Intel® Stratix® 10 High-Speed LVDS I/O User Guide

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ID 683792
Date 3/28/2022
Public
Document Table of Contents

3.2.4.2. Example: RSKM Calculation

This example shows the RSKM calculation for FPGA devices at 1 Gbps data rate with a 200 ps board channel-to-channel skew.
  • TCCS = 100 ps
  • SW = 300 ps
  • TUI = 1000 ps
  • Total RCCS = TCCS + Board channel-to-channel skew = 100 ps + 200 ps = 300 ps
  • RSKM = (TUI – SW – RCCS) / 2 = (1000 ps – 300 ps – 300 ps) / 2 = 200 ps

If the RSKM is greater than 0 ps after deducting transmitter jitter, the non-DPA receiver will work correctly.

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