Knowledge Base Article

Can the PCIe® nPERST PIN recieve LVTTL signal regardless of VCCIO voltage ?

Description
The dedicated nPERST pins may be driven by 3.3V regardless of the VCCIO voltage level of the bank without a level translator as long as the input signal meets the LVTTL VIH/VIL specification, and as long as it meets the overshoot specifications for 100% operation as defined in the "DC and Switching Characteristics for Stratix V Devices." chapter of the Stratix V handbook.
Updated 1 month ago
Version 2.0
stratix® v fpgas
troubleshooting
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