The typical/maximum capacitive load for dirve 3.3VLVTTL or 3.0LVTTL I/O is 7pF.
you may refer to MAX 10 Datasheet: https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max-10/m10_datasheet.pdf...
Would that be the capacitance that an external driving device would see, or the if the MAX10 were driving the capacitance of the MAX10 pin? It doesn’t look like it would be the external capacitive drive capability, would it? As shown in the image, looking for an external capacitive load spec that the MAX10 could drive to Cin(extDevices). Can the MAX10 drive an external load >8pF?