结构优化的SiC CMOS FinFET用于高温和低功耗SoC逻辑集成
Tae Seong Kwon1,2, Young Jun Yoon3, Do Yeon Park1,2
1Advanced Semiconductor Research Center, Power Semiconductor Research Division, Korea Electrotechnology Research Institute (KERI), Changwon, 51543, South Korea.
Scientific reports
|August 1, 2025
概括
这项研究优化了用于高温二元逆变器的碳化 (SiC) FinFET. 新设计克服了SiC CMOS中的挑战,使高级逻辑系统能够稳定高温运行.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 半导体物理 半导体物理
背景情况:
- 平面碳化 (SiC) CMOS技术面临的挑战是高次值波动 (SS) 和值电压 (Vth).
- 这些局限性阻碍了针对苛刻应用的基于SiC的高性能逻辑系统的开发.
研究的目的:
- 使用优化的基于SiC的CMOS FinFETs设计一个高温可操作的二元逆变器.
- 为了克服平面SiC CMOS技术中固有的SS和Vth挑战.
- 在高温下验证SiC CMOS FinFET的性能和稳定性.
主要方法:
- 利用3D技术计算机辅助设计 (TCAD) 模拟来优化基于SiC的CMOS FinFET的结构.
- 在SiC CMOS架构中整合了一个优化的结构.
- 分析了Vth和SS.的自我加热特性和温度依赖的行为 (高达700K) .
主要成果:
- 实现了1.83V (n型) 和2.54V (p型) 的优化Vth,并提高了73.33mV/十年 (n型) 和77.74mV/十年 (p型) 的SS值.
- 设计了一个以3.3V工作的二元逆变器,噪声边际为0.820V (300K),增益为13.3.
- 在700K时经过稳定的逆变器运行,噪声幅度为0.811V,增益为5.80.
结论:
- 优化的SiC CMOS FinFET为高温逻辑系统提供了强大的解决方案.
- 与平面SiC MOSFET相比,开发的FinFET架构显著改善了性能指标.
- 这些发现证实了SiC CMOS FinFETs在下一代高温应用中的潜力.
相关概念视频
MOS Capacitor
969
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...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
969
MOSFET: Enhancement Mode
478
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...
478
MOSFET
580
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...
580
Characteristics of MOSFET
499
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...
499
Biasing of FET
370
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...
370
Semiconductors
892
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
892


