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相关概念视频

MOS Capacitor01:25

MOS Capacitor

680
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
680
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

681
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
681
Capacitor With A Dielectric01:18

Capacitor With A Dielectric

3.9K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
3.9K
Capacitor in an AC Circuit01:23

Capacitor in an AC Circuit

2.6K
A capacitor is charged by passing an electric current through it, which causes the plates to start accumulating an electrostatic charge. Since the strength of the charging current is maximum when the capacitor plates are uncharged and gradually decreases exponentially until the capacitor is fully charged, the charging process is neither instantaneous nor linear. The property of a capacitor to store a charge on its plates is called its capacitance.
Consider a purely capacitive circuit consisting...
2.6K
Capacitors in Series and Parallel01:19

Capacitors in Series and Parallel

4.0K
Multiple capacitors connected serve as electrical components in various applications. These multiple capacitors behave as a single equivalent capacitor, and its total capacitance depends on the capacitance of individual capacitors and the type of connections. Capacitors can be arranged in two - orientations, either in series or parallel connections.
Suppose the capacitors are connected one after the other such that the negative terminal of the first connects to the positive terminal of the...
4.0K
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

1.0K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
1.0K

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相关实验视频

Updated: May 29, 2025

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
09:49

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx

Published on: May 13, 2020

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在memcapacitor交叉阵列中的2C-Ternary内容可定位存储器,具有NAND闪存结构.

Hwiho Hwang1, Junsu Yu2, Sangwook Youn1

  • 1Division of Materials Science and Engineering and Department of Semiconductor Engineering, Hanyang University, Seoul, 04763, South Korea.

Small (Weinheim an der Bergstrasse, Germany)
|February 5, 2025
PubMed
概括

这项研究引入了一种新的双mem电容三元内容可定位存储器 (TCAM) 单元,克服了传统TCAM的局限性,实现更快,更节能的内存计算. 新设计实现了高速搜索,耗电量最小.

关键词:
这是一个NAND闪光灯.交叉条形数组数组的交叉条形数组数组.在内存计算中的计算.电容器的 mem 电容器三元内容可定位存储器 (TCAM)

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Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
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Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

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A Method for Growing Bio-memristors from Slime Mold
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A Method for Growing Bio-memristors from Slime Mold

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相关实验视频

Last Updated: May 29, 2025

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
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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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Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
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Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

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A Method for Growing Bio-memristors from Slime Mold
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科学领域:

  • 材料科学 材料科学 材料科学
  • 计算机工程 计算机工程
  • 电气工程 电气工程

背景情况:

  • 三级内容可定位存储器 (TCAM) 提供高通量,低延迟计算的高效内存搜索.
  • 基于电阻非挥发性内存的TCAM具有有限的电阻比率,影响传感边际和能源效率.

研究的目的:

  • 提出并验证一种使用两个mem电容器 (2C-TCAM) 的新型TCAM细胞设计,以提高性能.
  • 解决现有的TCAM技术的局限性,特别是关于电阻比率和能源消耗.

主要方法:

  • 设计了一个2C-TCAM细胞架构,利用与NAND闪存阵列结构集成的mem电容器.
  • 实验验证包括制造和测量2C-TCAM电池的电气特性.
  • 使用24 × 48 mem电容交叉杆阵列演示了阵列级操作,并分析了系统性能.

主要成果:

  • 2C-TCAM设计实现了接近零的静电消耗,并通过电容读出最小化了红外下降效应.
  • 即使在大型阵列中,也保持了高度并行和可靠的搜索功能,保持了传感边缘.
  • 获得的搜索时间为47 ps,每位能量消耗为11.7 fJ,缩放细胞面积为1 μm2.

结论:

  • 拟议的2C-TCAM单元为节能和高性能内存计算提供了一个有前途的解决方案.
  • 基于memcapacitor的方法克服了传统TCAM中的关键挑战,使密集内存阵列的可靠运行成为可能.
  • 这项技术为数据密集型计算应用程序的进步铺平了道路,这些应用程序需要快速和低功耗的搜索功能.