CCF: Medium: Collaborative Research: SHF: Cascode: Supporting and Leveraging Voltage Stacking in Future Microprocessors

CCF：中：协作研究：SHF：共源共栅：支持和利用未来微处理器中的电压堆叠

• 批准号: 1514284
• 负责人: Jose Renau
• 金额: $ 28.5万
• 依托单位: University of California-Santa Cruz
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-06-15 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1514284&HistoricalAwards=false
• 关键词: CCF; Medium; Collaborative; Research; SHF

Power dissipation is increasingly becoming the central issue in almost all computing and communication systems from mobile devices to warehouse-scale systems. This project investigates a technology that can shave off at least a few percent of chip energy of all chips by targeting one particular aspect of power consumption that has not received as much attention as others: power delivery. In addition to the team of investigators, the project will involve graduate and undergraduate students, include members of underrepresented groups and will thus help enlarge the nation?s workforce in information technologies.Today's chips operate at low voltages (about 1V) to reduce power consumption. However, delivering the power at low voltage is problematic. For instance, it results in more delivery loss (in the real world, electricity is transported at voltages thousands of times higher than that of the usage voltage). This project will be investigating a solution called the Cascode power delivery system, which stacks multiple planes of circuit to naturally increase the effective usage (and therefore delivery) voltage. This design is not only likely to bypass some fundamental problems with other means of increasing power delivery voltage (such as using on-chip voltage converters), but also to creates new architectural opportunities such as improved communication circuits with higher voltages and better capabilities to compensate variations in the fabrication process.

功耗日益成为从移动设备到仓库规模系统的几乎所有计算和通信系统的中心问题。该项目研究了一种技术，该技术可以通过针对功耗的一个特定方面（尚未受到其他方面那么多的关注：电力传输）来削减所有芯片至少百分之几的芯片能量。除了研究团队之外，该项目还将涉及研究生和本科生，其中包括代表性不足群体的成员，从而有助于扩大国家信息技术领域的劳动力。当今的芯片在低电压（约 1V）下运行，以降低功耗。然而，以低电压输送电力是有问题的。例如，它会导致更多的传输损耗（在现实世界中，电力传输的电压比使用电压高数千倍）。该项目将研究一种称为 Cascode 电力传输系统的解决方案，该系统堆叠多个电路平面以自然地增加有效使用（并因此提高传输）电压。这种设计不仅有可能绕过其他提高供电电压的方法（例如使用片上电压转换器）的一些基本问题，而且还可以创造新的架构机会，例如改进的通信电路具有更高的电压和更好的能力来补偿制造过程中的变化。