机构

Seoul National University

17 篇 ISSCC 论文

ISSCC 2026 Session 8 Wireline I/O
A 0.292pJ/b 56Gb/s/wire Capacitively Driven Simultaneous Bidirectional Transceiver with PVT/Mismatch Tracking for XSR and D2D Interfaces in 28nm CMOS
Kahyun Kim, Yoona Lee, Daehoon Na, Ha-Jung Park, Jeongeun Song, Woo-Seok Choi
Abstract A low-power (0.292pJ/b), high-bandwidth (56Gb/s/wire) single-ended capacitively driven simultaneous bi-directional (CD-SBD) TRX with PVT tolerance is proposed. Capacitive driving reduces power and self-interfere
ISSCC 2025 Session 8 Digital Circuits
A Command-Aware Hybrid LDO for Advanced HBM Interfaces with 150µA Quiescent Current and 20pF On-Chip Capacitor Achieving Sub-10mV Voltage Droop in 400ps Settling Time
Jaeho Kim*1, Myeongho Han*1, Jooeun Bang1,2, Younghyun Lim3, Jaehyouk Choi1
KAIST, Daejeon, Korea 3 Kyung Hee University, Yongin, Korea 1 2 *Equally Credited Authors (ECAs) With the advent of the generative AI era, high-bandwidth memory (HBM) has emerged as an irreplaceable solution that can pro
ISSCC 2025 Session 37 Digital Circuits
A 28nm 18.1µJ/Acquisition End-to-End GPS Acquisition Accelerator with Energy-Accuracy-Driven Mixed-Radix IFFT and ROM-Assisted Computing
Sangsu Jeong1, Sungjin Park1, Mingoo Seok2, Dongsuk Jeon1
Columbia University, New York, NY 1 (Fig. 37.7.3, top). The butterfly unit receives 8 real inputs and 8 imaginary inputs in signand-magnitude format, through an input router switching between them. When real (imaginary)
ISSCC 2025 Session 22 Memory
An 850μW 2-to-5GHz Jitter-Filtering and Instant-Toggling Injection-Locked Quadrature-Clock Generator for Low-Power Clock Distribution in HBM Interfaces
Jeongbeom Seo*1, Yoonseo Cho*1,2, Yuhwan Shin1,2, Jaehyouk Choi1
KAIST, Daejeon, Korea 1 2 *Equally Credited Authors (ECAs) The explosive expansion of generative AI, in various industries, has led to a surge in demand for high-bandwidth memory (HBM) devices that feature thousands of D
ISSCC 2023 Session 22 Other
A 0.81mm2 740µW Real-Time Speech Enhancement Processor Using Multiplier-Less PE Arrays for Hearing Aids in 28nm CMOS
Sungjin Park, Sunwoo Lee, Jeongwoo Park, Hyeong-Seok Choi, Dongsuk Jeon
Speech enhancement (SE) is a task to improve voice quality and intelligibility by removing noise from the audio, which is widely adopted in hearing assistive devices. Hearing aids are generally worn in or behind the ear,
ISSCC 2022 Session 28 Memory
A 78.8fJ/b/mm 12.0Gb/s/Wire Capacitively Driven On-Chip Link Over 5.6mm with an FFE-Combined Ground-Forcing Biasing Technique for DRAM Global Bus Line in 65nm CMOS
Sangyoon Lee, Jaekwang Yun, Suhwan Kim
Advances in virtual reality, artificial intelligence, and big data have increased demand for high-bandwidth memory. Accordingly, pre-fetch sizes have also increased with DRAM generations, meaning an increased number of g
ISSCC 2021 Session 9 AI / ML
A 40nm 4.81TFLOPS/W 8b Floating-Point Training Processor for Non-Sparse Neural Networks Using Shared Exponent Bias and 24-Way Fused Multiply-Add Tree
Jeongwoo Park*, Sunwoo Lee*, Dongsuk Jeon
*Equally Credited Authors (ECAs) Recent works on mobile deep-learning processors have presented designs that exploit sparsity [2, 3], which is commonly found in various neural networks. However, due to the shift in the m
ISSCC 2020 Session 6 Wireline I/O
An 8Gb/s/µm FFE-Combined Crosstalk-Cancellation Scheme for HBM on Silicon Interposer with 3D-Staggered Channels
Han-Gon Ko, Soyeong Shin, Jonghyun Oh, Kwanseo Park, Deog-Kyoon Jeong
a silicon interposer technology to increase the number of I/O pins. Interfaces with the silicon interposer provide a higher throughput (Gb/s/µm) than other packaging technologies due to the high channel density. To incre
ISSCC 2020 Session 6 Wireline I/O
A 6.4-to-32Gb/s 0.96pJ/b Referenceless CDR Employing ML-Inspired Stochastic Phase-Frequency Detection Technique in 40nm CMOS
Kwanseo Park, Minkyo Shim, Han-Gon Ko, Deog-Kyoon Jeong
Continuous-rate referenceless clock and data recovery (CDR) circuits are capable of operating over a wide range of data rates in multiple standards. To achieve wide-range operation without an external reference clock, se
ISSCC 2020 Session 32 Power Management
A 0.4-to-1.2V 0.0057mm2 55fs-Transient-FoM RingAmplifier-Based Low-Dropout Regulator with Replica-Based PSR Enhancement
Jun-Eun Park, Jeongho Hwang, Jonghyun Oh, Deog-Kyoon Jeong
Digital low-dropout regulators (DLDOs) are commonly used in low-power systemon-chips (SoCs) because of their low-voltage operation and fast transient response via the digital control of a power gate. However, the digital
ISSCC 2020 Session 22 Memory
A 0.8-to-2.3GHz Quadrature Error Corrector with Correctable Error Range of 101.6ps Using Minimum Total Delay Tracking and Asynchronous Calibration On-Off Scheme for DRAM Interface
Soyeong Shin1, Han-Gon Ko1, Sungchun Jang2, Dongkyun Kim2, Deog-Kyoon Jeong1
paths also increase. Thus, multiphase clocks are typically utilized in DRAMs to relax timing margins because of the reduced timing budget. However, phase errors between multiphase clocks, due to device mismatch, degrade
ISSCC 2020 Session 18 Power Management
A 92.8%-Peak-Efficiency 60A 48V-to-1V 3-Level Half-Bridge DC-DC Converter with Balanced Voltage on a Flying Capacitor
Minho Choi1,2, Deog-Kyoon Jeong1
Samsung Electronics, Hwaseong, Korea 1 2 Demand for DC-DC voltage conversion from a 48V input has been on the rise due to proliferation of server and automotive applications with a 48V intermediate bus and 48V batteries,
ISSCC 2018 Session 19 RF & Wireless
A 21.8b Sub-100μHz 1/f Corner 2.4μV-Offset Programmable-Gain Read-Out IC for Bridge Measurement Systems
Jaehoon Jun, Cyuyeol Rhee, Minsung Kim, Junho Kang, Suhwan Kim
High-resolution read-out integrated circuits (ROICs) are often used in DC measurement systems such as bridge transducers. Since these typically output small-amplitude signals with a bandwidth of a few hertz, a highly lin
ISSCC 2016 Session 13 Wireless
A 940MHz-Bandwidth 28.8µs-Period 8.9GHz Chirp Frequency Synthesizer PLL in 65nm CMOS for X-Band FMCW Radar Applications
Hwanseok Yeo1,2, Sigang Ryu1, Yoontaek Lee1, Seuk Son1, Jaeha Kim1
1.3 shows the circuit implementation of the low-power PI used in the phase DAC. The PI stage consists of two complementary parts, each interpolating between the rising or falling edges of the two input clocks, respective
ISSCC 2016 Session 11 Sensors
A 100-TRX-Channel Configurable 85-to-385HzFrame-Rate Analog Front-End for Touch Controller with Highly Enhanced Noise Immunity of 20Vpp
Jun-Eun Park, Jiheon Park, Young-Ha Hwang, Jonghyun Oh, Deog-Kyoon Jeong
tablet PCs and home appliances that have touch-screen panels (TSPs) larger than 10 inches. However, there are many sources of noise that affect touch detection, and some of these noise sources, such as charger noise, sig
ISSCC 2013 Session 14 Digital Circuits
A 0.032mm2 3.1mW Synthesized Pixel Clock Generator with 30psrms Integrated Jitter and 10-to-630MHz DCO Tuning Range
Wooseok Kim1, Jaejin Park2, Jihyun Kim2, Taeik Kim2, HoJin Park2, DeogKyoon Jeong1
digital TVs and also in other video applications. A low integrated jitter is required for good display quality. However, an extremely low input frequency coming from the horizontal synchronization signal (HSYNC) makes it
ISSCC 2011 Session 25 Wireline I/O
A 13.8mW 3.0Gb/s Clock-Embedded Video Interface with DLL-Based Data-Recovery Circuit
Sungchun Jang, Heesoo Song, Seokmin Ye, Deog-Kyoon Jeong
As the panel technology continues to offer displays with higher resolution, greater color depth, and increased frame rate, the amount of video data to display driver ICs (DDIs) inside the panel keeps on expanding. Since