IO Standard for GTS Transceiver REFCLK

Question

Hi, We use on the Agilex 5 and 3 Transceivers with AC coupling.

Agilex 5 requires CML, HCSL in Agilex 5 datasheet.
However, Agilex 5 Premium kit uses LVDS Clock for some Transceiver REFCLK.

Is it possible to use LVDS as REFCLK for XCVRs when we use with AC Coupling ?

jonway_c_intel · Accepted Answer

Yes — LVDS can be used as a REFCLK for Agilex&nbsp;5 (and Agilex&nbsp;3) transceivers if it is AC‑coupled and its common‑mode voltage/swing are translated into the allowed CML/HCSL input range.

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IO Standard for GTS Transceiver REFCLK

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