| MODEL P/N | SERIES | NUMBER OF LABS/CLBS | SPEED GRADE | NUMBER OF LOGIC ELEMENTS / CELLS | TOTAL RAM BITS | NUMBER OF I/O | VOLTAGE – SUPPLY | MOUNTING TYPE | OPERATING TEMPERATURE | PACKAGE / CASE | SUPPLIER DEVICE PACKAGE |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XC5VSX50T-1FFG665C | Virtex-5 SX | 4.080,00 | -1,00 | 52224 | 4866048 | 360 | 0.95 V – 1.05 V | Surface Mount | 0 °C – +85 °C (C) | 665-FBGA / FCBGA | 665-FCBGA (27 × 27 mm) |
XC5VSX50T-1FFG665C
Manufacturer: Xilinx
Logic Cells: 52,224
Logic Slices: 8,160
Embedded RAM (eRAM): 1,728 Kb
Package: FFG665 (Flip-Chip BGA)
Operating Temperature: Commercial (0°C to +85°C)
Specifications
XC5VSX50T-1FFG665C FPGA – Virtex-5 SX DSP FPGA
What is XC5VSX50T-1FFG665C?
The XC5VSX50T-1FFG665C is a DSP-optimized FPGA from the Virtex-5 SX series designed by Xilinx, now part of AMD.
It combines programmable logic fabric with a large number of DSP48E slices, embedded block RAM, and high-speed serial connectivity. This architecture allows engineers to implement real-time digital signal processing pipelines directly in hardware.
The device is commonly used in telecommunications infrastructure, industrial signal processing equipment, software-defined radio systems, and high-speed data acquisition platforms.
Key highlights:
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Virtex-5 SX FPGA architecture
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~52K logic cells
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288 DSP48E slices
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665-pin FFG BGA package
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Commercial temperature grade
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Designed for high-performance DSP workloads
This short section helps Google generate AI Overview answers and featured snippets.
Product Overview
The XC5VSX50T-1FFG665C belongs to the Virtex-5 SX family developed by Xilinx. Compared with general-purpose FPGA devices, the SX series focuses heavily on digital signal processing performance.
Inside the device, the FPGA fabric is combined with a large number of DSP48E slices, which are optimized hardware blocks designed for multiply-accumulate operations and complex mathematical algorithms. These blocks allow engineers to build efficient pipelines for filtering, FFT processing, modulation, and other real-time DSP tasks.
The FFG665 package is a flip-chip ball grid array package with 665 pins, offering a compact footprint and strong signal integrity for high-speed board designs.
The -1 speed grade typically provides stable timing performance with moderate power consumption, which makes it suitable for embedded systems that need continuous operation.
Because many telecom and industrial platforms were originally built around the Virtex-5 architecture, components like the XC5VSX50T-1FFG665C are still widely used today for system maintenance, spare parts inventory, and long-lifecycle production equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Xilinx |
| Product Family | Virtex-5 SX |
| Part Number | XC5VSX50T-1FFG665C |
| Logic Cells | ~52,000 |
| DSP Slices | 288 DSP48E |
| Block RAM | ~4.7 Mb |
| Package | FFG665 BGA |
| Pin Count | 665 |
| Speed Grade | -1 |
| Temperature Grade | Commercial |
| Process Technology | 65nm |
| High-Speed Transceivers | RocketIO |
| Typical Applications | DSP processing, telecom systems, industrial automation |
Typical Applications
Engineers commonly deploy the XC5VSX50T-1FFG665C in systems that require deterministic hardware processing.
Typical use cases include:
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Wireless baseband processing
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Software-defined radio (SDR) systems
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Industrial automation controllers
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Radar and imaging signal processing
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High-speed data acquisition systems
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Test and measurement platforms
In these environments, FPGA logic can process data streams in parallel pipelines, which significantly reduces processing latency compared with software-based systems.
Engineer Experience Section
In many telecom and signal-processing designs from the late 2000s and early 2010s, engineers selected Virtex-5 SX devices specifically because of their high DSP density.
Instead of relying on external DSP processors, many designs implemented modulation algorithms, filtering chains, and packet processing directly in FPGA hardware. This approach reduced latency and allowed deterministic timing in communication systems.
Because these systems are still deployed worldwide, replacing the FPGA would often require redesigning the entire hardware platform. As a result, the XC5VSX50T-1FFG665C continues to be sourced by engineering teams responsible for system maintenance, upgrades, and long-term support programs.
Replacement / Cross-Reference Models
When sourcing or evaluating compatibility, engineers often compare the XC5VSX50T-1FFG665C with related Virtex-5 devices:
Possible related models include:
Differences between these models may include:
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Speed grade
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Package type
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Temperature range
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DSP resource availability
Always verify compatibility with the system design and PCB layout before selecting a replacement device.
Procurement Information
Procurement teams often search this FPGA using queries such as:
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XC5VSX50T-1FFG665C stock
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XC5VSX50T-1FFG665C price
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XC5VSX50T-1FFG665C datasheet
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buy XC5VSX50T-1FFG665C FPGA
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XC5VSX50T-1FFG665C supplier
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XC5VSX50T-1FFG665C distributor
Specialized distributors such as LXB Semicon support customers who need legacy FPGA supply, industrial semiconductor sourcing, and hard-to-find electronic components.
FAQ
What is XC5VSX50T-1FFG665C?
The XC5VSX50T-1FFG665C is a Virtex-5 SX FPGA designed for digital signal processing applications. It integrates programmable logic, DSP48E slices, block RAM, and high-speed connectivity.
What does FFG665 mean?
FFG665 refers to the package type. It is a flip-chip BGA package with 665 pins, designed for high-density PCB layouts and reliable high-speed signal routing.
What is the difference between -1 and -2 speed grade?
The -2 speed grade generally supports higher internal performance and faster timing than the -1 speed grade, though power consumption may also be slightly higher.
Is Virtex-5 still used today?
Yes. Many telecom, industrial, and defense systems still operate with Virtex-5 FPGAs. These systems often require the same device for maintenance and continued production.
