If unused Stratix II GX® transceiver pins are left floating, the capacitance of the trace normally keeps the line low. However, for optimal noise rejection and power performance, Altera® recommends that you tie unused pins in accordance with the Stratix II GX Pin Connections Guidelines (PDF).
Article ID: 000076077 Content Type: Troubleshooting Last Reviewed: 01/01/2015
What will happen if unused Stratix II GX transceiver pins are floating?
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