xdc ddr4 vcu118 zcu104

As an AI language model, I can provide information on these terms:

1. XDC - Xilinx Design Constraints is a file format used by Xilinx Vivado Design Suite to specify timing constraints for FPGA designs.

2. DDR4 - Double Data Rate 4 is a type of synchronous dynamic random-access memory (SDRAM) used in modern computer systems for data storage.

3. VCU118 - Xilinx Virtex UltraScale+ FPGA development board designed for high-speed communication, video processing, and other applications.

4. ZCU104 - Xilinx Zynq UltraScale+ MPSoC development board designed for embedded systems and high-performance computing.

These terms are related to Xilinx, a leading provider of programmable logic devices used for electronic systems.