| Electronics > Projects, Designs, and Technical Stuff |
| 6 layer PCB stack up |
| << < (3/3) |
| 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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