FPGA - Field Programmable Gate Array

Example: The part Ib practical classes use FPGAs from Altera: »ECAD and Architecture Practical Classes

Data on a recent Xilinx FPGA:

Part number	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. In recent parts, the regular structure is broken up by custom blocks, including RAMs and DSP ALUs.