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2 votes
1 answer
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DDR4 Routing Consideration on pcb (no DIMM)

I need to route DDR4x2(3200MHz) to my FPGA. my stackup is 12 Layers, TH Via only, and thickness of 2mm PCB. my question regard which layer to route the FPGA to DDR4, when the two component on the TOP(...
Knowledge's user avatar
  • 471
2 votes
0 answers
66 views

USB to FTDI connection

I try to connect USB 2.0 to a FTDI FT2232HL. This is my first high speed layout. I am planning to use 2-layer board 1.6 mm. I know that I have to keep 50 Ω Z0 and 90 Ω Zdiff. However with the 2-layer ...
Pavs's user avatar
  • 21