Sunghwa Ok

13.2 A 1Tb 4b/Cell 96-Stacked-WL 3D NAND Flash Memory with 30MB/s Program Throughput Using Peripheral Circuit Under Memory Cell Array Technique

Hwang Huh, Wanik Cho, Jinhaeng Lee et al. · 2020 · 48 citations

Non-volatile Memory, Engineering, Memory Design +21

30.1 A 176-Stacked 512Gb 3b/Cell 3D-NAND Flash with 10.8Gb/mm² Density with a Peripheral Circuit Under Cell Array Architecture

Jaewoo Park, Doogon Kim, Sunghwa Ok et al. · 2021 · 47 citations

Planar Nand, Non-volatile Memory, Engineering +23

An Antiharmonic, Programmable, DLL-Based Frequency Multiplier for Dynamic Frequency Scaling

Sunghwa Ok, Kyunghoon Chung, Jabeom Koo et al. · IEEE Transactions on Very Large Scale Integration (VLSI) Systems · 2009 · 24 citations

Frequency Multiplier, Electrical Engineering, Engineering +11

A Low-Power Programmable DLL-Based Clock Generator With Wide-Range Antiharmonic Lock

Jabeom Koo, Sunghwa Ok, Chulwoo Kim · IEEE Transactions on Circuits & Systems II Express Briefs · 2009 · 23 citations

Low-power Electronics, Hardware Security, Electrical Engineering +11

A 1.2V 38nm 2.4Gb/s/pin 2Gb DDR4 SDRAM with bank group and ×4 half-page architecture

Kibong Koo, Sunghwa Ok, Yong-Gu Kang et al. · 2012 · 17 citations

Electrical Engineering, Half-page Architecture, Vlsi Design +12