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Now in Stock: XC5VLX20T-1FFG323C | Xilinx Virtex-5 LXT FPGA | Brand New, Fully Traceable, and Ready to Ship!

Written by Ash Arya | 25-Jun-2026

The XC5VLX20T-1FFG323C from Xilinx is a Virtex-5 LXT FPGA designed for high-performance logic applications that require advanced serial connectivity, flexible I/O support, and dependable programmable logic performance.

If you’re working on telecommunications equipment, embedded systems, industrial control platforms, networking hardware, PCI Express designs, or high-speed interface applications, the XC5VLX20T-1FFG323C is a dependable choice.

The XC5VLX20T-1FFG323C is part of Xilinx’s Virtex-5 FPGA family, built on a 65-nm copper CMOS process technology and designed as a programmable alternative to custom ASIC technology.

Here's a closer look at the XC5VLX20T-1FFG323C:

Key Features of the XC5VLX20T-1FFG323C

Virtex-5 LXT Platform Architecture

The XC5VLX20T-1FFG323C belongs to the Virtex-5 LXT platform, which is designed for high-performance logic applications with advanced serial connectivity, making it suitable for systems that need both programmable logic and fast data movement.

High-Performance FPGA Fabric

The XC5VLX20T-1FFG323C uses Xilinx’s Virtex-5 FPGA fabric, including real 6-input look-up table technology and improved routing architecture. This helps support efficient logic implementation and improved design performance compared with earlier FPGA generations.

3,120 Virtex-5 Slices

The XC5VLX20T-1FFG323C includes 3,120 Virtex-5 slices, providing a flexible programmable logic foundation for embedded, control, communication, and interface-based designs.

Integrated Block RAM

With 52 18-Kbit block RAM blocks, or 26 36-Kbit block RAM blocks, the XC5VLX20T-1FFG323C offers up to 936 Kbits of maximum block RAM. These on-chip memory resources are useful for buffering, data handling, FIFO functions, and embedded storage.

DSP48E Slices for Signal Processing

The device includes 24 DSP48E slices. These slices support 25 x 18 two’s complement multiplication, optional adder, subtracter, and accumulator functions, helping the XC5VLX20T-1FFG323C support signal processing and arithmetic-heavy applications.

RocketIO GTP Transceivers

The XC5VLX20T-1FFG323C includes up to 4 RocketIO GTP transceivers. These full-duplex serial transceivers are designed to operate from 100 Mb/s to 3.75 Gb/s, making them suitable for high-speed serial communication applications.

Integrated Endpoint Block for PCI Express

The XC5VLX20T-1FFG323C includes an integrated Endpoint block for PCI Express designs. This supports PCI Express Endpoint functionality while reducing FPGA logic utilisation, making it a strong choice for systems that require PCIe connectivity.

Tri-Mode Ethernet MAC Support

As part of the Virtex-5 LXT platform, the device supports tri-mode Ethernet MAC functionality for 10/100/1000 Mb/s Ethernet applications. This makes it suitable for networking, telecom, and data communication equipment.

Flexible SelectIO Technology

The XC5VLX20T-1FFG323C supports Xilinx SelectIO technology, with I/O operation from 1.2V to 3.3V and support for a wide range of single-ended and differential signalling standards.

Clock Management Technology

The XC5VLX20T-1FFG323C includes clock management resources, such as Digital Clock Manager blocks and PLL functionality, through Xilinx’s Clock Management Tile architecture. This supports clock deskew, frequency synthesis, phase shifting, and jitter filtering in high-speed FPGA designs.

Pb-Free Flip-Chip Package

The XC5VLX20T-1FFG323C is supplied in an FFG323 package, with the “G” indicating a RoHS package option, making it suitable for designs requiring Pb-free compliant components.

Applications of the XC5VLX20T-1FFG323C

The XC5VLX20T-1FFG323C is typically used in:

  • Telecommunications equipment
  • Networking hardware
  • Embedded computing systems
  • Industrial control platforms
  • PCI Express interface designs
  • High-speed serial communication systems
  • Data acquisition equipment
  • Signal processing applications
  • Ethernet-enabled systems
  • Legacy FPGA-based platform maintenance
  • Prototype and development hardware
  • Broadcast and communications infrastructure
  • Industrial automation systems
  • High-performance logic designs