The XC18V04-VQ44BR is a Configuration PROM (programmable read-only memory) from Xilinx, used for storing the configuration data necessary to initialize Xilinx FPGAs (Field-Programmable Gate Arrays). This memory device offers a reliable and efficient method to load the FPGA's configuration upon power-up. The XC18V04 has a memory capacity of 4 Megabits. The VQ44 signifies the package type, which is a 44-pin Very Thin Quad Flatpack (VQFP), and 'BR' indicates the temperature range and specific packaging.

Applications

• Configuration storage for Xilinx FPGAs in embedded applications.
• FPGA bootloading in various electronic devices.
• Storing configuration files for programmable logic devices.
• Use in industrial control and automation systems.
• Telecommunication equipment requiring FPGA configuration.

Features

• 4 Megabit (512K x 8) memory capacity.
• In-System Programmable (ISP) via JTAG.
• Low-power operation.
• Fast configuration download times for quick FPGA initialization.
• 44-pin VQFP package for compact PCB design.
• 3.3V operating voltage.
• High endurance with 20,000 program/erase cycles.
• Data retention for up to 20 years.

Benefits

• Reliable FPGA startup: Ensures the FPGA is correctly configured each time the system is powered on.
• Cost-effective configuration solution: Provides an economical way to store FPGA configuration data.
• Compact design: The VQFP package allows for smaller and more densely populated PCBs.
• Simplified programming: In-system programming through JTAG streamlines the development process.
• Long-term reliability: High endurance and data retention guarantee stable performance over the device's lifespan.

Additional Details

The XC18V04-VQ44BR is programmed using the industry-standard JTAG (IEEE 1149.1) interface, enabling in-circuit programming without the need to remove the device from the board. This facilitates faster development cycles and easier debugging. The device offers a wide operating temperature range, making it suitable for various environments. It uses non-volatile memory technology, which retains data even when power is removed. The configuration data is transferred serially to the FPGA. The device also meets RoHS compliance standards.