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相关概念视频

Neural Circuits01:25

Neural Circuits

Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...

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Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
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Published on: June 18, 2013

用于纳米处理器的可编程纳米线电路

Hao Yan1, Hwan Sung Choe, SungWoo Nam

  • 1Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA.

Nature
|February 11, 2011
PubMed
概括

研究人员使用纳米线晶体管开发了可编程逻辑,用于可扩展的纳米处理器. 这些新能够实现复杂的功能,为集成计算和内存系统推进自下而上的纳米电子电路设计.

科学领域:

  • 纳米电子和纳米技术
  • 材料科学 材料科学 材料科学
  • 计算机工程 计算机工程

背景情况:

  • 现有的纳米电子电路在复杂的纳米处理器的可扩展性和功能方面面临限制.
  • 之前使用纳米线和碳纳米管的努力实现了简单的逻辑门,但缺乏复杂性和集成性.
  • 由于它们的被动性,memristor阵列提供了有限的级联能力.

研究的目的:

  • 为先进的纳米处理器设计,制造和演示可编程和可扩展的逻辑.
  • 在纳米电路开发中克服材料,组装和建筑方面的挑战.
  • 实现创建具有集成计算和内存的多功能纳米电子系统.

主要方法:

  • 使用具有可编程值电压的Ge/Si核心/外纳米线制造非挥发性场效应晶体管 (FET).
  • 在一个紧的区域内 (∼960μm2) 集成496个功能配置FET节点的式架构的开发.
  • 编程和运行逻辑作为各种逻辑函数,包括完整的加法器,完整的减法器,多重复合器,脱多重复合器和D-latch.

主要成果:

  • 经过证明的单纳米线FET具有统一的可编程值电压,能够驱动级联元件.
  • 成功编程一个单一的逻辑来执行多个复杂的逻辑函数 (完整的加法器,减法器,复数器等). ) 的情况.

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  • 在完整的添加器配置中,实现了最大的电压增益为10和输入输出电压匹配.

    • 结论:

    • 开发的可编程逻辑代表了自下而上的纳米电子电路的复杂性和功能上的重大进步.
    • 瓦式架构促进了可扩展性和级联性,为完全集成的纳米处理器铺平了道路.
    • 这项工作使纳米处理器能够为未来的纳米系统提供结合的计算,内存和解决能力.