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Jung-Hwan Choi

Researcher at Samsung

Publications -  117
Citations -  896

Jung-Hwan Choi is an academic researcher from Samsung. The author has contributed to research in topics: Signal & Dram. The author has an hindex of 16, co-authored 103 publications receiving 797 citations.

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Proceedings ArticleDOI

A 3.6-Gb/s point-to-point heterogeneous-voltage-capable DRAM interface for capacity-scalable memory subsystems

TL;DR: A DRAM interface operating at 3.6 Gb/s/pin implemented in 130-nm CMOS logic and 110-nm DRAM process technologies utilizes simultaneous bidirectional signaling in a daisy-chained, point-to-point configuration to enable high performance scalable memory subsystems and also provides direct attach capability for DRAMs to memory controllers or other logic devices.
Proceedings ArticleDOI

A 3.6 Gb/s/pin simultaneous bidirectional (SBD) I/O interface for high-speed DRAM

TL;DR: A point-to-point I/O interface for high-speed DRAM that utilizes simultaneous bidirectional signaling that enables transmitting/receiving data through a line at the same time is described.
Journal ArticleDOI

A 1.2 V 20 nm 307 GB/s HBM DRAM With At-Speed Wafer-Level IO Test Scheme and Adaptive Refresh Considering Temperature Distribution

TL;DR: The 2nd generation HBM is proposed to double the bandwidth to more than 256GB/s and support pseudo-channel mode and 8H stacks, and an adaptive refresh considering temperature distribution (ART) scheme as a solution.
Proceedings ArticleDOI

1.2V 1.6Gb/s 56nm 6F 2 4Gb DDR3 SDRAM with hybrid-I/O sense amplifier and segmented sub-array architecture

TL;DR: A 4Gb DDR3 SDRAM that supports a 1.2V supply voltage and 1.6Gb/s data rate to address the growing need for data bandwidth and capacity in computer systems.