In-Jun (Ian) Jung

Research Interest

• Hardware/software co-design for ML

• Energy-efficient ML accelerator/processing-in-memory design

• PVT-variation tolerant memory circuit design for deep sub-micron technology

Education

• Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea (Sep. 2023 - Present)

  • Ph.D. student, Electrical Engineering 

  • Advisor: Prof. Joo-Young Kim

• Yonsei University, Seoul, South Korea (Mar. 2020 - Aug. 2023)

  • M.S., Electrical and Electronic Engineering          

  • Thesis: PVT-variation tolerant and energy-efficient offset-canceled DRAM bit-line sense amplifier and charge-domain 4T2C eDRAM compute-in-memory macro

  • Advisor: Prof. Seong-Ook Jung

• Sogang University, Seoul, South Korea (Mar. 2014 - Feb. 2020)

  • B.S., Electrical Engineering (Cum Laude)                    

Publications (* Equal Contribution)

Conferences

• In-Jun Jung, Gyeongrok Yang, Jaeha Min, and Joo-Young Kim, "HLX: A Unified Pipelined Architecture for Optimized Performance of Hybrid Transformer-Mamba Language Models," The 58th IEEE/ACM International Symposium on Microarchitecture (MICRO-58), Seoul, South Korea, Oct. 2025.
  [Accept Rate: 21% (124 among 597)]

• Donghyuk Kim*, In-Jun Jung*, Geonwoo Ko, Seri Ham, Cuong Duong Manh, Gyeongrok Yang, and Joo-Young Kim, "D3TA: 38.9TOPS/W Transformer Accelerator with Dual-Port 3T-eDRAM Digital Compute-In-Memory using HyperAttention and Triple-Sparsity-Handling," IEEE European Solid-State Electronics Research Conference (ESSERC), Munich, Germany, Sep. 2025. 

• Keonhee Cho, Heekyung Choi, In-Jun Jung, Jisang Oh, Tae Woo Oh, Kiryong Kim, Giseok Kim, Taemin Choi, Changsu Sim, Taejoong Song, and Seong-Ook Jung, "SRAM Write- and Performance-Assist Cells for Reducing Interconnect Resistance Effects Increased With Technology Scaling," IEEE Symposium on VLSI Circuits (VLSI), Jun. 2021.

Journals

• Donghan Ko, Giseok Kim, Sehee Lim, In-Jun Jung, Do Han Kim, Do-Yoon Lim, and Seong-Ook Jung, "A Wide-Range and Energy-Efficient Level Shifter With Robust Leakage-Suppressed Pull-Down Network," IEEE Transactions on  Circuits and Systems I: Regular Papers (TCAS-1), 2026. (Early Access)

• Do-Yoon Lim, Sehee Lim, Donghan Ko, In-Jun Jung, Giseok Kim, Do Han Kim, Donggyun Ha, Sunjong Park, Hohyun Chae, Seungjae Yei, Taehui Na, and Seong-Ook Jung, “A 3x Offset, 2.9x Power, 1.3x Sensing Time, and 4x Area Reduction Direct Input Transfer Offset Cancel DRAM IO Sense Amplifier with Static Current-Free Pre-Sensing,” IEEE Journal of Solid-State Circuits (JSSC), vol. 61, Issue. 3, pp. 1216-1227, Mar. 2026.

• Gyeongrok Yang, Jaeha Min, In-Jun Jung, and Joo-Young Kim, "A Quantitative Analysis of Mamba-2-based Large Language Model: Study of State Space Duality," IEEE Computer Architecture Letter (CAL), vol. 24, Issue. 2, pp. 309-312, Sep. 2025.

• Sehee Lim, In-Jun Jung, Giseok Kim, Dong Han Ko, Sumin Lee, and Seong-Ook Jung, “Dual-input Stacked Inverter-based Single-ended DRAM Sense Amplifier Using BL Switches for Low-power High-speed Sensing,” IEEE Journal of Solid-State Circuits (JSSC), vol. 60, Issue. 6, pp. 2096-2105, Jun. 2025.

• Tae-Hyun Kim, Juhyun Park, In-Jun Jung, Hoonki Kim, Taejoong Song, and Seong-Ook Jung, "A Contention-Free Wordline Supporting Circuit for High Wordline Resistance in Sub-10nm SRAM Designs," IEEE Transactions on  Circuits and Systems II: Express Briefs (TCAS-2), vol. 71, Issue. 10, pp. 4531-4535, May. 2024.

• In-Jun Jung, Do Han Kim, Minyoung Jo, Dong Han Ko, Youngkyu Lee, and Seong-Ook Jung, "A Charge-Domain 4T2C eDRAM Compute-In-Memory Macro with Enhanced Variation Tolerance and Low-Overhead Data Conversion Schemes," IEEE Transactions on  Circuits and Systems II: Express Briefs (TCAS-2), vol. 71, Issue. 4, pp. 1824-1828, Apr. 2024.

• In-Jun Jung, Tae-Hyun Kim, Keonhee Cho, Kiryong Kim, and Seong-Ook Jung, "An Offset-Canceled Sense Amplifier for DRAMs with Hidden Offset-Cancellation Time and Boosted Internal-Voltage-Differences," IEEE Transactions on  Circuits and Systems II: Express Briefs (TCAS-2), vol. 70, Issue. 9, pp. 3243-3247, Sep. 2023.

• Taeyun Lee, In-Jun Jung, and Seong-Ook Jung, "High-Precision and Low-Power Offset Canceling Tri-State Sensing Latch in NAND Flash Memory," IEEE Transactions on  Circuits and Systems II: Express Briefs (TCAS-2), vol. 70, Issue. 7, pp. 2325-2329, Jul. 2023.

• Keonhee Cho, Heekyung Choi, In-Jun Jung, Jisang Oh, Tae Woo Oh, Kiryong Kim, Giseok Kim, Taemin Choi, Changsu Sim, Taejoong Song, and Seong-Ook Jung, "SRAM Write- and Performance-Assist Cells for Reducing Interconnect Resistance Effects Increased With Technology Scaling," IEEE Journal of Solid-State Circuits (JSSC), vol. 57, Issue. 4, pp. 1039-1048, Apr. 2022.

• Tae-Hyun Kim, Byungkyu Song, In-Jun Jung, and Seong-Ook Jung, "A Sneak Current Compensation Scheme With Offset Cancellation Sensing Circuit for ReRAM-Based Cross-Point Memory Array," IEEE Transactions on  Circuits and Systems I: Regular Papers  (TCAS-1), vol. 69, Issue. 4, pp. 1583-1594, Apr. 2022.

Patent

• In-Jun Jung, Tae-Hyun Kim, and Seong-Ook Jung, "Bit Line Sense Amplifier and Semiconductor Memory Apparatus Using The Same," US2023/0036684 A1.

• Do Han Kim, In-Jun Jung, and Seong-Ook Jung, "Memory Cell Based On EDRAM and CIM Comprising The Same," US2023/0385024 A1.

• 10+ of Korea Patents 

Service

• Reviewer: IEEE Journal of Solid-State Circuits (JSSC)

• Reviewer: IEEE Transactions on  Circuits and Systems I: Regular Papers (TCAS-1)

• Reviewer: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD) 

• Reviewer: IEEE Open Journal of the Solid-State Circuits Society (OJ-SSCS)

• Reviewer: IEEE Transactions on  Circuits and Systems II: Express Briefs (TCAS-2)

• Reviewer: IEEE Electron Device Letters (EDL)

• Reviewer: IEEE Jorunal on Exploratory Solid-State Computational Devices and Circuits (JxCDC)

Technical Skills

• ML model analysis: Model profiling, Dataflow optimization, Pruning, Quantization, etc.

• EDA software: Cadence Virtuoso, Hspice, Spectre, Calibre DRC/LVS/PEX, System verilog, DVE, VCS,  Xilinx Vivado

• Programming language: Python, Matlab, C++

Languages

• English: Fluent & Korean: Native