通过深度路径活动检测实现负设计边缘,结合55nm近值32位微控制器中的动态电压缩放
Run-Ze Yu1, Zhen-Hao Li1, Xi Deng1
1School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China.
Sensors (Basel, Switzerland)
|September 9, 2023
概括
本研究引入了一种新的计时错误预测方法,用于在接近/低于值电压下运行的节能数字电路. 该方法通过调整预测窗口和供应电压来显著降低能源消耗,这对于物联网设备至关重要.
科学领域:
- 电气工程 电气工程
- 计算机架构 计算机架构
- 低功耗设计 低功耗设计
背景情况:
- 数字电路对于物联网和可穿戴设备等应用程序需要能源效率.
- 接近/低于值的操作在时间错误预测和错误预测方面存在挑战.
研究的目的:
- 为接近/低于值的数字电路开发一种创新的计时错误预测方法.
- 提高低压数字系统的能源效率.
主要方法:
- 在时钟上升边缘之前,在可调节的窗口内评估深度路径活动.
- 动态调整基于错误检测的预测窗口和供应电压.
- 在一个接近/低于值的32位微处理器中实施该策略.
主要成果:
- 在最低能量点 (15 MHz) 实现了46.95%的能量减耗,相比起签约边缘.
- 与零利率运行相比,显示了19.75%的能源减少.
- 该系统在0.4V-1.2V (5-100 MHz) 范围内运行,占地面积的6.84%.
结论:
- 提出的时间错误预测策略有效地减轻了低压操作中的错误预测.
- 这种方法显著提高了自适应数字电路的能源效率.
- 该方法在32位微处理器上得到了验证,显示了其实际可用性.
相关概念视频
MOSFET: Enhancement Mode
378
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...
378
MOSFET: Depletion Mode
389
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...
389
Biasing of FET
307
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...
307
Voltage Doubler Circuit
642
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
642
MOSFET
508
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...
508
PD Controller: Design
276
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
276


