| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XC5VSX35T-2FFG665C | Virtex-5 SX | 2.720,00 | -2,00 | 34816 | 2952576 | 360 | 0.95 V – 1.05 V | Surface Mount | 0 °C – +85 °C (C) | 665-FBGA / FCBGA | 665-FCBGA (27 × 27 mm) |
XC5VSX35T-2FFG665C
Manufacturer: Xilinx
Logic Cells: 35,264
Logic Slices: 5,516
Embedded RAM (eRAM): 1,152 Kb
Package: FFG665 (Flip-Chip BGA)
Operating Temperature: Commercial (0°C to +85°C)
Specifications
XC5VSX35T-2FFG665C FPGA – Specs, Datasheet, Stock & Price | LXB Semicon
XC5VSX35T-2FFG665C is a Virtex-5 SX FPGA developed by Xilinx, designed for high-performance DSP and signal-processing applications.
The device integrates DSP48E processing slices, programmable logic fabric, and high-speed connectivity, making it suitable for applications such as:
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wireless infrastructure
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radar and defense electronics
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software-defined radio (SDR)
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high-speed data acquisition
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video processing systems
The FPGA is packaged in a 665-ball FFG BGA package and uses the -2 speed grade, which offers faster timing performance compared with the -1 version.
Distributors like LXB Semicon provide sourcing support for engineers and procurement teams looking for XC5VSX35T-2FFG665C stock, pricing, or datasheets.
Product Overview
The XC5VSX35T-2FFG665C belongs to the Virtex-5 SX FPGA family, which is specifically optimized for digital signal processing workloads.
Unlike general-purpose FPGA families, the SX series focuses on integrating a higher density of DSP48E slices, enabling efficient implementation of:
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digital filters
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FFT algorithms
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baseband processing
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real-time signal analysis
This architecture allows engineers to move many DSP tasks from external processors directly into FPGA hardware pipelines, reducing latency and improving throughput.
The -2 speed grade version provides higher performance timing margins for demanding signal-processing designs.
Key Features
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Virtex-5 SX FPGA architecture
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Optimized for DSP-centric processing
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192 DSP48E slices
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Integrated Block RAM memory
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Advanced clock management resources
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High-speed digital signal processing capability
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FFG665 BGA package
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-2 speed grade for higher performance
Structured Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | XC5VSX35T-2FFG665C |
| Manufacturer | Xilinx |
| Product Family | Virtex-5 SX |
| Logic Class | ~35K logic cell class |
| DSP Resources | 192 DSP48E slices |
| Package | FFG665 |
| Pin Count | 665 |
| Speed Grade | -2 |
| Temperature Grade | Commercial |
| Mounting | Surface Mount |
| Package Type | BGA |
| Typical Applications | DSP processing, wireless infrastructure |
Typical Applications
Wireless Infrastructure
Used in base station systems for baseband signal processing and modulation algorithms.
Radar and Defense Electronics
Suitable for real-time radar signal pipelines and high-speed data filtering.
Software-Defined Radio (SDR)
Provides programmable hardware acceleration for radio protocol and signal decoding.
Video Processing Systems
Used in broadcast and imaging equipment for real-time image and video computation.
Industrial Signal Processing
Implemented in measurement equipment requiring deterministic processing latency.
Engineer Experience
In practical FPGA design work, the Virtex-5 SX series is often selected when DSP throughput becomes the main system bottleneck.
Instead of using separate DSP processors, many designs integrate their entire signal-processing pipeline directly inside the FPGA using the DSP48E slices.
For example:
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digital filtering
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FFT processing
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complex multipliers
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high-speed data pipelines
The XC5VSX35T-2FFG665C offers enough DSP density for mid-scale signal-processing systems while maintaining manageable power consumption and board complexity.
Replacement / Cross Reference
If XC5VSX35T-2FFG665C is not available, engineers may evaluate the following alternatives:
| Alternative | Notes |
|---|---|
| XC5VSX35T-1FFG665C | Same device with slower speed grade |
| XC5VSX50T-1FFG665C | Higher logic and DSP capacity |
| XC5VSX50T-2FFG665C | Higher performance version |
| XC5VSX35T-2FFG665I | Industrial temperature version |
Replacement decisions should consider:
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speed grade requirements
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operating temperature range
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logic utilization
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PCB compatibility
Stock & Procurement
Procurement teams often search for:
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XC5VSX35T-2FFG665C stock
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XC5VSX35T-2FFG665C price
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XC5VSX35T-2FFG665C datasheet
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buy XC5VSX35T-2FFG665C FPGA
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XC5VSX35T-2FFG665C supplier
Distributors such as LXB Semicon support global customers with:
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electronic component sourcing
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OEM and EMS supply chains
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legacy FPGA supply support
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worldwide logistics
Datasheet Reference
Engineers typically consult the Virtex-5 FPGA documentation for:
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device architecture
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DSP slice usage
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timing performance
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pin configuration
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power requirements
Searching “XC5VSX35T-2FFG665C datasheet” will provide the official documentation needed for system design.
FAQ
What is XC5VSX35T-2FFG665C?
XC5VSX35T-2FFG665C is a Virtex-5 SX FPGA designed for DSP-intensive signal-processing systems, integrating programmable logic and dedicated DSP slices.
What is the difference between -1 and -2 speed grade?
The -2 speed grade provides faster timing performance compared with the -1 version, making it suitable for higher clock frequency designs.
What are common uses of XC5VSX35T-2FFG665C?
Typical uses include:
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wireless base stations
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radar signal processing
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SDR platforms
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video processing equipment
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industrial measurement systems
Where can I buy XC5VSX35T-2FFG665C?
Electronic component distributors such as LXB Semicon provide global sourcing and inventory support for this FPGA.






