你真的了解DDR4么？看官方全景讲解-快科技-科技改变生活

你真的了解DDR4么？看官方全景讲解

上方文Q
2013年03月04日 11:19
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接口对比。

功能特性对比。

更低的电压：这是每一代DDR进化的必备要素，DDR4已经降至1.2V，而且这只是标准版，低压版还在商讨之中。

伪开漏信号：DDR4降低了I/O电流消耗。

数据总线倒置(DBI)：可降低VDDQ电流、减少数据切换操作。

Bank分组优化调度：DDR3里的所有Bank都是共享I/O栅极结构的，DDR4则进行了分组，不同分组之间的写入-读取转换速度会更快。

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