2T1R Regulated Memristor Conductance Control Array Architecture for Neuromorphic Computing using 28nm CMOS Technology

Fuente: arXiv
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Main Authors: Kuriakose, Neethu, Ashok, Arun, Grewing, Christian, Zambanini, André, van Waasen, Stefan
Format: Preprint
Published: 2025
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author Kuriakose, Neethu
Ashok, Arun
Grewing, Christian
Zambanini, André
van Waasen, Stefan
author_facet Kuriakose, Neethu
Ashok, Arun
Grewing, Christian
Zambanini, André
van Waasen, Stefan
contents Memristors are promising devices for scalable and low power, in-memory computing to improve the energy efficiency of a rising computational demand. The crossbar array architecture with memristors is used for vector matrix multiplication (VMM) and acts as kernels in neuromorphic computing. The analog conductance control in a memristor is achieved by applying voltage or current through it. A basic 1T1R array is suitable to avoid sneak path issues but suffer from wire resistances, which affects the read and write procedures. A conductance control scheme with a regulated voltage source will improve the architecture and reduce the possible potential divider effects. A change in conductance is also possible with the provision of a regulated current source and measuring the voltage across the memristors. A regulated 2T1R memristor conductance control architecture is proposed in this work, which avoids the potential divider effect and virtual ground scenario in a regular crossbar scheme, as well as conductance control by passing a regulated current through memristors. The sneak path current is not allowed to pass by the provision of ground potential to both terminals of memristors.
format Preprint
id arxiv_https___arxiv_org_abs_2505_12830
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle 2T1R Regulated Memristor Conductance Control Array Architecture for Neuromorphic Computing using 28nm CMOS Technology
Kuriakose, Neethu
Ashok, Arun
Grewing, Christian
Zambanini, André
van Waasen, Stefan
Emerging Technologies
Hardware Architecture
Systems and Control
Memristors are promising devices for scalable and low power, in-memory computing to improve the energy efficiency of a rising computational demand. The crossbar array architecture with memristors is used for vector matrix multiplication (VMM) and acts as kernels in neuromorphic computing. The analog conductance control in a memristor is achieved by applying voltage or current through it. A basic 1T1R array is suitable to avoid sneak path issues but suffer from wire resistances, which affects the read and write procedures. A conductance control scheme with a regulated voltage source will improve the architecture and reduce the possible potential divider effects. A change in conductance is also possible with the provision of a regulated current source and measuring the voltage across the memristors. A regulated 2T1R memristor conductance control architecture is proposed in this work, which avoids the potential divider effect and virtual ground scenario in a regular crossbar scheme, as well as conductance control by passing a regulated current through memristors. The sneak path current is not allowed to pass by the provision of ground potential to both terminals of memristors.
title 2T1R Regulated Memristor Conductance Control Array Architecture for Neuromorphic Computing using 28nm CMOS Technology
topic Emerging Technologies
Hardware Architecture
Systems and Control
url https://arxiv.org/abs/2505.12830