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DDR3系统混合建模与协同仿真 被引量:1

Co-Design of DDR3 System Based on Mixed Modeling
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摘要 DDR3存储器已经成为目前服务器和计算机系统的主流应用,虽然DDR3采用双参考电压、片上校准引擎、动态ODT、fly-by拓扑以及write-leveling等技术在一定程度上提高了信号完整性,但设计实现高数据率仍然比较困难.针对某自研处理器及服务器主板设计,采用混合建模方法,建立了由芯片I/O、封装、PCB、过孔、连接器和DIMM条组成的DDR3的全通道信号完整性仿真平台,通过频域仿真,比较通道中各种无源组件引入的插损和回损,通过时域仿真,分析各组件对接收眼图的不同影响程度,实现Chip,Package,PCB的协同仿真与设计优化,达到了预期指标. DDR3存储器已经成为目前服务器和计算机系统的主流应用,虽然DDR3采用双参考电压、片上校准引擎、动态ODT、fly-by拓扑以及write-leveling等技术在一定程度上提高了信号完整性,但设计实现高数据率仍然比较困难.针对某自研处理器及服务器主板设计,采用混合建模方法,建立了由芯片I/O、封装、PCB、过孔、连接器和DIMM条组成的DDR3的全通道信号完整性仿真平台,通过频域仿真,比较通道中各种无源组件引入的插损和回损,通过时域仿真,分析各组件对接收眼图的不同影响程度,实现Chip,Package,PCB的协同仿真与设计优化,达到了预期指标.
出处 《计算机研究与发展》 EI CSCD 北大核心 2012年第S1期324-329,共6页 Journal of Computer Research and Development
基金 国家自然科学基金项目(60873212)
关键词 DDR3 存储器 混合建模 协同仿真 DDR3 memory mixed modeling SI co-simulation
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参考文献7

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共引文献13

同被引文献15

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