XC5VSX50T-2FFG665I

What is XC5VSX50T-2FFG665I?

The XC5VSX50T-2FFG665I is a high-performance DSP-focused FPGA from the Virtex-5 SX family developed by Xilinx, now part of AMD.

It integrates programmable logic, DSP48E slices, embedded memory, and high-speed connectivity, making it suitable for telecom infrastructure, industrial automation systems, radar processing, and data acquisition platforms.

Key highlights:

• Virtex-5 SX FPGA architecture

• 288 DSP48E slices for digital signal processing

• 665-pin FFG BGA package

• Industrial temperature support (−40°C to +100°C)

• Designed for real-time hardware processing systems

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Product Overview

The XC5VSX50T-2FFG665I belongs to the Virtex-5 SX FPGA family from Xilinx. This series was designed for applications where digital signal processing performance is just as important as programmable logic flexibility.

Unlike general-purpose FPGAs, the SX family integrates a large number of DSP48E slices, allowing engineers to build high-performance hardware pipelines for filtering, FFT operations, modulation algorithms, and complex signal analysis.

The FFG665 package provides a compact flip-chip BGA footprint with strong electrical performance for high-speed PCB layouts. Combined with the -2 tingkat kecepatan, the device supports higher internal operating performance than lower speed grades.

The industrial temperature rating allows the device to operate in demanding environments such as telecom base stations, outdoor industrial equipment, and embedded control platforms.

Even though newer FPGA families exist, the Virtex-5 series remains widely used in long-lifecycle systems. Many telecom and industrial designs continue to rely on the XC5VSX50T-2FFG665I, making reliable sourcing important for maintenance and production support.

Technical Specifications Table

Engineering Use Cases

Aplikasi yang umum meliputi:

• Wireless base station signal processing

• Radio yang ditentukan oleh perangkat lunak (SDR)

• Industrial automation control systems

• Radar and imaging signal processing

• Sistem akuisisi data berkecepatan tinggi

• Peralatan pengujian dan pengukuran

The FPGA architecture allows designers to process large amounts of data in parallel hardware pipelines, which significantly reduces latency compared with CPU-based systems.

Engineer Experience Section 

In many telecom and industrial designs built during the Virtex-5 era, engineers implemented complex DSP chains directly in FPGA logic. Functions such as digital filtering, modulation, or packet inspection were mapped to DSP48E blocks for deterministic timing performance.

Because these systems are still deployed worldwide, replacing the FPGA with a newer architecture would require redesigning hardware and rewriting firmware. For this reason, devices like the XC5VSX50T-2FFG665I continue to be sourced for repair programs, spare parts inventory, and extended production runs.

This is why legacy FPGA supply remains an important part of the semiconductor distribution market.

Cross-Reference / Related Models

Engineers often compare or search related models such as:

• XC5VSX50T-1FFG665I

• XC5VSX95T-2FF1136I

• XC5VFX70T-2FFG1136I

• XC5VSX50T-1FF1136C

These belong to the same Virtex-5 architecture but may differ in speed grade, package type, or temperature rating.

Procurement Information

Common procurement searches include:

• XC5VSX50T-2FFG665I stock

• XC5VSX50T-2FFG665I price

• XC5VSX50T-2FFG665I datasheet

• XC5VSX50T-2FFG665I supplier

• XC5VSX50T-2FFG665I distributor

• buy XC5VSX50T-2FFG665I FPGA

Companies specializing in legacy or hard-to-find semiconductors, such as LXB Semicon, typically support customers sourcing Virtex-5 FPGA devices for industrial and telecom platforms.