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Altera_Forum's avatar
Altera_Forum
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14 years ago

How can I get 5.0V FPGA digital signal output?

Hello, everyone. My name is Ray. My device is Max 7000 series, EPM7128SLC84-7. I need 5.0V timing clock, and I set all vccio and vccint at a level at 5.0V power supply. However, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I was under the impression up to now, that MAX7000S series is actually a 5V device. Although there's only a TTL level specification in the datasheet, I can't imagine, why the unloaded output of a CMOS device shouldn't achieve 5V high level? I suspect a problem with your measurement.