The dimensions of the Exposed Pad for the Cyclone® 10 LP are the same.
Please refer to the following document for package information on the device to be used:
https://www.altera.com/design/devices/resources/package-thermal/package?family=Cyclone_10&family=Cyclone_10&type=package
The Exposed Pad should be connected to the GND of the board.
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Category: Device Specifications
Tools:-
Device: Cyclone® 10 LP