Tomita, Hidetoshi Matsumura, Masahiko Sugimura, Hironobu Yamasaki, David Thach, T. Miyoshi, Takayuki Baba, Yasuhiro Watanabe, A. Ike
We propose and demonstrate an FPGA-accelerated partial-image-matching engine for massive media-data searching systems. To take advantage of FPGA, a highly parallelized and pipelined architecture with an application-specific calculation was adopted. Our prototype system achieves 32 times better runtime performance than a CPU-based solution.
我们提出并演示了一个fpga加速的部分图像匹配引擎,用于海量媒体数据搜索系统。为了充分利用FPGA的优势,采用了一种高度并行化和流水线化的架构,并针对具体应用进行了计算。我们的原型系统实现了比基于cpu的解决方案好32倍的运行时性能。
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引用次数: 1
期刊
2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)
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