在纳米数字电路中,TID-Aware高效标准细胞表征及其应用到路径级计时性能
Lomash Chandra Acharya1, Khoirom Johnson Singh2, Neha Gupta1
1Electronics and Communication Engineering, Indian Institute of Technology Roorkee, Roorkee, Roorkee, UK, 247667, INDIA.
Nanotechnology
|December 9, 2025
概括
这项研究引入了一种新的方法,用于纳米级CMOS电路中的标准细胞的表征,并考虑了总电离剂量 (TID) 效应. 该方法在辐射环境中确保了准确的时间预测,提高了数字电路的可靠性.
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:
- 纳米级CMOS技术在辐射丰富的环境中面临着可靠性挑战.
- 标准细胞库缺乏总电离剂量 (TID) 效应的表征.
- TID会降低晶体管的参数,导致关键应用中的时间不准确.
研究的目的:
- 开发一种高效的,对TID有意识的标准细胞表征方法.
- 为了生成自由格式的抗辐射细胞特征数据.
- 为了能够在TID影响下准确地预测关闭时间,而无需SPICE开销.
主要方法:
- 使用32nm Synopsys© Sentaurus TCAD模拟用于TID效应建模.
- 采用变化感知分析定时模型来捕捉辐射诱导的退化.
- 在细胞网清单中调整了BSIM参数,以创建辐射前和辐射后的库.
主要成果:
- 在辐射下的参考设计中实现了准确的路径级定时预测.
- 将SPICE模拟工作量减少了大约81.25%.
- 在自由格式中生成了TID-aware标准单元库.
结论:
- 拟议的方法为抗辐射的数字IC设计提供了实际的解决方案.
- 桥梁设备级辐射效应与细胞级时间抽象.
- 在恶劣的环境中确保强大的数字电路性能,如航空航天和核电子.
相关概念视频
Semiconductors
1.4K
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...
1.4K
Non-ohmic Devices
1.4K
In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
1.4K


