Microchip RTG4 FPGA: Reference Clocks for SerDes REFCLK Inputs and Interface Circuits

This application note from Microchip Technology provides essential guidance on selecting and implementing reference clock (REFCLK) sources for the RTG4 radiation-tolerant FPGA's SerDes inputs. It details various clock types, including LVDS, LVPECL, and CMOS, along with their interface circuits, voltage specifications, and performance characteristics. The document aims to help engineers achieve optimal signal integrity and jitter performance for their high-speed serial interface designs.

Key Topics Covered:

Overview of RTG4 FPGA REFCLK input types.
Recommendations for Vectron oscillator models and interface circuits.
Detailed specifications for LVDS, LVPECL, and CMOS clock inputs.
Analysis of voltage requirements and driver output data.
Jitter measurements and eye diagrams for various clocking schemes.

This document serves as a valuable resource for engineers working with Microchip's RTG4 FPGAs, offering practical insights into clocking strategies for high-performance serial communication.

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Microchip RTG4 FPGA: Reference Clocks for SerDes REFCLK Inputs and Interface Circuits

Key Topics Covered:

References

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