HyperLynx – High Speed PCB Design Workshop - RTP Designers ...
HyperLynx – High Speed PCB Design Workshop - RTP Designers ...
HyperLynx – High Speed PCB Design Workshop - RTP Designers ...
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DDR <strong>Design</strong> Guidelines<br />
� What results are important<br />
— #3 This length does not have to be as tightly<br />
constrained as the other lengths since it only<br />
goes to a termination<br />
� No timing importance here<br />
— Typical constraint is from<br />
500 mils to 2”<br />
<strong>HyperLynx</strong> <strong>–</strong> <strong>High</strong> <strong>Speed</strong> <strong>PCB</strong> <strong>Design</strong> <strong>Workshop</strong><br />
DIMM Slot<br />
VDD<br />
#3<br />
37<br />
VTT<br />
VTT Pull-up Resistors