PUBLICATION

Journal Papers (International)

[18] S.-W. Choi, K.-H. Seong, S.-H. Lee, K.-H. Baek, and Y. Shim, "Noise Immunity-Enhanced Capacitance Readout Circuit for Human Interaction Detection in Human Body Communication Systems," Electronics, vol. 11, no. 4, pp. 577, Feb. 2022

[17] M.-G. Yang, N.-S. Pham, S.-W. Choi, K.-Y. Chung, K.-H. Baek, and Y. Shim, "SIMO DC-DC Converter with Low-Complexity Hybrid Comparator-Charge Control," Energies, vol. 15, no. 3, pp. 783, Jan. 2022

[16] Y. Shim, S.-W. Choi, M.-G. Yang, K.-Y. Chung, and K.-H. Baek, "Energy Efficient Distance Computing: Application to K-Means Clustering," Electronics, vol. 11, no. 3, pp. 298, Jan. 2022

[15] V.-T. Dang, M.-G. Yang, Y. Shim, W.-J. Lee, and K.-H. Baek, "An Accurate Time-Based MPPT Circuit With Two-Period Tracking Algorithm and Convergence Range Averaging Technique for IoT Applications," IEEE ACCESS, vol. 9, pp. 31401-31410, Mar. 2021

[14] D.-K. Jung, K.-H. Seong, J.-S. Han, Y. Shim, and K.-H. Baek, "A 0.5 V 10 b 3 MS/s 2-then-1b/cycle SAR ADC with Digital-based Time-Domain Reference and Dual-Mode Comparator," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 3, Feb. 2021

[13] J.-S. Han, T.-H. Eom, S.-W. Choi, K.-H. Seong, D.-H. Yoon, Tony T.-H. Kim, K.-H. Baek, and Y. Shim, "A Reference-Sampling Based Calibration-Free Fractional-N PLL with a PI-Linked Sampling Clock Generator," Sensors, vol. 21, no. 20, pp. 6824, Jan. 2021

[12] M.-S. Koo, M. R. Pufall, Y. Shim, A. B. Kos, G. Csaba, W. Porod, WH Rippard, and K. Roy, "Distance Computation Based on Coupled Spin-Torque Oscillators: Application to Image Processing," Physical Review Applied, vol. 14, no. 3, pp. 034001, Sep. 2020

[11] M.-S. Koo, G. Srinivasan, Y. Shim, K. Roy, "SBSNN: Stochastic-bits enabled binary spiking neural network with on-chip learning for energy efficient neuromorphic computing at the edge," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 67, no. 8, pp. 2546-2555, Mar. 2020

[10] A. Agrawal, I. Chakraborty, D. Roy, U. Saxena, S. Sharmin, M.-S. Koo, Y. Shim, G. Srinivasan, C. Liyanagedera, A. Sengupta, and K. Roy, "Revisiting stochastic computing in the era of nanoscale nonvolatile technologies," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 28, no. 12, pp. 2481-2494, May. 2019

[09] K. Roy, A. Sengupta, and Y. Shim, "Perspective: Stochastic magnetic devices for cognitive computing," Journal of Applied Physics, vol. 123, no. 21, pp. 210901, Jun. 2018

[08] Y. Shim, A. Sengupta, and K. Roy, "Biased random walk using stochastic switching of nanomagnets: Application to SAT solver," IEEE Transactions on Electron Devices, vol. 65, no. 4, pp. 1617-1624, Mar. 2018

[07] Y. Shim, S. Chen, A. Sengupta, and K. Roy, "Stochastic spin-orbit torque devices as elements for bayesian inference," Scientific reports, vol. 7, no. 1, pp. 1-9, Oct. 2017

[06] S. Sharmin, Y. Shim, and K. Roy, "Magnetoelectric oxide based stochastic spin device towards solving combinatorial optimization problems," Scientific reports, vol. 7, no. 1, pp. 1-9, Sep. 2017

[05] K. Yogendra, C. Liyanagedera, D. Fan, Y. Shim, and K. Roy, "Coupled spin-torque nano-oscillator-based computation: A simulation study," ACM Journal on Emerging Technologies in Computing Systems (JETC), vol. 13, no. 4, pp. 1-24, Jul. 2017

[04] Y. Shim, A. Jaiswal, and K. Roy, "Ising computation based combinatorial optimization using spin-Hall effect (SHE) induced stochastic magnetization reversal," Journal of applied physics, vol. 121, no. 19, pp. 193902, May. 2017

[03] A. Sengupta, Y. Shim, and K. Roy, "Proposal for an all-spin artificial neural network: Emulating neural and synaptic functionalities through domain wall motion in ferromagnets," IEEE transactions on biomedical circuits and systems, vol. 10, no. 6, pp. 1152-1160, May. 2016

[02] D. Fan, Y. Shim, A. Raghunathan, and K. Roy, "STT-SNN: A spin-transfer-torque based soft-limiting non-linear neuron for low-power artificial neural networks," IEEE Transactions on Nanotechnology, vol. 14, no. 6, pp. 1013-1023, Jun. 2015

[01] K.-H. Sohn, T.-S. Na, I.-D. Song, Y. Shim, W.-I. Bae, S.-H. Kang, D.-S. Lee, H.-G. Jung, S.-H. Hyun, H.-K. Jeoung, K.-W. Lee, J.-S. Park, J.-E. Lee, B.-H. Lee, I.-W. Jun, J.-S. Park, J.-H Park, H.-D. Choi, S.-H Kim, H.-Y. Chung, Y. Choi, D.-H. Jung, B.-C. Kim, J.-H. Choi, S.-J. Jang, C.-W. Kim, J.-B. Lee, and J.-S. Choi, "A 1.2 V 30 nm 3.2 Gb/s/pin 4 Gb DDR4 SDRAM with dual-error detection and PVT-tolerant data-fetch scheme," IEEE journal of solid-state circuits, vol. 48, no. 1, pp. 168-177, Sep. 2012

Conference Papers (International)

[06] Y. Shim, A. Jaiswal, and K. Roy, "Stochastic Switching of SHE-MTJ as a Natural Annealer for Efficient Combinatorial Optimization," IEEE International Conference on Computer Design (ICCD), Nov. 2017

[05] Y. Shim, A. Sengupta, and K. Roy, "Low-power approximate convolution computing unit with domain-wall motion based" spin-memristor" for image processing applications," Proceedings of the 53rd Annual Design Automation Conference (DAC), Jun. 2016

[04] K. Yogendra, D. Fan, Y. Shim, M.-S. Koo, and K. Roy, "Computing with coupled spin torque nano oscillators," 21st Asia and South Pacific Design Automation Conference (ASP-DAC), Jan. 2016

[03] T.-S. Na, Y. Shim, I.-D. Song, J.-K. Kim, S.-H. Hyun, J.-B. Kim, J.-H. Choi, C.-W. Kim, J.-B. Lee, and J.-S. Choi, "A Heterogeneous Dual DLL and Quantization error minimized ZQ calibration for 30nm 1.2 V 4Gb 3.2 Gb/s/pin DDR4 SDRAM," Symposium on VLSI Circuits, Jun. 2013

[02] Y.-K. Jo, Y. Shim, S.-H Kim, S.-K. Kim, and K.-J. Cho, "A mixed-structure delay locked-loop with wide range and fast locking," IEEE International Symposium on Circuits and Systems, May. 2006

[01] Y. Shim, Y.-K. Jo, S.-H. Kim, S.-K. Kim, and K.-J. Cho, "A register controlled delay locked loop using a TDC and a new fine delay line scheme," IEEE International Symposium on Circuits and Systems, May. 2006

Journal / Conference Papers (Domestic)

Patents (International)

[08] J. P. Kulkarni, Y. Shim, and P. A. Meinerzhagen, "Apparatus and method for reducing di/dt," US patent, US11079830, Aug. 2021

[07] J. P. Kulkarni, Y. Shim, P. A. Meinerzhagen, and M. M. Khellah, "Bi-directional multi-mode charge pump," US patent, US10511224, Dec. 2019

[06] Y. Shim, J. P. Kulkarni, P. A. Meinerzhagen, and M. M. Khellah, "Apparatus and method for reducing di/dt during power wake-up," US patent, US9755631, Sep. 2017

[05] W.-J. Yun, and Y. Shim, "Electronic device having a delay locked loop, and memory device having the same," US patent, US9654093, May. 2017

[04] Y. Shim, and W.-J. Yun, "Duty cycle error detection device and duty cycle correction device having the same," US patent, US9501041, Nov. 2016

[03] Y. Shim, I.-D. Song, and Y. Choi, "Memory device and method for driving the same," US patent, US9269412, Feb. 2016

[02] Y. Shim, and I.-D. Song, "Semiconductor memory device with signal reshaping and method of operating the same," US patent, US9230621, Jan. 2016

[01] Y. Shim, S.-J. Bae, and W.-J. Yun, "Input buffer and memory device including the same," US patent, US9214202, Dec. 2015