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电容,接线对于DDR3内存的测量

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原标题:Capacitor, Wireing Measures Target Noise of DDR3 Memory
主要内容: 在面前内存高速,大容量的提升下,村田制作所在本文中介绍了一种针对噪声的测量方法,还提供了一种减少接线面积测量MCU评估板上的DDR3的实例。
Capacitor, Wiring Measures Target
Noise of DDR3 Memory


R
ecently, DRAM’s performance
is being sped up and its tech-
nology has been shifting from
DDR2 (double data rate 2) to
high-frequency and large-capacity DDR3.
As a result, the power supply line of DDR
encounters high-frequency power supply
noise. The noise of the power supply also
causes a problem of jitter and signals are
negatively affected. On the other hand,
the signal of DDR is differentially trans-
ferred, so the number of wiring between
the memory controller and the memory
IC is increasing. In relation, the rule of
equal length wiring makes board design
difficult.
This article from Murata Manufactur-
ing ……
电容,接线对于DDR3内存的测量
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