Please tell me how long it takes for Stratix IV GX's CDR (clock data recovery) to lock to the Reference Clock.

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How long does it take the Stratix IV GX CDR (clock data recovery) to lock to the Reference Clock?

Clock/PLL

The lock time is shown in the parameter “CDR LTR time” in the Device Handbook at the URL link below.
Search for the keyword “CDR LTR time” to see the values.

https://www.altera.com/en_US/pdfs/literature/hb/stratix-iv/stratix4_handbook.pdf

This value represents the time from when the rx_analogreset signal is deasserted to when the rx_pll_locked signal goes high.

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