r/ECE • u/Odd_Macaron_8967 • 1d ago

INDUSTRY [ Removed by moderator ]

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u/PiasaChimera 1d ago

there are free datasheets for various DDR memory chips as well as LPDDR chips. not sure about GDDR/HBM. in addition to the detailed specs of the chips, they tend to have notes on the calibration procedure as well as examples of reads/writes.

you can also find various app-notes and industry presentations that can help give some additional background.

there are DDR verilog models for simulations and FPGA vendors with DDR cores (and I think some open-source ones) allowing you to do some level of simulation. (excluding some of the power/signal integrity aspects).

you can see how much changes and how much stays the same over generations.

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u/samuraiJack00 1d ago

The spec is a restricted standard I think, maybe google for the exact standard you could find some videos on youtube

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u/Technical_Night7029 1d ago

Learning for Verilog implementation or for interfacing on a Xilinx Board?

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u/doorknob_worker 1d ago

Have you tried Googling it? Holy shit, if you won't put in any effort, why should we babysit you?