基于CNTFETs的功率优化的四级逻辑电路.
Ajay Rupani1, Deepika Bansal2, Kulbhushan Sharma3
1Department of Electronics and Communication Engineering, Manipal University Jaipur, Jaipur, India.
Discover nano
|October 14, 2025
概括
使用碳纳米管场效应晶体管 (CNTFET) 的新型四元逻辑门提高了计算效率. 这些电路,包括四进制半加量器,为未来的计算系统提供了改进的功率延迟产品.
科学领域:
- 电子 电子 电子 电子 电子 电子 电子
- 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:
- 高计算效率对于现代数字系统至关重要.
- 多值逻辑 (MVL) 电路,特别是四元逻辑,减少相互连接,增加数据传输速率.
- 碳纳米管场效应晶体管 (CNTFET) 为高性能逻辑电路提供了潜力.
研究的目的:
- 提出使用CNTFETs的新型标准四元逆变器 (SQI),SQNAND和SQNOR逻辑门.
- 设计一个使用这些新门的四元半加法器 (QHA).
- 评估拟议的四级电路的性能.
主要方法:
- 新型四元逻辑门 (SQI,SQNAND,SQNOR) 的设计,采用堆叠技术.
- 将这些门集成到一个四元半增子 (QHA) 电路中.
- 使用HSPICE与32nm CNTFET斯坦福模型模拟电路性能.
主要成果:
- 拟议的SQI,SQNAND和SQNOR电路在0.9V下运行,功率延迟产物 (PDP) 分别为0.776 aJ,1.523 aJ和2.746 aJ.
- 该QHA的功耗为1.01μW,PDP为0.806×10−16J.
- 与之前报告的设计相比,设计的QHA显示出更高的PDP.
结论:
- 拟议的基于CNTFET的四元逻辑门和QHA提供了高的计算效率.
- 新型设计显示出功率延迟产品的显著改进,使它们适合高级计算.
- 这些进步预计将有助于发展未来的计算系统.
相关概念视频
Field Effect Transistor
1.1K
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
1.1K
MOSFET: Enhancement Mode
739
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
739
MOSFET
1.1K
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
In an n-MOSFET, the structure includes n-type source and drain...
1.1K
Biasing of FET
644
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
644
Characteristics of MOSFET
860
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
860
Design Example: Capacitance Multiplier Circuit
1.4K
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.
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.
1.4K


