Charge-trap synaptic device with polycrystalline silicon channel for low power in-memory computing

MK Park, J Hwang, S Kim, W Shin, W Shim, JH Bae… - Scientific Reports, 2024 - nature.com
Abstract Processing-in-memory (PIM) is gaining tremendous research and commercial
interest because of its potential to replace the von Neumann bottleneck in current computing …

Neurons with captive synaptic devices for temperature robust spiking neural networks

K Park, S Kim, MH Baek, B Jeon… - IEEE Electron Device …, 2023 - ieeexplore.ieee.org
Synaptic devices store the synaptic weight in spiking neural networks (SNNs). However,
because synaptic devices are based on memory cells, their synaptic weights are vulnerable …

Lateral Migration‐based Flash‐like Synaptic Device for Hybrid Off‐chip/On‐chip Training

MK Park, J Hwang, KM Lee, SY Woo… - Advanced Electronic …, 2024 - Wiley Online Library
An increase in the demand for artificial intelligence is leading to advanced research in the
field of neuromorphic systems, which imitate human brain functions with the hope of …

Hardware-based ternary neural network using AND-type poly-Si TFT array and its optimization guideline

D Kwon, MK Park, WM Kang, J Hwang… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Thin-film transistor (TFT)-type synaptic devices with poly-Si channels have the benefits of
compatibility with the CMOS process, high reliability, and low power consumption. However …

Multifunctional In‐Memory Analog‐to‐Digital Converter for Next‐Gen Compute‐in‐Memory Systems

J Im, J Ko, J Hwang, J Kim, W Shin… - Advanced Intelligent …, 2024 - Wiley Online Library
Compute‐in‐memory (CIM) technology based on emerging nonvolatile memories (NVMs)
has shown promise in enhancing artificial intelligence applications by integrating …

A Quantized-Weight-Splitting Method of RRAM Arrays for Neuromorphic Applications

K Park, S Kim, JH Park, WY Choi - IEEE Access, 2024 - ieeexplore.ieee.org
In asynchronous Spiking Neural Networks (SNNs), the voltage division between passive
resistive random-access memory (RRAM) arrays and neuron circuits presents a significant …

NOR-type Flash Array Based on Four-terminal TFT Synaptic Devices Capable of Selective Program/Erase Exploiting Fowler-Nordheim Tunneling

J Hwang, MK Park, WM Kang, RH Koo… - IEEE Electron …, 2024 - ieeexplore.ieee.org
A NOR-type flash array is proposed as a synaptic device array for on-chip training
neuromorphic systems. Compared to the previously proposed AND-type array, the …

Analysis Method of Dynamic Read Variation in a TFT-Type Synaptic Devices With Poly-Si Channel Structure

MK Park, J Hwang, HN Yoo, JH Bae… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A novel method of analyzing the dynamic read variation (equivalent gate bias deviation [()]
over a wide gate-voltage range of devices is proposed and applied to CMOS-compatible …

Resting-Potential-Adjustable Soft-Reset Neuron for Reliable Neuromorphic Systems

박경철 - 2024 - s-space.snu.ac.kr
Recently, spiking neural networks (SNNs) have garnered significant attention owing to their
high energy efficiency, leading to considerable research advancements. These …

Lateral Migration-based TFT-type Flash Memory for Hardware-based Neural Networks

박민규 - 2024 - s-space.snu.ac.kr
The growing interest in artificial intelligence has accelerated research in neuromorphic
systems, which aim to replicate the functions of the human brain with the hope of increasing …