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Altera_Forum
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15 years ago

Cyclone IV CLKIN Power

Hi all, just a small question: I'm designing a board using the EP4CGX30 (324FBGA). There are clock input power pins located on Bank 3A and 8A called VCC_CLKIN3A / 8A. I power VCC_CLKIN3A w...
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Altera_Forum
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10 years ago

Hi, I reuse this thread to ask about VCC_CLKIN

What represents this voltage? For example, if VCC_CLKIN Bank 3B is set to 2.5V, what is the amplitude expected for the clock signals (ex. from a osc crystal) in CLK pins of that Bank?