一种具有锁定检测结构的新型抗SET效应DLL设计技术
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  • 英文篇名:A New SET-Tolerant Radiation-Hardened DLL Design with Lock Detector
  • 作者:曹天骄 ; 吴龙胜 ; 李海松 ; 韩本光
  • 英文作者:CAO Tian-jiao;WU Long-sheng;LI Hai-song;HAN Ben-guang;Xi'an Microelectronics Technology Institute;
  • 关键词:延迟锁相环 ; 电荷泵 ; SET加固 ; 锁定检测结构
  • 英文关键词:delay locked loop;;charge pump;;SET-tolerate;;lock detector
  • 中文刊名:WXYJ
  • 英文刊名:Microelectronics & Computer
  • 机构:西安微电子技术研究所;
  • 出版日期:2017-09-05
  • 出版单位:微电子学与计算机
  • 年:2017
  • 期:v.34;No.400
  • 语种:中文;
  • 页:WXYJ201709016
  • 页数:5
  • CN:09
  • ISSN:61-1123/TN
  • 分类号:83-87
摘要
针对延迟锁相环的结构和对单粒子效应敏感性的分析,提出了一种具有锁定检测结构的新型抗SET加固DLL结构,该结构能在满足原有DLL性能指标的前提下实现对SET效应的加固,保证DLL正交四相时钟的正确输出.基于65nm CMOS工艺进行电路设计仿真,结果显示在500 MHz工作频率下,此DLL功能正确,抗SET性能良好,SET阈值达到100 MeV·cm2/mg,在空间辐射环境中具有很好的稳定性.
        This paper presents a new radiation-hardened by design DLL in 65 nm CMOS fabrication process.The proposed DLL uses a lock detector to avoid the lock error and phase error in SET(Single-event Transient)response.The simulation results demonstrate that the proposed DLL can generate quadrature phase clock in a 500 MHz with high reliability and the SET threshold is better than 100 MeV·cm2/mg,has great stability in space.
引文
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