Currently DJ Greaves is using the the large Xilinx XC5VLX110T. There are four of these on the Bee3 Boards.
Smaller ones are used in most applications.
| 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.
Field-programmable gate array structure, showing IO blocks around the edge, interconnection matrix blocks and configurable logic blocks.
 A configurable logic block for a look-up-table based FPGA. |  A simple IO block for an FPGA. |