ISSCC 2022
Session 16
Digital Circuits
An Optimal Digital Beamformer for mm-Wave Phased Arrays with 660MHz Instantaneous Bandwidth in 28nm CMOS
University of Washington, Seattle, WA Ever-increasing global demand for communication bandwidth is incentivizing broader use of the millimeter wave (mm-Wave) frequency band which operates with carrier frequencies exceedi
ISSCC 2022
Session 17
Wireline I/O
A 4.6pJ/b 200Gb/s Analog DP-QPSK Coherent Optical Receiver in 28nm CMOS
cloud computing, have significantly driven the requirement for high transmission data rates. Polarization diversity coherent detection is an indispensable technique for realizing high-capacity transmission owing to its e
ISSCC 2022
Session 17
Wireline I/O
A 2.4pJ/b 100Gb/s 3D-Integrated PAM-4 Optical Transmitter with Segmented SiP MOSCAP Modulators and a 2-Channel 28nm CMOS Driver
David J. Thomson2, Martin Ebert2, Li Ke2, Graham T. Reed2, Azita Emami1 California Institute of Technology, Pasadena, CA University of Southampton, Southampton, United Kingdom 1 2 Data centers continue to require interco
ISSCC 2022
Session 17
Wireline I/O
A 10Gb/s Digital Isolator Using Coupled Split-Ring Resonators with 24kVpk Surge Capability and 100kV/µS Common-Mode Transient Immunity
High speed data links play a key role in industrial and medical systems. Galvanic isolation in high-speed links ensures the safety of human operators and instruments. Optoisolators generally achieve high voltage ratings
ISSCC 2022
Session 17
Wireline I/O
A 56GHz 23mW Fractional-N PLL with 110fs Jitter
PAM-4 wireline transmitters operating at 224Gb/s can employ a 56GHz PLL for multiplexing. Such an environment poses several constraints on the design. First, the PLL rms jitter must be no more than a few percent of the s
ISSCC 2022
Session 17
Wireline I/O
A 480-Multiplication-Factor 13.2-to-17.3GHz Sub-Sampling PLL Achieving 6.6mW Power and -248.1dB FoM Using a Proportionally Divided Charge Pump
Beyond-10GHz frequency synthesizers are ubiquitous building blocks for today’s evergrowing wireless and wireline communication systems. To meet the stringent requirements on data-rate and modulation schemes, the phase no
ISSCC 2022
Session 17
Wireline I/O
A 9b-Linear 14GHz Integrating-Mode Phase Interpolator in 5nm FinFET Process
MaxLinear, Carlsbad, CA 1 2 Increased data-rates and multi-lane SerDes implementations impose stringent conditions for CDRs to produce low-jitter clocking that is capable of managing frequency and phase offsets. Conseque
ISSCC 2022
Session 18
Power Management
A 1.23W/mm2 83.7%-Efficiency 400MHz 6-Phase Fully Integrated Buck Converter in 28nm CMOS with On-Chip Capacitor Dynamic Re-Allocation for Inter-Inductor Current Balancing and Fast DVS of 75mV/ns
processors, a high-frequency and multi-phase (MP) integrated voltage regulator (IVR) using multiple inductors would be an ideal solution to deliver optimized power with rapid dynamic voltage scaling (DVS) [1-5]. Neverthe
ISSCC 2022
Session 18
Power Management
A 12V/24V-to-1V DSD Power Converter with 56mV Droop and 0.9µs 1% Settling Time for a 3A/20ns Load Transient
12V/24V-to-1V power converters with high efficiency and fast transient responses are highly desirable in industrial and automotive applications. Double step-down (DSD, also known as series-capacitor) converters are among
ISSCC 2022
Session 18
Power Management
A 4A 12-to-1 Flying Capacitor Cross-Connected DC-DC Converter with Inserted D>0.5 Control Achieving >2× Transient Inductor Current Slew Rate and 0.73× Theoretical Minimum Output Undershoot of DSD
University of Lisboa, Lisbon, Portugal 1 2 Automotive and industrial applications require a high-efficiency DC-DC converter to directly convert power from the 12V intermediate bus to a low-voltage point-of-load (PoL). Th
ISSCC 2022
Session 18
Power Management
A Monolithic 3:1 Resonant Dickson Converter with Variable Regulation and Magnetic-Based Zero-Current Detection and Autotuning
In the last decade, hybrid and resonant switched-capacitor (SC) converters have gone from a relatively unexplored concept to one that is gaining widespread adoption in a range of applications [1]. However, despite capabi
ISSCC 2022
Session 18
Power Management
A 5V Input 98.4% Peak Efficiency Reconfigurable CapacitiveSigma Converter with Greater than 90% Peak Efficiency for the Entire 0.4~1.2V Output Range
computing cores with a wide-range sub-volt rail, the energy-efficient high and wide voltageconversion-ratio (VCR) converters are crucially important. In addition, low form factor and decent transient responses are also f
ISSCC 2022
Session 18
Power Management
A 2−5MHz Multiple DC Output Hybrid Boost Converter with Scalable CR Boosting Scheme Achieving 91% Efficiency at a Conversion Ratio of 12
High conversion-ratio (CR) DC-DC boost converters are essential for LED backlighting in smartphone and tablet displays. For realizing a high CR, a conventional boost (CB) converter [1] shown in Fig. 18.7.1 would use a la
ISSCC 2022
Session 18
Power Management
A Battery-Input Sub-1V Output 92.9% Peak Efficiency 0.3A/mm2 Current Density Hybrid SC-Parallel-Inductor Buck Converter with Reduced Inductor Current in 65nm CMOS
University of Lisboa, Lisbon, Portugal 1 2 The profile of portable and wearable devices keeps shrinking, demanding high current density power management integrated circuits. Switched-capacitor (SC) converters and buck co
ISSCC 2022
Session 19
Power Management
A 110-to-130GHz SiGe BiCMOS Doherty Power Amplifier with Slotline-Based Power-Combining Technique Achieving >22dBm Saturated Output Power and >10% Power Back-Off Efficiency
data-rates in wireless communications has driven the rapid development of silicon-based transceivers in the mm-wave and sub-THz bands. The broad available spectrum in D-band (110 to 170GHz) is attracting interest for sho
ISSCC 2022
Session 19
Power Management
A 1V 32.1dBm 92-to-102GHz Power Amplifier with a Scalable 128-to-1 Power Combiner Achieving 15% Peak PAE in a 65nm Bulk CMOS Process
increase of the speed and data-rate achieved by 5G. A major challenge in 6G is to provide a large transmitter output power (Pout) with high energy efficiency and linearity from a limited supply voltage to overcome high p
ISSCC 2022
Session 19
AI / ML
A 28GHz Compact 3-Way Transformer-Based Parallel-Series Doherty Power Amplifier with 20.4%/14.2% PAE at 6-/12-dB Power Back-Off and 25.5dBm PSAT in 55nm Bulk CMOS
University of Electronic Science and Technology of China, Chengdu, China 1 2 The 28GHz band for fifth-generation (5G) millimeter-wave wireless communication supporting high-order QAM, OFDM, and carrier aggregation (CA) r
ISSCC 2022
Session 19
Power Management
A 26-to-39GHz Broadband Ultra-Compact High-Linearity Switchless Hybrid N/PMOS Bi-Directional PA/LNA Front-End for Multi-Band 5G Large-Scaled MIMO System
ETH Zurich, Zurich, Switzerland 1 2 The continuous growth of data-rates has stimulated the rapid development of 5G New Radio (NR) in the mm-wave FR2 bands (above 24GHz). Consequently, to compensate for the mm-wave high p
ISSCC 2022
Session 19
Power Management
A Broadband Mm-Wave VSWR-Resilient Joint True-Power Detector and Impedance Sensor Supporting Single-Ended Antenna Interfaces
ETH Zurich, Zurich, Switzerland 1 2 Mm-wave 5G communication seeks to support multi-Gb/s data-rates over its large available spectrum, particularly in the K/Ka bands (24 to 40GHz). To ensure sufficient link budget under
ISSCC 2022
Session 19
Power Management
A 1-to-18GHz Distributed-Stacked-Complementary TripleBalanced Passive Mixer With up to 33dBm IIP3 and Integrated LO Driver in 45nm CMOS SOI
transceiver systems, shown in Fig. 19.7.1, offer flexibility for multiband, multi-user, and joint communication-and-sensing platforms. However, wideband MIMO applications increase the number of desired or interfering sig
ISSCC 2022
Session 2
Digital Processors
Ponte Vecchio: A Multi-Tile 3D Stacked Processor for Exascale Computing
Srikrishnan Venkataraman4, Chris Pelto1, Tejas Shah5, Amreesh Rao2, Frank O’Mahony1, Eric Karl1, Lance Cheney2, Iqbal Rajwani2, Hemant Jain4, Ryan Cortez2, Arun Chandrasekhar4, Basavaraj Kanthi4, Raja Koduri6 Intel, Port
ISSCC 2022
Session 2
Digital Processors
Sapphire Rapids: The Next-Generation Intel Xeon Scalable Processor
Sitaraman V. Iyer2, Zibing Yang1, Oscar Mendoza1, Mark Huddart1, Srikrishnan Venkataraman3, Sireesha Kandula1, Rafi Marom4, Alexandra M. Kern1, Bill Bowhill1, David R. Mulvihill5, Srikanth Nimmagadda3, Varma Kalidindi1,
ISSCC 2022
Session 2
Digital Processors
IBM Telum: A 16-Core 5+ GHz DCM
Thomas Strach2, Di Phan1, Cedric Lichtenau2, Alper Buyuktosunoglu3, Hubert Harrer2, Jeffrey Zitz1, Chad Marquart1, Douglas Malone1, Tobias Webel2, Adam Jatkowski1, John Isakson4, Dina Hamid1, Mark Cichanowski4, Michael R
ISSCC 2022
Session 2
Digital Processors
POWER10TM: A 16-Core SMT8 Server Processor with 2TB/s Off-Chip Bandwidth in 7nm Technology
Andrew Bianchi3, Daniel Dreps3, David Wolpert4, Eric Lai3, Gerald Strevig3, Glen Wiedemeier3, Philipp Salz5, Ryan Kruse3 IBM, Bengaluru, India; 2IBM, Yorktown Heights, NY; 3IBM, Austin, TX IBM, Poughkeepsie, NY; 5IBM, Bo
ISSCC 2022
Session 2
Digital Processors
A 5nm 3.4GHz Tri-Gear ARMv9 CPU Subsystem in a Fully Integrated 5G Flagship Mobile SoC
Anand Rajagopalan1, Gordon Gammie1, Ramu Madhavaram1, Madhur Jagota1, CJ Chung1, Jenny Wiedemeier1, Bala Meera1, Chao-Yang Yeh2, Maverick Lin2, Curtis Lin2, Vincent Lin2, Jiun Lin2, YS Chen2, Barry Chen2, Cheng-Yuh Wu2,
ISSCC 2022
Session 2
Digital Processors
A 16nm 785GMACs/J 784-Core Digital Signal Processor Array
amount of dark silicon area in power-limited SoCs makes it attractive to consider reconfigurable architectures that could intelligently repurpose dark silicon. FPGAs are more efficient than CPUs, but lack temporal dynami
ISSCC 2022
Session 2
Digital Processors
Zen3: The AMD 2nd-Generation 7nm x86-64 Microprocessor Core
Michael McCabe1, Timothy Johnson1, James Vinh1, Thomas Yiu1, Mark Wasio1, Hon-Hin Wong1, Daryl Lieu1, Jonathan White2, Benjamin Munger2, Joshua Lindner2, Javin Olson2, Steven Bakke2, Jeshuah Sniderman2, Carson Henrion3,
ISSCC 2022
Session 20
RF & Wireless
A 0.5mΩ/√Hz 106dB SNR 0.45cm2 Dry-Electrode Bioimpedance Interface with Current Mismatch Cancellation and Boosted Input Impedance of 100MΩ at 50kHz
Bioimpedance (BioZ) analysis has been recognized as a new paradigm to derive a number of body composition and hemodynamic measures in a non-invasive manner. Measuring the changes in electrical resistance of the thorax du
ISSCC 2022
Session 20
RF & Wireless
A Time-Division Multiplexed 8-Channel Non-Contact ECG Recording IC with a Common-Mode Interference Tolerance of 20VPP
There has been increasing demand for a low-power wearable device to perform longterm ambulatory monitoring of electrocardiogram (ECG). However, for a wearable device to be a convenient continuous recording system in one’
ISSCC 2022
Session 20
RF & Wireless
A 0.7V 17fJ/step-FOMW 178.1dB-FOMSNDR 10kHz-BW 560mVPP True-ExG Biopotential Acquisition System with Parasitic-Insensitive 421MΩ Input Impedance in 0.18µm CMOS
Taeryoung Seol1, Homin Jang1, Doyoung Lee1, Minkyu Je2, Ji-Woong Choi1, Arup K. George1, Junghyup Lee1 Daegu Gyeongbuk Institute of Science and Technology, Daegu, Korea KAIST, Daejeon, Korea 1 2 Insights derived from epi
ISSCC 2022
Session 20
RF & Wireless
A 256-Channel 0.227µJ/class Versatile Brain Activity Classification and Closed-Loop Neuromodulation SoC with 0.004mm2-1.51µW/channel Fast-Settling Highly Multiplexed Mixed-Signal Front-End
Yashwanth Vyza1, Alix Trouillet1, Stéphanie P. Lacour1,3, Mahsa Shoaran1,3 EPFL, Lausanne, Switzerland Cornell University, Ithaca, NY 3 Center for Neuroprosthetics, Geneva, Switzerland 1 2 Closed-loop neuromodulation can
ISSCC 2022
Session 20
RF & Wireless
A Miniaturized Wireless Neural Implant with Body-Coupled Data Transmission and Power Delivery for Freely Behaving Animals
University, Incheon, Korea, 4gBrain, Incheon, Korea *Equally Credited Authors (ECAs) 1 3 Miniaturized neural implants for monitoring neurological disorders have been investigated as a promising alternative to the neural
ISSCC 2022
Session 20
RF & Wireless
A Reconfigurable Sub-Array Multiplexing Microelectrode
Ji-Hyoung Cha1, Jee-Ho Park1, Yongjae Park1, Hyogeun Shin2, Kyeong Seob Hwang2, Il-Joo Cho2, Seong-Jin Kim1 Ulsan National Institute of Science and Technology, Ulsan, Korea Korea Institute of Science and Technology, Seou
ISSCC 2022
Session 20
RF & Wireless
An SpO2 Sensor Using Reconstruction-Free Sparse Sampling for 70% System Power Reduction
oxygenation (SpO2) is a measure of hypoxemia and a sign of problems relating to breathing and circulation. Progressive drop in arterial SpO2 can be an early indicator of severe disease in COVID-19 patients [1]. A hypoxic
ISSCC 2022
Session 20
RF & Wireless
A 145.2dB-DR Baseline-Tracking Impedance Plethysmogram IC for Neckband-Based Blood Pressure and Cardiovascular Monitoring
separate I/Q channels. A bio-impedance input phase (φpst) varies depending on its electrode conditions such as configuration (2E or 4E) and environment (dry or wet). However, once the conditions are set and maintained, t
ISSCC 2022
Session 22
Power Management
A Cryo-CMOS Low-Power Semi-Autonomous Qubit State Controller in 14nm FinFET Technology
Mark Yeck1, Joseph A. Glick1, Raphael Robertazzi1, Ray Richetta2, John F. Bulzacchelli1, Daniel Ramirez2, Dereje Yilma2, Andrew Davies2, Rajiv V. Joshi1, Shawn D. Chambers2, Scott Lekuch1, Ken Inoue1, Devin Underwood1, D
ISSCC 2022
Session 22
Power Management
A Cryo-CMOS Controller IC with Fully Integrated Frequency Generators for Superconducting Qubits
Extensive research on quantum mechanics in past decades has successfully paved the way towards the disruptive technology of quantum computing. A further step to the realization of a fault-tolerant scalable quantum comput
ISSCC 2022
Session 22
Power Management
A Cryogenic SiGe BiCMOS Hybrid Class B/C Mode-Switching VCO Achieving 201dBc/Hz Figure-of-Merit and 4.2GHz Frequency Tuning Range
Southern University of Science and Technology, Shenzhen, China 1 2 The interconnects between a quantum processor and control electronics can be made more compact and reliable by placing classical circuits at cryogenic te
ISSCC 2022
Session 22
Power Management
A WiFi and Bluetooth Backscattering Combo Chip Featuring Beam Steering via a Fully-Reflective Phased-Controlled Multi-Antenna Termination Technique Enabling Operation Over 56 Meters
*Equally-Credited Authors (ECAs) Many envisioned IoT applications are not realizable today due to the mW-level power burden of wireless communication circuits for the most popular consumer standards: WiFi and BLE. To hel
ISSCC 2022
Session 22
AI / ML
A 108nW 0.8mm2 Analog Voice Activity Detector (VAD) Featuring a Time-Domain CNN as a Programmable Feature Extractor and a Sparsity-Aware Computational Scheme in 28nm CMOS
University of Lisboa, Lisbon, Portugal 1 2 An ultra-low-power always-on voice activity detector (VAD) is the key enabler of acoustic sensing in wearables. The VAD listens to the environment and wakes up the main system o
ISSCC 2022
Session 22
Power Management
A 23µW Solar-Powered Keyword-Spotting ASIC with Ring-Oscillator-Based Time-Domain Feature Extraction
interfaces on acoustic Internet-of-Things (IoT) sensor nodes and mobile devices require integrated low-power always-on wake-up functions such as Voice Activity Detection (VAD) and Keyword Spotting (KWS) to ensure longer
ISSCC 2022
Session 22
AI / ML
An 82nW 0.53pJ/SOP Clock-Free Spiking Neural Network with 40µs Latency for AIoT Wake-Up Functions Using Ultimate-Event-Driven Bionic Architecture and Computing-in-Memory Technique
Peiyu Chen1, Meng Wu1, Hao Zhang1, Peng Zhou3, Jinguang Liu3, Guangyu Sun1, Jiayoon Ru1, Le Ye1,2, Ru Huang1 Peking University, Beijing, China Advanced Institute of Information Technology of Peking University, Hangzhou,
ISSCC 2022
Session 23
Clocking & PLLs
A Cascaded PLL (LC-PLL + RO-PLL) with a Programmable Double Realignment Achieving 204fs Integrated Jitter (100kHz to 100MHz) and -72dB Reference Spur
communications, require deep-subpicosecond integrated phase jitter [1]. Their in-band phase noise (PN) can be adversely affected by flicker noise and a large feedback frequency-division ratio, N. Cascaded PLLs are a rece
ISSCC 2022
Session 23
Clocking & PLLs
A 188fsrms-Jitter and –243dB-FoMjitter 5.2GHz-Ring-DCO-Based Fractional-N Digital PLL with a 1/8 DTC-Range-Reduction Technique Using a Quadruple-Timing-Margin Phase Selector
*Equally Credited Authors (ECAs) Modern SoCs for advanced wireless/wired applications integrate an increasing number of PLLs. 5G TRXs require multiple PLLs to implement complex schemes of carrier aggregation and MIMO. Mu
ISSCC 2022
Session 23
Clocking & PLLs
A 2.6-to-4.1GHz Fractional-N Digital PLL Based on a TimeMode Arithmetic Unit Achieving -249.4dB FoM and -59dBc Fractional Spurs
Peng Chen3, Gerd Spalink2, Ben Eitel2, Ken Yamamoto4, Robert Bogdan Staszewski1,3, Morteza S. Alavi1, Masoud Babaie1 Delft University of Technology, Delft, The Netherlands Sony Europe, Stuttgart, Germany 3 University Col
ISSCC 2022
Session 23
Clocking & PLLs
A Sub-100MHz Reference-Driven 25-to-28GHz Fractional-N PLL with -250dB FoM
>25GHz inevitably faces the problems of a large closed-loop gain fvco/fref = N. Phase noise and spurs on the reference input and from other sources in the loop referred to its input are amplified by N. A narrow loop band
ISSCC 2022
Session 23
Clocking & PLLs
A 68.6fsrms-Total-Integrated-Jitter and 1.56µs-Locking-Time Fractional-N Bang-Bang PLL Based on Type-II Gear Shifting and Adaptive Frequency Switching
Luca Avallone2, Alessio Santiccioli1, Agata Iesurum3, Giovanni Steffan2, Dmytro Cherniak2, Luca Bertulessi1, Andrea Bevilacqua3, Carlo Samori1, Andrea Leonardo Lacaita1, Salvatore Levantino1 Politecnico di Milano, Milan,
ISSCC 2022
Session 24
RF & Wireless
A Long-Range Narrowband RF Localization System with a Crystal-Less Frequency-Hopping Receiver
Semiconductor Japan, Yokohama, Japan 1 2 Emerging IoT applications, such as asset tracking and first-responder rescue operation, require a new localization solution that achieves decimeter-level accuracy for long range (
ISSCC 2022
Session 24
RF & Wireless
A 1.66Gb/s and 5.8pJ/b Transcutaneous IR-UWB Telemetry System with Hybrid Impulse Modulation for Intracortical Brain-Computer Interfaces
Mario Konijnenburg1, Huib Visser1, Jac Romme1, Barundeb Dutta4, Morteza S. Alavi2, Christian Bachmann1, Yao-Hong Liu1 imec-Netherlands, Eindhoven, The Netherlands Delft University of Technology, Delft, The Netherlands 3
ISSCC 2022
Session 24
RF & Wireless
A 6.5-to-10GHz IEEE 802.15.4/4z-Compliant 1T3R UWB Transceiver
Xiaofeng Guo, Jianlong Huang, Nansong Li, Xueqing Hu, Rongde Ou, Wenzhe Liu, Bei Chen, Wen Zhang, Xiaofeng Xin, Bingcai Zhao, ZhenQi Chen Newradio Technology, Shenzhen, China Ultra-wideband (UWB) technology differentiate