Category: External memory interface
Tools: Quartus® Prime / Quartus II
device:-


Typical calibration time is 50-250ms, but the time varies depending on various factors such as bus width, number of ranks, frequency, board layout, etc.
Please consider it as a guide only.

For more information, please refer to the following documents.
https://www.altera.com/en_US/pdfs/literature/hb/external-memory/emi_ip.pdf
(Search for Calibration Time.)