Low Latency 40-Gbps Ethernet IP Core User Guide

ID 683745
Date 3/08/2021
Document Table of Contents

2.7.4. Handling Potential Jitter in Intel® Arria® 10 Devices

The RX path in the LL 40GbE core includes cascaded PLLs. Therefore, the IP core clocks might experience additional jitter in Intel® Arria® 10 devices.

Refer to the KDB Answer How do I compensate for the jitter of PLL cascading or non-dedicated clock path for Arria 10 PLL reference clock? for a workaround you should apply to the IP core, in your design.