ISSCC 2023
Session 34
Quantum & Photonics
A Calibration-Free 12.8-16.5GHz Cryogenic CMOS VCO with 202dBc/Hz FoM for Classic-Quantum Interface
Chengdu Data Automation System Technologies, Chengdu, China 1 Recently, physical quantum-bits (Qubits) have achieved a remarkable operational fidelity >99.9% and a coherence time ranging from milliseconds to seconds with
ISSCC 2023
Session 34
Quantum & Photonics
A Cryogenic Controller IC for Superconducting Qubits with DRAG Pulse Generation by Direct Synthesis without Using Memory
superconducting qubits foresee reaching the next milestones of the exponentially growing number of qubits. The promises in the scalability present opportunities in integrated control electronics operating at 4K stage in
ISSCC 2023
Session 34
Quantum & Photonics
A Polar-Modulation-Based Cryogenic Qubit State Controller in 28nm Bulk CMOS
Quantum Information Sciences, Beijing, China 1 2 In today’s mainstream superconducting quantum computing platforms in a dilution refrigerator, the qubits work at a cryogenic temperature (CT) of a few tens of mK, while th
ISSCC 2023
Session 34
Quantum & Photonics
A 28-nm Bulk-CMOS IC for Full Control of a Superconducting Quantum Processor Unit-Cell
Catherine Erickson1, Evan Jeffrey1, Reza Fatemi1, Marissa Giustina1, Markus Ansmann1, Erik Lucero1, Julian Kelly1, Joseph C. Bardin1,2 Google Quantum AI, Goleta, CA University of Massachusetts, Amherst, MA 1 2 While larg
ISSCC 2023
Session 34
Quantum & Photonics
THz Cryo-CMOS Backscatter Transceiver: A Contactless 4 Kelvin-300 Kelvin Data Interface
Muhammad Ibrahim Wasiq Khan, Xiang Yi, Dirk R. Englund, Ruonan Han Massachusetts Institute of Technology, Cambridge, MA Modern low-temperature large-scale systems, such as high-sensitivity IR/THz imaging arrays and quant
ISSCC 2023
Session 33
AI / ML
A 28nm 2Mb STT-MRAM Computing-in-Memory Macro with a Refined Bit-Cell and 22.4 – 41.5TOPS/W for AI Inference
Emerging non-volatile memory-based computing-in-memory (CIM) is an excellent fit for resource-constrained edge-AI devices [1-6]. MRAM-CIM macros for MAC operations, at present, rely on a crossbar structure or a periphera
ISSCC 2023
Session 33
AI / ML
A 9Mb HZO-Based Embedded FeRAM with 1012-Cycle Endurance and 5/7ns Read/Write using ECC-Assisted Data Refresh and Offset-Canceled Sense Amplifier
University, Shanghai, China 3 Zhejiang Lab, Hangzhou, China 1 voltage (VT) has a positive coefficient of about +0.085mV/°C. By setting a proper R2:R3 ratio, a tracking voltage (Vtrack) can be generated with an expected r
ISSCC 2023
Session 33
AI / ML
A 22nm 8Mb STT-MRAM Near-Memory-Computing Macro with 8b-Precision and 46.4-160.1TOPS/W for Edge-AI Devices
Yu-An Chien1, Guan-Yi Lin1, Po-Jung Chen1, Tsen-Hsiang Pan1, De-Qi You1, Fang-Yi Chen1, Andrew Lee1, Chung-Chuan Lo1, Ren-Shuo Liu1, Chih-Cheng Hsieh1, Kea-Tiong Tang1, Yu-Der Chih3, Tsung-Yung Chang3, Meng-Fan Chang1,2
ISSCC 2023
Session 33
AI / ML
A 16nm 32Mb Embedded STT-MRAM with a 6ns Read-Access
Po-Hao Lee, Chia-Fu Lee, Yi-Chun Shih, Hon-Jarn Lin, Yen-An Chang, Cheng-Han Lu, Yu-Lin Chen, Chieh-Pu Lo, Chung-Chieh Chen, Cheng-Hsiung Kuo, Tan-Li Chou, Chia-Yu Wang, J. J. Wu, Roger Wang, Harry Chuang, Yih Wang, Yu-D
ISSCC 2023
Session 32
Medical & Bio
Fascicle-Selective Bidirectional Peripheral Nerve Interface IC with 173dB FOM Noise-Shaping SAR ADCs and 1.38pJ/b Frequency-Multiplying Current-Ripple Radio Transmitter
Eugene Hwang, Gerard O’Leary, Yu Huang, Mustafa Kanchwala, Mohammad Abdolrazzaghi, Chenxi Tang, Patty Liu, Yuan Sui, Xilin Liu, George Eleftheriades, José Zariffa, Roman Genov University of Toronto, Toronto, Canada The p
ISSCC 2023
Session 32
AI / ML
SciCNN: A 0-Shot-Retraining Patient-Independent Epilepsy-Tracking SoC
Institute for Health, Singapore, Singapore 3 Apple, Cupertino, CA 4 Huawei Technologies, Chengdu, China 1 2 Patient-specific seizure-detection SoCs targeting ambulatory seizure treatment [1-8] achieve outstanding accurac
ISSCC 2023
Session 32
Medical & Bio
A 384-Channel Online-Spike-Sorting IC Using Unsupervised Geo-OSort Clustering and Achieving 0.0013mm2/Ch and 1.78µW/Ch
neural-recording devices get denser and generate more data [1], on-chip and online neural-signal processing becomes crucial to reduce the data-transmission power and enable real-time closed-loop applications with minimum
ISSCC 2023
Session 32
Medical & Bio
A 1V-Supply 1.85VPP-Input-Range 1kHz-BW 181.9dB-FOMDR 179.4dB-FOMSNDR 2nd-Order Noise-Shaping SAR-ADC with Enhanced Input Impedance in 0.18μm CMOS
Gain Kim, Jong-Hyeok Yoon, Arup K. George, Junghyup Lee Daegu Gyeongbuk Institute of Science and Technology, Daegu, Korea Wearable devices rely on accurately read bio-potentials such as ECG, EEG, EMG, and EOG (ExG) to tr
ISSCC 2023
Session 32
Medical & Bio
A 1V 136.6dB-DR 4kHz-BW ∆Σ Current-to-Digital Converter with a Truncation-Noise-Shaped Baseline-Servo-Loop in 0.18µm CMOS
Seungyeob Baik, Jaeha Kung, Ji-Woong Choi, Arup K. George, Junghyup Lee Daegu Gyeongbuk Institute of Science and Technology, Daegu, Korea Precise current measurements underpin emerging applications such as photoplethysmo
ISSCC 2023
Session 32
Medical & Bio
A Stimulus-Scattering-Free Pixel-Sharing Sub-Retinal Prosthesis SoC with 35.8dB Dynamic Range Time-Based Photodiode Sensing and Per-Pixel Dynamic Voltage Scaling
National University, Cheongju, Korea 4 Korea University Guro Hospital, Seoul, Korea 1 2 Retinal prosthesis (RP) systems-on-chip (SoC) for the treatment of age-related macular degeneration (AMD) and retinal pigment degene
ISSCC 2023
Session 32
Medical & Bio
A Behind-The-Ear Patch-Type Mental Healthcare Integrated Interface with 275-Fold Input Impedance Boosting and Adaptive Multimodal Compensation Capabilities
Hanyang University, Seoul, Korea 4 SOSO H&C, Daegu, Korea 1 To overcome this limitation, a 10b DR-EPFL is proposed to have two CDAC loops of 6b coarse and 4b fine, where the fine CDAC is designed to provide equivalently
ISSCC 2023
Session 31
RF & Wireless
A 0.4-to-0.95GHz Distributed N-Path Noise-Cancelling Ultra-Low-Power RX with Integrated Passives Achieving
(ULP) radios requires ULP RX that can operate in crowded ISM environments across geographies while minimizing off-chip components for low cost and for satisfying wearable/IoT device footprints (Fig. 31.8.1). ULP RX based
ISSCC 2023
Session 31
RF & Wireless
A 0.7-to-2.5GHz Sliding Digital-IF Quadrature Digital Transmitter Achieving >40% System Efficiency for Multi-Mode NB-IoT/BLE Applications
Cellular narrowband Internet-of-Things (NB-IoT) is an important branch of low-power wide-area IoT applications, which specifies multiple operation bands over 663 to 915MHz (LB) and 1710 to 2010MHz (MB), up to 23dBm outpu
ISSCC 2023
Session 31
RF & Wireless
A ULP Long-Range Active-RF Tag with Automatic AntennaInterface Calibration Achieving 20.5% TX Efficiency at -22dBm
Zhizhan Yang1, Jun Yin1, Wei-Han Yu1, Haochen Zhang1, Pui-In Mak1, Rui P. Martins1,2 University of Macau, Macau, China Instituto Superior Tecnico/University of Lisboa, Lisbon, Portugal 1 2 For event-driven IoT applicatio
ISSCC 2023
Session 31
RF & Wireless
A Passive Bidirectional BLE Tag Demonstrating Battery-Free
Tag-to-Tablet/Smartphone, and Tag-to-Tag Modes Ziyi Chang*1, Qijing Xiao*1,2, Weixiao Wang1,2, Yuxuan Luo1, Bo Zhao1 Zhejiang University, Hangzhou, China, 2Microaiot, Hangzhou, China *Equally Credited Authors (ECAs) 1 Wi
ISSCC 2023
Session 31
RF & Wireless
A 128-Channel 2mm×2mm Battery-Free Neural Dielet Merging Simultaneous Multi-Channel Transmission Through Multi-Carrier Orthogonal Backscatter
wireless implants have been investigated as an alternative to traditional cable-based neural interfaces. Simultaneous massive-channel recording capability is essential to study cellular interconnections and network prope
ISSCC 2023
Session 31
RF & Wireless
A Fully Integrated IEEE 802.15.4/4z-Compliant 6.5-to-8GHz UWB System-on-Chip RF Transceiver Supporting Precision Positioning in a CMOS 28nm Process
Chanho Kim1, Wonkang Kim1, Wonjun Jung1, Youngsea Cho1, Seungyong Bae1, Jongpil Cho1, Hyeokju Na1, Byoungjoong Kang1, Honggul Han1, Hyeonuk Son1, Chiyoung Ahn1, Hoon Kang1, Sukjin Jung1, Hyukjun Sung1, Yeongdae Kim1, Don
ISSCC 2023
Session 31
RF & Wireless
A Quadrature Uncertain-IF IR-UWB Transceiver with Twin-OOK Modulation
Benefiting from good energy efficiency and fine ranging accuracy, impulse-radio ultrawideband (IR-UWB) has been revived recently for short-distance communications. The IR-UWB transceiver, however, faces two major issues
ISSCC 2023
Session 30
Power Management
A 90%-Efficiency 40.68MHz Single-Stage Dual-Output Regulating Rectifier with ZVS and Synchronous PFM Control for Wireless Powering
Wireless power transfer (WPT) is a common non-intrusive approach to power implantable biomedical devices. In the WPT system, a tens-of-milliwatt power receiver (RX) should offer a small form factor and is preferred to pr
ISSCC 2023
Session 30
Power Management
3D Wireless Power Transfer with Noise Cancellation Technique for –62dB Noise Suppression and 90.1% Efficiency
Shao-Chang Huang1, Yi-Hsiang Kao1, Ke-Horng Chen1, Kuo-Lin Zheng1,2, Ying-Hsi Lin3, Shian-Ru Lin3, Tsung-Yen Tsai3 National Yang Ming Chiao Tung University, Hsinchu, Taiwan Chip-GaN Power Semiconductor, Hsinchu, Taiwan 3
ISSCC 2023
Session 30
Power Management
A Continuously Scalable-Conversion-Ratio SC Converter with Reconfigurable VCF Step for High Efficiency over an Extended VCR Range
Zhuhai UM Science & Technology Research Institute, Zhuhai, China 3 Instituto Superior Tecnico/University of Lisboa, Lisbon, Portugal 1 2 DC-DC converters are widely used in energy harvesting systems for maximum power poi
ISSCC 2023
Session 30
Power Management
A 98.6%-Peak-Efficiency 1.47A/mm2-Current-Density Buck-Boost Converter with Always Reduced Conduction Loss
Hefei CLT Microelectronics, Hefei, China 1 2 Buck-Boost converters are commonly used in the Li-ion battery-powered mobile devices to convert a varying battery voltage (e.g., 2.7V to 4.2V) to a mid-3V output voltage (VOUT
ISSCC 2023
Session 30
Power Management
A 95.3% 5V-to-32V Wide Range 3-Level Current Mode Boost Converter with Fully State-based Phase Selection Achieving Simultaneous High-Speed VCF Balancing and Smooth Transition
for various applications that require a high supply voltage, including solid-state drives (SSDs), LED drivers, etc. A multi-level (ML) boost converter (BST) with a high conversion gain (CG) and low voltage rating for swi
ISSCC 2023
Session 30
Power Management
A 3.7V-to-1kV Chip-Cascaded Switched-Capacitor Converter with Auxiliary Boost Achieving >96% Reactive Power Efficiency for Electrostatic Drive Applications
This work presents a high voltage drive system for electrostatic and piezoelectric (PZT) actuators used for small-scale electromechanical applications, e.g. microrobotics and haptics. Such systems are notoriously challen
ISSCC 2023
Session 30
Power Management
A Bias-Flip Rectifier with a Duty-Cycle-Based MPPT Algorithm for Piezoelectric Energy Harvesting with 98% Peak MPPT Efficiency and 738% Energy-Extraction Enhancement
Synchronized bias-flip rectifiers, such as synchronized switch harvesting on inductor (SSHI) rectifiers, are widely used for piezoelectric energy harvesting (PEH) [1], which can replace the use of batteries in many IoT a
ISSCC 2023
Session 30
Power Management
A 93.2%-Efficiency Multi-Input Bipolar Energy Harvester with 17.9× MPPT Loss Reduction
Hsinchu, Taiwan 3 Realtek Semiconductor, Hsinchu, Taiwan 1 2 Today’s multi-input energy harvesters need to accommodate different energies, such as sub-1μW from radio frequency (RF), tens of μW from thermal energy generat
ISSCC 2023
Session 30
Power Management
Single-Chip Qi-Compliant 40W Wireless-Power-Transmission Controller using RMS Coil Current Sensing and Adaptive ZVS for 4dB EMI and up to 1.7% Efficiency Improvements automotive application field, by auto-calibrating the initial threshold of the comparator
overall PTx efficiency is increased up to 1.7% depending on the PTxOUT. Filippo Neri1, Gus Mehas2, Fabio Di Fazio1, Giovanni Figliozzi1, Jure Menart1, Marcin Augustyniak1, Turev Acar2, Amit Bavisi2 Foreign object detecti
ISSCC 2023
Session 30
Power Management
A Scalable N-Step Equal Split SSHI Piezoelectric Energy Harvesting Circuit Achieving 1170% Power Extraction Improvement and 22nA Quiescent Current with a 1µH-to-10µH Low Q Inductor
mechanical energy into AC electrical energy and can be a solution to various power issues related to the self-powered systems. The simplest way to harvest AC energy is to apply a full-bridge rectifier (FBR). However, the
ISSCC 2023
Session 3
Other
A 0.5-to-400MHz Programmable BAW Oscillator with Fractional Output Divider Achieving 4ppm Frequency Stability over Temperature and <95fs Jitter
Peeyoosh Mirajkar1, Raghavendra Reddy1, Harish Ramesh1, Bichoy Bahr2, Jagdish Chand1, Uday Meda1, Baher Haroun2, Shankar Karantha1, Ernest Yen3, Keegan Martin2, Daniel Gan4, Amin Sijelmassi2, Sankaran Aniruddhan5 Texas I
ISSCC 2023
Session 3
Other
A 0.954nW 32kHz Crystal Oscillator in 22nm CMOS with Gm-C-Based Current Injection Control
oscillators (XOs) [1-5] are essential in wirelessly linked IoT nodes: for time-keeping purposes, they need to consume low power since they stay always-on and remain accurate to reduce synchronization guard time [6]. In r
ISSCC 2023
Session 3
Other
A 16MHz XO with 17.5µs Startup Time Under 104ppm-∆F Injection Using Automatic Phase-Error Correction Technique
significantly influenced the power consumption of duty-cycled Internet-of-Things (IoT) systems. The injection techniques [1-5] have gained popularity for effectively reducing the start-up time and start-up energy (ES) of
ISSCC 2023
Session 3
Other
A 12/13.56MHz Crystal Oscillator with Binary-Search-Assisted Two-Step Injection Achieving 5.0nJ Startup Energy and 45.8µs Startup Time
Instituto Superior Tecnico/University of Lisboa, Lisbon, Portugal 1 2 Startup time (ts) and energy (ES) of crystal oscillators (XO) determine the efficiency of ultra-low-power duty-cycled IoT radios. MHz-range XOs take a
ISSCC 2023
Session 3
Other
A 1.4µW/MHz 100MHz RC Oscillator with ±1030ppm Inaccuracy from -40°C to 85°C After Accelerated Aging for 500 Hours at 125°C
preferred clock source in many applications, which typically have used bulky crystal or MEMS oscillators. Using novel methods to compensate for the frequency inaccuracy caused by the temperature coefficient (TC) of the r
ISSCC 2023
Session 3
Other
A 0.01mm2 10MHz RC Frequency Reference with a 1-Point On-Chip-Trimmed Inaccuracy of ±0.28% from -45°C to 125°C in 0.18µm CMOS
Silicon Integrated, Eindhoven, The Netherlands, 3Tsinghua University, Beijing, China *Equally-Credited Authors (ECAs) 1 2 CMOS frequency references based on RC oscillators are usually preferred over bulky crystals in IoT
ISSCC 2023
Session 3
Other
Bandpass Filter and Oscillator ICs with THD < -140dBc at 10Vppd for Testing High-Resolution ADCs
Indian Institute of Technology Madras, Chennai, India 1 2 The growing demand for high-resolution (18 to 20bit) precision ADCs has increased the need for very low THD (< -140dBc) testing hardware that can simultaneously c
ISSCC 2023
Session 3
Other
A Chopper-Stabilized Amplifier with a Relaxed Fill-In Technique and 22.6pA Input Current
now at Broadcom, Bunnik, The Netherlands 1 2 In chopper amplifiers, the interaction between the input signal and the chopper clock can cause intermodulation distortion (IMD). This is due to amplifier delay, which causes
ISSCC 2023
Session 29
Digital Circuits
An 8T eNVSRAM Macro in 22nm FDSOI Standard Logic with Simultaneous Full-Array Data Restore for Secure IoT Devices
There has been an increasing demand for ultra-low power IoT devices in recent years. These devices often have low activity rates and most of the time are in standby mode, resulting in a high leakage energy consumption. T
ISSCC 2023
Session 29
Digital Circuits
A Sub-0.8pJ/b 16.3Gbps/mm2 Universal Soft-Detection Decoder Using ORBGRAND in 40nm CMOS
Kevin Galligan3, Muriel Medard2, Ken R. Duffy3, Rabia Tugce Yazicigil1 Boston University, Boston, MA Massachusetts Institute of Technology, Cambridge, MA 3 Maynooth University, Maynooth, Ireland 1 2 Many modern communica
ISSCC 2023
Session 29
Digital Circuits
CCSA: A 394TOPS/W Mixed-Signal GPS Accelerator with Charge-Based Correlation Computing for Signal Acquisition
the amount of transferred charge as ∆Qc,k=Cc∙[∆Vnc,k+(1/2∙VDD–Vm)], which is indeed proportional to the Lk%Rk product. Jieyu Li1, Weifeng He1, Bo Zhang2, Liang Qi1, Guanghui He1, Mingoo Seok2 The charges that all mixed-s
ISSCC 2023
Session 29
Digital Circuits
A 1.5µW End-to-End Keyword Spotting SoC with Content-Adaptive Frame Sub-Sampling and Fast-Settling Analog Frontend
a wake-up mechanism for edge IoT devices. While recent advances in deep learning have improved KWS accuracy [1], reducing system power consumption remains a challenge. A typical KWS signal chain consists of an analog fro
ISSCC 2023
Session 29
Digital Circuits
A 73.53TOPS/W 14.74TOPS Heterogeneous RRAM In-Memory and SRAM Near-Memory SoC for Hybrid Frame and Event-Based Target Tracking
Shota Konno1, Zishen Wan1, Ashwin Bhat1, Win-San Khwa2, Yu-Der Chih3, Meng-Fan Chang2, Arijit Raychowdhury1 Georgia Institute of Technology, Atlanta, GA TSMC Corporate Research, Hsinchu, Taiwan 3 TSMC Design Technology,
ISSCC 2023
Session 29
AI / ML
Wafer-Level Stacking of High-Density Capacitors to Enhance the Performance of a Large Multicore Processor for Machine Learning Applications
Graphcore, Bristol, United Kingdom Graphcore, Adelaide, Australia 1 2 The 822mm2 Colossus Mk2x is a chip made by stacking and fusing two separately processed 12-inch wafers prior to probe-test, singulation and packaging.
ISSCC 2023
Session 29
Digital Circuits
An 8.09TOPS/W Neural Engine Leveraging Bit-Sparsified Sign-Magnitude Multiplications and Dual Adder Trees
(NNs) continues to increase, spurring the development of high-efficiency neural accelerator engines. Previous neural engines have relied on two’s-complement (2C) arithmetic for their central MAC units (Fig. 29.3.1 top, l
ISSCC 2023
Session 29
AI / ML
Snap-SAT: A One-Shot Energy-Performance-Aware All-Digital Compute-in-Memory Solver for Large-Scale Hard Boolean Satisfiability Problems
Sirish Oruganti, Jaydeep P. Kulkarni University of Texas, Austin, TX Boolean satisfiability (SAT) is a non-deterministic polynomial time (NP)-complete problem with many practical and industrial data-intensive application
ISSCC 2023
Session 29
AI / ML
A 32.5mW Mixed-Signal Processing-in-Memory-Based k-SAT Solver in 65nm CMOS with 74.0% Solvability for 30-Variable 126-Clause 3-SAT Problems
Boolean satisfiability (k-SAT, k ≥3) is an NP-complete combinatorial optimization problem (COP) with applications in communication, flight network, supply chain and finance, to name a few. The ASICs for SAT and other COP