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Altera_Forum
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15 years ago

changing FPGA cyclone4-115 with another one on the same PCB card

I hope that somebody can make me a favor! I'm working on ALTERA FPGA Cyclone IV family. I'm about finishing the PCB design, but my idea is to have a card with multiple FPGA possibility. to ...
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Altera_Forum
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15 years ago

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the VCCint voltage is in the middle rang of the IO voltage what mean we have a metastability

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Metastability is something different. At worst case, you have an increased current consumption of the involved input buffers. You can ask Altera support about a specification. It may be even the case, that the respective input buffers are diasbled, if the migration devices are selected.