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:
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
| Variant | Application Suitability |
|---|---|
| -11 Speed Grade | High-performance designs with tight timing margins |
| -10 Speed Grade | Balanced 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.
