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DM368 DDR2仿真问题



TI工程师:

          您好,我在官网上下载了DM368的IBIS模型,仿真DDR2时,DM368的DDR2地址信号和其它控制信号,以及DQ信号均是input 模式,参见附件。按照datasheet上,它们应该分别为output 和inout才对吧?

  • 你好,

    对于DDR布线,我们不建议使用仿真,建议完全参考数据手册上DDR布线要求来做。

    如果你要更多理解TI在DDR布线上策略的原因,请参考文档:

    Understanding TI's PCB Routing Rule-Based DDR Timing Specification (Rev. A)