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分隔控制翻转机的设备和电路协同优化,防止老化向低压应用
Yuexin Zhao1, Jingjing Tan1, Lin Chen1,2
1College of Integrated Circuits and Micro-Nano Electronics, Fudan University, Shanghai 200433, China.
Micromachines
|January 28, 2026
概括
这项研究引入了一种新的晶体管级技术,以减少低压分割控制翻转机 (SCFF) 的老化效应. 该方法显著提高了可靠性,并减少了物联网设备等超低功耗应用程序的时间延迟.
科学领域:
- 电气工程 电气工程
- 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:
- 晶体管缩小规模加剧了诸如偏差温度不稳定性 (BTI) 和热载体注入 (HCI) 等衰老机制.
- 这些衰老效应对低压集成电路中的翻盘产生了重大影响,这对物联网和生物医学应用至关重要.
- 对于在降低供应电压下运行的纳米级集成电路而言,可靠性挑战很大.
研究的目的:
- 提出和评估一种新的晶体管级缓解技术,用于低压分割控制翻转机 (SCFF) 的老化.
- 为了提高SCFF在超低供应电压下运行的可靠性和性能.
- 在特定的14nm工艺库中解决关键的衰老机制.
主要方法:
- 在SCFF架构中对衰老关键晶体管的详细分析.
- 在晶体管层面制定和实施三个有针对性的增强策略.
- 使用国内的14nm过程库进行了广泛的模拟,以验证拟议的技术.
主要成果:
- 在PMOS值电压降解方面实现了60%以上的降低.
- 对于改进的SCFF来说,时间延迟减少了40%.
- 在低至0.4V的供应电压下确认了稳健的运行.
结论:
- 拟议的晶体管级缓解技术有效地解决了低压SCFF的老化影响.
- 这种方法显著提高了SCFF在低压条件下的可靠性和性能.
- 这项工作为在电力敏感应用中延长集成电路的运行寿命提供了可行的解决方案.
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