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In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
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Nonvolatile reconfigurable sequential logic in a HfO2 resistive random access memory array.

Ya-Xiong Zhou1, Yi Li, Yu-Ting Su

  • 1Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan 430074, China. miaoxs@hust.edu.cn.

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|March 7, 2017
PubMed
Summary
This summary is machine-generated.

This study introduces a novel reconfigurable logic method using Hafnium oxide (HfO2)-based Resistive Random Access Memory (RRAM) arrays. This approach enables nonvolatile sequential logic and efficient Boolean function implementation for advanced computing systems.

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Area of Science:

  • Materials Science
  • Computer Engineering
  • Nanotechnology

Background:

  • Resistive Random Access Memory (RRAM) offers a path towards non-von Neumann computing architectures.
  • Reconfigurable logic with RRAM introduces temporal programmability for Boolean functions.

Purpose of the Study:

  • To propose a reconfigurable operation method for nonvolatile sequential logic using HfO2-based RRAM.
  • To demonstrate the implementation of multiple Boolean logic functions within the same hardware.

Main Methods:

  • Utilizing a HfO2-based RRAM array for logic operations.
  • Configuring RRAM devices in bipolar or complementary structures for flexible computation.
  • Experimentally implementing NAND and XOR logic functions.

Main Results:

  • Successfully implemented eight types of Boolean logic functions within the same hardware fabric.
  • Demonstrated the feasibility of nonvolatile sequential logic.
  • Theoretically designed a 1-bit full adder.

Conclusions:

  • The proposed method efficiently utilizes computing resources by balancing temporal and spatial complexity.
  • This approach is attractive for constructing logic-in-memory systems.
  • HfO2-based RRAM shows potential for reconfigurable logic and advanced computing architectures.