Inc. The XC3S100E-4TQG144C is an FPGA (Field Programmable Gate Array) manufactured by Xilinx Inc. It is a low-cost, low-power, single-chip, 3-million gate Spartan-3 FPGA. This FPGA has four dedicated TQG144 packages with 100K logic cells and 16Kbits of internal block RAM. It utilizes on-chip Digital Clock Managers (DCMs) and SelectIO blocks for programmable input and output interfaces. It is a suitable choice for cost-sensitive applications such as consumer, automotive, and industrial. It also features a single 3.3V power supply, enhanced multipliers and shift registers, and Xilinx's SelectIO technology for improved system design. With its wide range of peripherals and flexible configuration, the XC3S100E-4TQG144C makes an ideal choice for those needing a low cost, flexible FPGA for their applications.