基于查找表的电路老化检测传感器设计
PDF下载 (308)张海明,汪鹏君,张跃军.基于查找表的电路老化检测传感器设计[J].宁波大学学报(理工版),2019,32(4):25-31.DOI:
ZHANG Haiming,WANG Pengjun,ZHANG Yuejun.Look-up table based circuit aging detection sensor design[J].Journal of Ningbo University(Natural Science & Engineering Edition),2019,32(4):25-31.DOI:
| Title: | Look-up table based circuit aging detection sensor design |
| 作者: | 张海明, 汪鹏君, 张跃军 |
| Author(s): | ZHANG Haiming, WANG Pengjun, ZHANG Yuejun |
| 关键词: | 电路老化; 相位比较; 查找表; 老化检测 |
| Keywords: | circuit aging; phase comparison; look up table; aging detection |
| 分类号: | TP331 |
| 文献标识码: | A |
| 摘要: | 通过对电路老化检测与查找表(Look-Up Table, LUT)方法的研究, 提出一种基于查找表的电路老化检测传感器设计方案. 该方案首先建立老化压控振荡器(Voltage Controlled Oscillator, VCO)频率降级?tp和电压压降?VDC的老化模型, 通过老化感知电路产生基准频率和老化频率. 其次, 利用相位放大原理得到频差信号, 并采用计数基准VCO周期的方式将频差信号量化. 然后, 按LUT规则将老化信息以电压方式输出. 最后, 在TSMC 65nm CMOS工艺下仿真验证, 结果表明所设计的老化检测传感器感应分辨率为0.0018%, 老化模型计算值与仿真数据相对误差在9%以内, 能够实现电路老化检测的功能. |
| Abstract: | Based on the research of circuit aging detection and look-up table (LUT) method, a design scheme of aging detection sensor based on LUT output circuit is proposed. The scheme first establishes an aging model of aging voltage-controlled oscillator (VCO) frequency degradation ?tp and voltage drop ?VDC, which generates reference frequency and aging frequency through aging sensing circuit. Then, the frequency difference signals are obtained using the phase amplification principle. The frequency difference signal is quantized by counting the reference VCO period. Next, the aging information is output as voltage according to LUT rules. The simulation results of TSMC 65nm CMOS process show that the designed aging detection sensor has an inductive resolution of 0.0018%, and the relative error between the aging model calculation value and the simulation data is less than 9%, which can realize the function of circuit aging detection. |
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| 备注/Memo: | 收稿日期: 2018－09－06. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/基金项目: 浙江省自然科学基金（LY18F040002）; 国家自然科学基金（61874078, 61871244）; 浙江省公益项目（2016C31078）; 宁波大学研究生科研创新基金.第一作者: 张海明（1991－）, 男, 河北衡水人, 在读硕士研究生, 主要研究方向: 集成电路老化预测与检测. E-mail: 470927198@qq.com*通信作者: 汪鹏君（1966－）, 男, 浙江奉化人, 教授, 主要研究方向: 逻辑电路和低功耗集成电路. E-mail: wangpengjun@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
