TTL Signal from using Arduino Rev 3 to MOSFET Driver

Using Arduino General Electronics
9

MarkT:
Perhaps a stronge pullup on the enable pin? Is the decoupling ceramic and within 5mm of the package?

Oh, and is it getting hot?

Sorry, I am pretty new to this area, but what does it mean by decoupling ceramic?

And when I touched the MOSFET driver, it was not hot or getting warm.