Keonho Lee

ORCID: 0000-0003-0929-2014
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About
Contact & Profiles
Research Areas
  • Photonic and Optical Devices
  • Ferroelectric and Negative Capacitance Devices
  • Advancements in PLL and VCO Technologies
  • Semiconductor Lasers and Optical Devices
  • Semiconductor materials and devices
  • Low-power high-performance VLSI design

SK Group (South Korea)
2022-2024

This article introduces a 192-Gb 896-GB/s 12-high stacked third-generation high-bandwidth memory (HBM3 DRAM) with low power consumption and high-reliability traits. New design schemes features, including internal low-voltage signaling, center strobe calibration, through-silicon via (TSV) auto-calibration, symbol-correcting in-DRAM ECC, machine-learning-based layout optimization, allow large amounts of data transfers among the vertically base core dies limited delay mismatch or SI...

10.1109/jssc.2022.3193354 article EN IEEE Journal of Solid-State Circuits 2022-08-17

The increase in GPU-based AI applications, cloud-based gaming, and video streaming services has driven the need for new a graphics memory that operates at higher bandwidth power efficiency than existing GDDR6 SDRAM, leading to introduction of GDDR7 standard [1]. Since performance degradation due thermal throttling, cost, device reliability are major development considerations high-power PAM3 signaling is applied on single-ended pins improve consumption, while maintaining clock frequency [2]....

10.1109/isscc49657.2024.10454560 article EN 2022 IEEE International Solid- State Circuits Conference (ISSCC) 2024-02-18
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