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6 layer PCB stack up

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ali_asadzadeh:

--- Quote ---It passes memtest running for over 2 days, but so far it's only one sample. I will be building a few more samples later to test.
--- End quote ---
Thanks for sharing, what FPGA or CPU are you using? any DDR part number to share?

OwO:
Zynq 7020. H5TQ4G63AFR. Get the -TEC suffix (2133 speed grade) if you want to go 1866Mb/s. Always get DDR3 components faster than the speed you are targeting, this way you will have more margin and a wider eye.

ali_asadzadeh:
Thanks OwO, is it a 4 layer job again? ;D ;) also open source or closed?

OwO:
https://github.com/gabriel-tenma-white/sdr6

New board, same DDR3 layout as sdr5. This time JLC doesn't offer PCBA on 0.1mm prepreg boards anymore, so I went with 0.2mm and adjusted resistors.

ali_asadzadeh:
Thanks for sharing,I have made suggestions in github  ^-^

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