ISSCC 2017
Session 24
Wireless
A 673μW 1.8-to-2.5GHz Dividerless Fractional-N Digital PLL with an Inherent Frequency-Capture Capability and a Phase-Dithering Spur Mitigation for IoT Applications
Belgium 1 2 The Internet-of-Things (IoT) is gaining momentum, and the ultra-low-power (ULP) RF transceiver is one of the key enablers. Generation of the local oscillator (LO) consumes a significant share of the total ene
ISSCC 2017
Session 24
Wireless
A Time-Interleaved Filtering-by-Aliasing Receiver Front-End with >70dB Suppression at <4×Bandwidth Frequency Offset
Programmable receiver front-ends have been a topic of enormous interest in recent years. Both N-path filtering [1,2] and charge-domain filtering [2] achieve sharp filtering but suffer from poor matching [1] or high noise
ISSCC 2017
Session 24
Wireless
A 4.5nW Wake-Up Radio with -69dBm Sensitivity
Gabriel M. Rebeiz, Drew A. Hall, Patrick P. Mercier University of California, San Diego, CA Wake-up receivers (WuRXs) are low-power radios that continuously monitor the RF environment to wake up a higher-power radio upon
ISSCC 2017
Session 24
Wireless
A 0.18V 382μW Bluetooth Low-Energy (BLE) Receiver with 1.33nW Sleep Power for Energy-Harvesting Applications in 28nm CMOS
Instituto Superior Tecnico, Universidade de Lisboa, Portugal 1 2 For true mobility, wearable electronics should be self-powered by the environment. On-body thermoelectric (~50μW/cm2) is a maturing energy source but deliv
ISSCC 2017
Session 24
Wireless
A High-Linearity CMOS Receiver Achieving +44dBm IIP3 and +13dBm B1dB for SAW-Less LTE Radio
high-linearity up-front filtering to prevent corruption of the in-band signals by strong out-of-band (OOB) signals and selfinterference from the transmitter. SAW duplexer filters are generally used for this purpose, but
ISSCC 2017
Session 24
Wireless
A 0.1-to-3.1GHz 4-Element MIMO Receiver Array Supporting Analog/RF Arbitrary Spatial Filtering
Digital receiver (RX) arrays featuring ADCs at each element enable massive multiin-multi-out (MIMO) applications, but since spatial interference rejection is absent in the RF/analog domain, RF/analog/ADC dynamic range is
ISSCC 2017
Session 24
Wireless
A 770pJ/b 0.85V 0.3mm2 DCO-Based Phase-Tracking RX Featuring Direct Demodulation and Data-Aided Carrier Tracking for IoT Applications
Johan Dijkhuis1, Robert Bogdan Staszewski2,3, Christian Bachmann1, Kathleen Philips1 Holst Centre / imec, Eindhoven, The Netherlands 2 Delft University of Technology, Delft, The Netherlands 3 University College Dublin, D
ISSCC 2017
Session 23
Memory
An 8-Channel 4.5Gb 180GB/s 18ns-Row-Latency RAM for the Last Level Cache
Chun-Peng Wu1, Chun-Kai Wang1, Chun-Wei Lo1, Li-Chin Tien1, Der-Min Yuan1, Yung-Ching Hsieh1, Jenn-Shiang Lai2, Wen-Pin Hsu2, Chien-Chih Huang2, Chi-Kang Chen2, Yung-Fa Chou2, Ding-Ming Kwai2, Zhe Wang3, Wei Wu3, Shigeki
ISSCC 2017
Session 23
Memory
A 1V 7.8mW 15.6Gb/s C-PHY Transceiver Using Tri-Level Signaling for Post-LPDDR4
smartphones and tablet PCs [1, 2]. Since mobile DRAM standard (LPDDR), for the next generation, targets the speed specification of 51.2GB/s, its I/O interface demands high bandwidth, low power and high efficiency. Single
ISSCC 2017
Session 23
Memory
A Time-Based Receiver with 2-tap DFE for a 12Gb/s/pin Single-Ended Transceiver of Mobile DRAM Interface in 0.8V 65nm CMOS
Single-ended transceivers are mostly used for DRAM interfaces to reduce pin count. A low-supply transceiver is preferred, especially for mobile DRAM interfaces, for low-power consumption while maintaining a high-speed in
ISSCC 2017
Session 23
Memory
A 0.6V 4.266Gb/s/pin LPDDR4X Interface with AutoDQS Cleaning and Write-VWM Training for Memory Controller
Kyounghoi Koo, Jongryun Choi, Yoonjee Nam, Sangsoo Park, Hyungkweon Lee, Eunsu Kim, Sukhyun Jung, Kwanyeob Chae, Suho Kim, Sanghune Park, Sanghyun Lee, Sungho Park Samsung Electronics, Hwasung, Korea Although the LPDDR4
ISSCC 2017
Session 23
Memory
A 4Gb LPDDR2 STT-MRAM with Compact 9F2 1T1MTJ Cell and Hierarchical Bitline Architecture
Jihyae Bae1, Tsuneo Inaba2, Hiromi Noro2, Hyunin Moon1, Sungwoong Chung1, Kazumasa Sunouchi2, Jinwon Park1, Kiseon Park1, Akihito Yamamoto2, Seoungju Chung1, Hyeongon Kim1, Hisato Oyamatsu2, Jonghoon Oh1 SK hynix Semicon
ISSCC 2017
Session 23
Memory
An Extremely Low-Standby-Power 3.733Gb/s/pin 2Gb LPDDR4 SDRAM for Wearable Devices
Gong-Heum Han, Hye-Ran Kim, Jong-Ho Lee, Min-Su Jang, Sung-Geun Do, Seung-Hyun Cho, Jae-Koo Park, Su-Yeon Doo, Jung-Bum Shin, Sang-Hoon Jung, Hyoung-Ju Kim, In-Ho Im, Beob-Rae Cho, Jae-Woong Lee, Jae-Youl Lee, Ki-Hun Yu,
ISSCC 2017
Session 23
Memory
A 4.8Gb/s/pin 2Gb LPDDR4 SDRAM with Sub-100μA Self-Refresh Current for IoT Applications
Mun Seon Jang, Yongsuk Joo, Seung-Hun Lee, Woo Young Lee, Eunryeong Lee, Donghee Han, Jaeyeol Kang, Jung Ho Lim, Jae-Beom Park, Kyung-Tae Kim, Sunki Cho, Sung Woo Han, Jee Yeon Keh, Jun Hyun Chun, Jonghoon Oh, Seok Hee L
ISSCC 2017
Session 23
Memory
A 5Gb/s/pin 8Gb LPDDR4X SDRAM with PowerIsolated LVSTL and Split-Die Architecture with 2-Die ZQ Calibration Scheme
Kihan Kim, Young Choi, Ho-Jun Chang, Jonghyuk Kim, Jong-Min Bang, Seungjun Shin, Hanna Park, Sujin Park, Young-Ryeol Choi, Hoon Lee, Kyong-Ho Jeon, Jae-Young Lee, Hyo-Joo Ahn, Kyoung-Ho Kim, Jung-Sik Kim, Soobong Chang,
ISSCC 2017
Session 23
Memory
An 8Gb 12Gb/s/pin GDDR5X DRAM for Cost-Effective High-Performance Applications
Cristian Chetreanu1, Stefan Dietrich1, Fabien Funfrock1, Marcos Alvarez Gonzalez1, Thomas Hein1, Eugen Huber1, Daniel Lauber1, Milena Ivanov1, Maksim Kuzmenka1, Chris Mohr2, Francisco Emiliano Munoz1, Juan Ocon Garrido1,
ISSCC 2017
Session 22
Wireless
An AC-Input Inductorless LED Driver for Visible-LightCommunication Applications with 8Mb/s Data-Rate and 6.4% Low-Frequency Flicker
Light-emitting diodes (LEDs) are becoming the dominant lighting source over their conventional counterparts. Besides the benefits of high efficiency and long lifetime, LEDs also show great potential for high-speed data t
ISSCC 2017
Session 22
Wireless
An Inductively-Coupled Wireless Power-Transfer System that is Immune to Distance and Load Variations
University of California, Los Angeles, CA Biomedical implants are often powered by an external source via an inductivelycoupled wireless power link. During actual use the distance between the external and implant coils m
ISSCC 2017
Session 22
Wireless
A Fully Integrated Counter-Flow Energy Reservoir for 70%-Efficient Peak-Power Delivery in Ultra-LowPower Systems
University of Michigan, Ann Arbor, MI Recent advances in circuits have enabled significant reduction in the size of wireless systems such as implantable biomedical devices. As a consequence, the battery integrated in the
ISSCC 2017
Session 22
Wireless
A 93%-Power-Efficiency Photovoltaic Energy Harvester with Irradiance-Aware Auto-Reconfigurable MPPT Scheme Achieving >95% MPPT Efficiency Across 650μW to 1W and 2.9ms FOCV MPPT Transient Time
With more and more functions in modern battery-powered mobile devices, enabling light-harvesting in the power management system can extend battery usage time [1]. For both indoor and outdoor operations of mobile devices,
ISSCC 2017
Session 22
Wireless
A Reconfigurable Bidirectional Wireless Power Transceiver with Maximum-Current Charging Mode and 58.6% Battery-to-Battery Efficiency
Synopsys Macau, Macau, China 3 Instituto Superior Tecnico, Universidade de Lisboa, Portugal 1 2 a And the MUX7 needs to conduct the same current as MP and MN, which will double the area and conduction loss. 2) Under the
ISSCC 2017
Session 22
Wireless
Adaptive Reconfigurable Voltage/Current-Mode Power Management with Self-Regulation for ExtendedRange Inductive Power Transmission
Wireless power transmission (WPT) via inductive coupling is used in many applications such as biomedical implants, sensors, and radio-frequency identification (RFID). Range extension, robustness against load (RL) variati
ISSCC 2017
Session 22
Wireless
A 1.7mm2 Inductorless Fully Integrated FlippingCapacitor Rectifier (FCR) for Piezoelectric Energy Harvesting with 483% Power-Extraction Enhancement
Rui P. Martins1,3 University of Macau, Macau, China Hong Kong University of Science and Technology, Hong Kong, China 3 Instituto Superior Tecnico, Universidade de Lisboa, Portugal 1 2 Energy Harvesting is crucial to the
ISSCC 2017
Session 22
Wireless
A Self-Tuning Resonant Inductive Link Transmit Driver Using Quadrature-Symmetric Phase-Switched Fractional Capacitance
University of Southampton, Southampton, United Kingdom Inductive coupling for power transfer is increasingly popular in many applications such as RFID and wireless charging. While much recent work has focussed on receive
ISSCC 2017
Session 21
Digital Processors
An Actively Detuned Wireless Power Receiver with Public Key Cryptographic Authentication and Dynamic Power Allocation
they replace Point-Doubling with an essentially free Frobenius Endomorphism [7]. Efficient micro-coding and a Serial Input Parallel Output (SIPO) finite field multiplier ensure that only 2 additional registers (t, z) are
ISSCC 2017
Session 21
Digital Processors
2pJ/MAC 14b 8×8 Linear Transform Mixed-Signal Spatial Filter in 65nm CMOS with 84dB Interference Suppression
machine learning (ML) and the internet-of-things (IoT) have resulted in a renewed interest in analog matrix-vector multiplication (MvM) accelerators [1-3]. Classification based tasks have exploited low-to-medium resoluti
ISSCC 2017
Session 21
Digital Processors
A 12nW Always-On Acoustic Sensing and Object Recognition Microsystem Using Frequency-Domain Feature Extraction and SVM Classification
increasingly intelligent and context-aware. Sound is an attractive sensory modality because it is information-rich but not as computationally demanding as alternatives such as vision. New applications of ultra-low power
ISSCC 2017
Session 21
Digital Processors
A 3-to-5V Input 100Vpp Output 57.7mW 0.42% THD+N Highly Integrated Piezoelectric Actuator Driver
Piezoelectric actuators are used in a growing range of applications, e.g., haptic feedback systems, cooling fans, and microrobots. However, to fully realize their potential, these actuators require drivers able to effici
ISSCC 2017
Session 21
Digital Processors
A Reduced-Order Sliding-Mode Controller with an Auxiliary PLL Frequency Discriminator for Ultrasonic Electric Scalpels
Intel, Hillsboro, OR 1 2 Piezoelectric transducer (PT) is an emerging energy-based technology for electrosurgery. With proper driving signals, the PT is utilized as an electric scalpel as shown in Fig. 21.4.1. It convert
ISSCC 2017
Session 21
Digital Processors
A Sub-mm3 Wireless Implantable Intraocular Pressure Monitor Microsystem
intraocular pressure (IOP) in the anterior chamber of the eye can damage the optic nerve causing irreversible blindness [1]. An IOP monitoring microsystem (IMM) implanted in the interior chamber of the eye is required to
ISSCC 2017
Session 21
Digital Processors
A 1.4mΩ-Sensitivity 94dB-Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub SoC for 3D Lung Ventilation Monitoring System
ventilation because it is the only real-time lung imaging method without large equipment [1-2]. However, previous EIT systems just provided 2D cross-sectional image with limited spatial information of the lung and unnegl
ISSCC 2017
Session 21
Digital Processors
Nanowatt Circuit Interface to Whole-Cell Bacterial Sensors
emerging as a platform for small molecule detection in challenging environments [1]. A key barrier to widespread deployment of autonomous bacterial sensors is the detection of low-level bioluminescence, which is typicall
ISSCC 2017
Session 20
Digital Circuits
A 13.8µW Binaural Dual-Microphone Digital ANSI S1.11 Filter Bank for Hearing Aids with Zero-ShortCircuit-Current Logic in 65nm CMOS
This paper presents an ANSI S1.11 1/3-octave filter-bank chip for binaural hearing aids with two microphones per ear. Binaural multimicrophone systems significantly suppress noise interference and preserve interaural tim
ISSCC 2017
Session 20
Digital Circuits
A 0.5V-VIN 1.44mA-Class Event-Driven Digital LDO with a Fully Integrated 100pF Output Capacitor
SK hynix, Icheon, Korea 1 2 In today’s system-on-chip designs, a low-drop-out voltage regulator (LDO) is one of the most popular choices to create a distinct voltage domain owing to its high power density. Many LDOs, how
ISSCC 2017
Session 20
Digital Circuits
A Dual-Symmetrical-Output Switched-Capacitor Converter with Dynamic Power Cells and Minimized Cross Regulation for Application Processors in 28nm CMOS of the regulation loop is much faster than that of power-cell allocation, stability is ensured. Each power cell consists of 2 flying capacitors and 8 power transistors and the VCR can be 2/3× or 1/2×. The configuration of each power cell is optimized to minimize the parasitic loss [6]. The channel selection switches, controlled by sel[n], connect the local output VOL to VO1 or VO2.
and the power-cell shift register. First, the one-shot signals (ck1os and ck2os) control P1 and P2 to charge CC1 and CC2 for one clock period only. The ready signals (ready1 and ready2) are activated after charging is fi
ISSCC 2017
Session 20
Digital Circuits
An Output-Capacitor-Free Analog-Assisted Digital Low-Dropout Regulator with Tri-Loop Control
now with South China University of Technology, Guangzhou, China 2 Synopsys Macau Ltd, Macao, China Instituto Superior Tecnico, Universidade de Lisboa, Portugal 3 4 Low-dropout regulators (LDOs) are widely distributed in
ISSCC 2017
Session 20
Digital Circuits
A 100nA-to-2mA Successive-Approximation Digital LDO with PD Compensation and Sub-LSB Duty Control Achieving a 15.1ns Response Time at 0.5V
Modern subthreshold SoC designs feature multiple power domains to dynamically track the maximum energy-efficiency point (0.32-0.45V [1]) in response to application demands. While analog low-drop-out (LDO) regulators have
ISSCC 2017
Session 20
Digital Circuits
Digital Low-Dropout Regulator with Anti PVT-Variation Technique for Dynamic Voltage Scaling and Adaptive Voltage Scaling Multicore Processor
processors have been widely used in battery-operated portable systems, desktop, and server applications, where dynamic voltage scaling (DVS) and adaptive voltage scaling (AVS) techniques are commonly employed to lower po
ISSCC 2017
Session 20
Digital Circuits
A Digitally Controlled Fully Integrated Voltage Regulator with On-Die Solenoid Inductor with Planar Magnetic Core in 14nm Tri-Gate CMOS
efficient and widerange local power delivery and management capability with fast transient response for fine-grain DVFS domains of high power density in complex SoCs. Integration of high-quality power inductors that can
ISSCC 2017
Session 2
Power Management
A Class-G Voltage-Mode Doherty Power Amplifier
In modern communication, wideband and high-spectral-efficiency modulation results in high peak-to-average power ratio (PAPR), up to 8 to 10dB. Well-known PA-efficiency-enhancement techniques, such as Doherty and outphasi
ISSCC 2017
Session 2
Power Management
A Wideband 28GHz Power Amplifier Supporting 8×100MHz Carrier Aggregation for 5G in 40nm CMOS
racing to deploy fifth generation (5G) mm-wave technology, e.g., rollout of some 28GHz-band services is intended in 2017 in the USA with ~5/1Gb/s downlink/uplink targets. Even with 64-QAM signaling, this translates to an
ISSCC 2017
Session 2
Power Management
A SiGe BiCMOS E-Band Power Amplifier with 22% PAE at 18dBm OP1dB and 8.5% at 6dB Back-Off Leveraging Current Clamping in a Common-Base Stage
now with HiSilicon-Technologies, Milan, Italy 2 Several spectrum portions at mm-waves are considered for Gb/s data-rates in 5G cellular wireless backhaul and access networks, further motivating innovation in circuits and
ISSCC 2017
Session 2
Power Management
A High-Efficiency Multiband Class-F Power Amplifier in 0.153μm Bulk CMOS for WCDMA/LTE Applications
Solti Peng, Jing Li, Wenchang Lee, Narayanan Baskaran, Caiyi Wang Although the Class-F operation and the HVMOS improve reliability significantly, real-time voltage-stress monitoring (VSM) is implemented on each of the ou
ISSCC 2017
Session 2
Power Management
A 2.4V 23.9dBm 35.7%-PAE -32.1dBc-ACLR LTE20MHz Envelope-Shaping-and-Tracking System with a Multiloop-Controlled AC-Coupling Supply Modulator and a Mode-Switching PA
the efficiency of the power amplifiers (PAs) due to high peak-to-average power ratios of transmitted signals. Envelope tracking (ET) and envelope-eliminationand-restoration (EER) techniques have been proposed to improve
ISSCC 2017
Session 2
Power Management
A Single-Inductor Dual-Output Converter with LinearAmplifier-Driven Cross Regulation for Prioritized Energy-Distribution Control of Envelope-Tracking Supply Modulator
mobile devices handle modulated signals with high peak-toaverage power ratios (PAPRs) while maintaining linearity and power efficiency. Envelope-tracking technology increases the efficiency of an RF-PA by modulating its
ISSCC 2017
Session 2
Power Management
A Fully Integrated Reconfigurable Wideband Envelope-Tracking SoC for High-Bandwidth WLAN Applications in a 28nm CMOS Technology
Envelope tracking (ET) has become popular for enhancing battery life in mobile communication devices that employ high peak-to-average power ratio (PAPR) signals. Most of the published ET systems have focused either on na
ISSCC 2017
Session 2
Power Management
A 28GHz/37GHz/39GHz Multiband Linear Doherty Power Amplifier for 5G Massive MIMO Applications
Millimeter-wave fifth-generation (5G) systems will extensively leverage massive multiple-input multiple-output (MIMO) architectures to improve their link performance. These array systems will employ many power amplifiers
ISSCC 2017
Session 19
Clocking & PLLs
A 0.2V Trifilar-Coil DCO with DC-DC Converter in
Resolution, and Frequency Pushing of 38MHz/V for Energy Harvesting Applications QTrifialr=Im(ZTotal)/Re(ZTotal). The total QTrifilar is a combination of Q-factors of the three coils. Two thick metals and one ultra-thick
ISSCC 2017
Session 19
Clocking & PLLs
A 2.4GHz RF Fractional-N Synthesizer with 0.25fREF BW
The loop bandwidth of conventional RF fractional-N synthesizers has been limited to about fREF/10 despite the use of methods that suppress the ΔΣ-modulator quantization noise [1-4]. The trade-off between the loop bandwid
ISSCC 2017
Session 19
Clocking & PLLs
A 0.0049mm2 2.3GHz Sub-Sampling Ring-Oscillator PLL with Time-Based Loop Filter Achieving -236.2dB Jitter-FOM
High-performance phase-locked loops (PLLs) and clock multipliers with low jitter/phase noise are essential for numerous applications, such as digital microprocessors and SoCs, wireline/optical links, data converters and