Article ID: 000076259 Content Type: Troubleshooting Last Reviewed: 12/31/2013

Can I leave unused transceiver receivers unconnected for Stratix V GX/GS/GT, Arria V GX/GT and Cyclone V GX devices?

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Description The Pin Connections Guidelines document for Stratix® V GX/GS/GT, Arria® V GX/T and Cyclone® V GX devices recommends to connect unused GXB_Rx to GND. The reason for this recommendation is to improve noise immunity. However for applications where the receiver is routed to an unused connector, the receiver would effectively be floating. In this instance it is OK to not tie the unused receiver to GND.

Related Products

This article applies to 6 products

Stratix® V GX FPGA
Arria® V GX FPGA
Arria® V GT FPGA
Cyclone® V GX FPGA
Stratix® V GT FPGA
Stratix® V GS FPGA

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