Forum Discussion
CNash2
New Contributor
7 years agoVCC_CLKIN on cyclone iv gx150
If I have single ended CLK inputs 3.3V LVTTL in bank3a, b or 8a, b does it matter what voltage is applied to VCC_CLKIN. I guess it only matters if one of those bank is using a differential input cl...
Rahul_S_Intel1
Frequent Contributor
7 years agoHi,
The VCC_CLKIN is only used for bank 3 and 8 remaining not.Kindly find the page no:4 for the below document.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/cyclone-iv/pcg-01008.pdf
For other banks no need to consider
CNash2
New Contributor
7 years agoI have 3.3v LVTTL clock signals on bank 3a, 3b and 8a, but differential clock input on 8b. So I will put 2.5V on Vcc_clkin8b but 3.3V on the others. Is this correct?