PCB Design Guidelines (HSSI, EMIF, MIPI, True Differential, PDN) User Guide: Agilex™ 5 FPGAs and SoCs
ID
821801
Date
8/29/2025
Public
1. Overview
2. BGA Footprint and Land Pattern
3. General PCB Design Considerations
4. VPBGA PCB Routing Guidelines
5. MBGA PCB Routing Guidelines
6. EMIF PCB Routing Guidelines (VPBGA and MBGA)
7. MIPI Interface Layout Design Guidelines (VPBGA and MBGA)
8. True Differential I/O Interface PCB Routing Guidelines (VPBGA and MBGA)
9. Power Distribution Network Design Guidelines
10. Document Revision History for the PCB Design Guidelines (HSSI, EMIF, MIPI, True Differential, PDN) User Guide: Agilex™ 5 FPGAs and SoCs
9.1. Agilex™ 5 Power Distribution Network Design Guidelines Overview
9.2. Power Delivery Overview
9.3. Board Power Delivery Network Recommendations
9.4. Board LC Recommended Filters for Noise Reduction in Combined Power Delivery Rails
9.5. PCB PDN Design Guideline for Unused GTS Transceiver
9.6. PCB Voltage Regulator Recommendation for PCB Power Rails
9.7. Board PDN Simulations
9.8. Agilex™ 5 Device Family PDN Design Summary
6.1.3. Ground Plane and Return Path
A continuous and solid ground reference plane is crucial for data lines. Low impedance ground return path from the FPGA to DRAM devices should be provisioned.
For better return path and signal integrity performance, keep the distance between the ground stitching vias and signal transition vias within 80 mil.