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DDR3 Series Termination Length Matching

Discussion in 'Physics' started by this_is_not_a_test, Oct 8, 2018.

  1. I am implementing a DDR3 interface on a PCB and I have a question regarding the termination of address/control/command/clk traces.

    I have series terminations for all the required traces mentioned above, my question is whether or not the traces going to these terminations require length matching or should they just be kept as short as possible and left as uneven termination stubs? To me it makes sense to keep them as short as possible even if lengths aren't matched well, but I wanted some other opinions on the matter :)


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