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Using Digitally Controlled Impedance: Signal Integrity vs Power Dissipation Cons

Rancho
高工
2012-05-13 09:33:38     打赏

On-die termination (ODT) promises higher signaling rates for printed circuit board (PCB) inter-chip interfaces through improved signal integrity. However, when using ODT, there is sometimes an associated power penalty. This application note explains the reason for the power penalty and suggests a simulation technique for comparing the signal integrity and power dissipation of internally and externally terminated versions of an interface.

xapp863.pdf

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关键词： Using     Digitally     Controlle    

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