Xilinx Virtex-4 LX and Virtex-5 FXT FPGA In-Stock at LXB Semicon

XC4VLX60 / XC4VLX100 and XC5VFX30T / XC5VFX100T Technical Supply Overview

LXB Semicon currently maintains physical inventory of selected Xilinx Virtex-4 LX and Virtex-5 FXT series FPGA devices. These platforms continue to be widely used in industrial control systems, telecom infrastructure, aerospace electronics, and long-lifecycle embedded products.

The available stock includes the following part numbers:

Virtex-4 LX Series

Virtex-5 FXT Series

All parts are original Xilinx devices and are physically stocked at LXB Semicon warehouses, enabling fast fulfillment for time-critical production and maintenance programs.

Virtex-4 LX Series: Logic-Focused FPGA Architecture

The Virtex-4 LX family was designed for logic-intensive system architectures requiring high I/O density, deterministic timing performance, and robust signal routing capabilities.

XC4VLX60 and XC4VLX100 Highlights

These devices provide:

  • High logic cell density for protocol processing and control logic

  • Integrated Block RAM resources for buffering and FIFO applications

  • Optimized clock management tiles for stable high-frequency operation

  • FFG1148 BGA package support, enabling high I/O pin availability

Speed Grade and Temperature Selection

VariantApplication Suitability
-11 Speed GradeHigh-performance designs with tight timing margins
-10 Speed GradeBalanced performance and power consumption
Commercial (C)Controlled indoor environments and data center systems
Industrial (I)Extended temperature environments (-40°C to +100°C)

Industrial temperature versions such as XC4VLX60-11FFG1148I and XC4VLX60-10FFG1148I are commonly deployed in factory automation, transportation electronics, and outdoor communication equipment.

Virtex-5 FXT Series: Embedded Processing and High-Speed Connectivity

The Virtex-5 FXT platform represents a major architectural advancement, combining programmable logic with integrated processing and high-speed serial transceivers.

XC5VFX100T and XC5VFX30T Architecture Advantages

Key features include:

  • Embedded PowerPC processing subsystem for real-time control

  • High-speed GTX transceivers for multi-gigabit serial interfaces

  • Enhanced logic fabric optimized for high-bandwidth data paths

  • Large I/O capacity through FFG1136 and FFG665 packages

These capabilities allow designers to consolidate processing, control, and communication functions into a single device.

Typical Application Domains

Telecommunications Infrastructure

Used in base station equipment, packet processing systems, and optical transport platforms requiring deterministic data throughput.

Industrial Automation and Control

Applied in PLC expansion modules, motion controllers, and industrial gateway devices.

Defense and Aerospace Electronics

Deployed in radar subsystems, secure communications, and avionics interface controllers where reliability and long-term availability are critical.

Embedded Computing Platforms

FXT series devices are commonly used in hybrid FPGA-CPU architectures supporting real-time data acquisition and signal processing.

Long-Lifecycle Support and Legacy Platform Continuity

Many OEM systems continue to rely on Virtex-4 and Virtex-5 platforms due to certification requirements, software investment, and long equipment lifecycles. Maintaining compatible replacement inventory is essential for:

  • Repair and maintenance programs

  • Field upgrade support

  • Production continuity of mature platforms

LXB Semicon supports these requirements by maintaining physical stock and traceable sourcing channels.

LXB Semicon Inventory Assurance

LXB Semicon provides:

  • Verified original Xilinx components

  • Physical warehouse stock (not virtual listings)

  • Batch traceability upon request

  • Anti-counterfeit inspection procedures

  • Fast global logistics options

This ensures customers receive authentic parts suitable for industrial and mission-critical deployments.

Conclusion

The availability of Virtex-4 LX (XC4VLX60, XC4VLX100) and Virtex-5 FXT (XC5VFX30T, XC5VFX100T) devices at LXB Semicon provides a stable supply channel for engineers and procurement teams supporting both new development and long-term platform maintenance.

With verified inventory, multiple speed grades, and both commercial and industrial temperature options, LXB Semicon helps customers minimize downtime and reduce procurement risk.