Field-programmable gate array structure, showing IO blocks around the edge, interconnection matrix blocks and configurable logic blocks.
Currently DJ Greaves is using the the large Xilinx XC5VLX110T. There are four of these on the BEE3 Boards.
Smaller FPGAs are used in most applications however.
| Technical/Catalog Information | XC5VLX110T-2FFG1136C |
| Vendor | Xilinx Inc |
| Category | Integrated Circuits (ICs) |
| Number of Gates | 110000 |
| Number of I /O | 640 |
| Number of Logic Blocks/Elements | 8640 |
| Package / Case | 1136-FCBGA |
| Operating Temperature | 0C ~ 85C |
| Voltage - Supply 1.14 V ~ 3.45 V |
65 nm technology, 6-input LUT, 64 bit DP RAMs.
 A configurable logic block for a look-up-table based FPGA. |  A simple IO block for an FPGA. |