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The XC4VSX35-10FFG668I is a ROHS-certified Programmable Logic Device with FCBGA-668 packaging

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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Service & Packaging

Service & Packaging

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Initiate the application within 90 days from the shipment date.

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About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.



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XC4VSX35-10FFG668I DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $119.383 $119.38
200 $46.200 $9,240.00
500 $44.576 $22,288.00
1000 $43.775 $43,775.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for XC4VSX35-10FFG668I or email to us: Email: [email protected], we will contact you in 12 hours.


Featuring 668 user I/Os and support for various I/O standards such as LVDS, LVTTL, and PCI, the XC4VSX35-10FFG668I provides exceptional flexibility for interface connectivity. The inclusion of on-chip memory blocks, digital clock managers, and phase-locked loops further enhances its adaptability and efficiency in design implementations

Key Features

  • 35,200 logic cells
  • 668 user I/Os
  • 10,368 Kb block RAM
  • 448 DSP slices
  • 10 Gbps serial transceivers


  • Telecommunications equipment
  • Networking hardware
  • Industrial control systems
  • Automotive electronics
  • Medical imaging devices
  • Military and aerospace applications
  • Video processing and display systems
  • High-performance computing
  • Data center infrastructure
  • Test and measurement equipment


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! FPGA - Field Programmable Gate Array RoHS Details
Series XC4VSX35 Number of Logic Elements 34560 LE
Adaptive Logic Modules - ALMs 15360 ALM Embedded Memory 3.38 Mbit
Number of I/Os 448 I/O Supply Voltage - Min 1.14 V
Supply Voltage - Max 1.26 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 100 C Mounting Style SMD/SMT
Package / Case FBGA-668 Brand Xilinx
Distributed RAM 240 kbit Embedded Block RAM - EBR 3456 kbit
Maximum Operating Frequency 500 MHz Moisture Sensitive Yes
Number of Logic Array Blocks - LABs 3840 LAB Operating Supply Voltage ! 1.2 V
Product Type ! FPGA - Field Programmable Gate Array Factory Pack Quantity 1
Subcategory Programmable Logic ICs Tradename Virtex


What is XC4VSX35-10FFG668I?

The XC4VSX35-10FFG668I is a high-performance field-programmable gate array (FPGA) from Xilinx. It belongs to the Virtex-4 family and offers a balance of logic capacity, performance, and features, making it suitable for a wide range of applications including communications, aerospace, and industrial control systems.

How Does XC4VSX35-10FFG668I Work?

The XC4VSX35-10FFG668I functions as a reconfigurable integrated circuit that can be programmed by users to perform various tasks. It consists of configurable logic blocks, memory elements, and input/output blocks that can be interconnected to create complex digital circuits. The FPGA is configured using a bitstream that defines the functionality and interconnections of the internal resources.

How Many Pins does XC4VSX35-10FFG668I have and What are the Functions of the Pinout Configuration?

The XC4VSX35-10FFG668I is packaged in a 668-pin Fine-Pitch Ball Grid Array (FFG) package. The pinout configuration includes:

  • Various IOBs (Input/Output Blocks): Pins for connecting input and output signals.
  • Configurable Logic Blocks (CLBs): Pins for the main configurable logic elements.
  • Block RAM and DSP Blocks: Pins for block RAM and digital signal processing blocks.
  • Clock and Configuration Pins: Pins for clock inputs and configuration interface.
  • Ground and Power Pins: Pins for ground and power connections.

What are the Pros and Cons of XC4VSX35-10FFG668I?


  • High-Performance: Offers high logic capacity and processing speed for demanding applications.
  • Reconfigurability: Can be reprogrammed for different functions, providing flexibility.
  • Feature-Rich: Includes various resources such as memory blocks and DSP slices for versatile design options.
  • Compatibility: Works with Xilinx's design software tools for seamless development.


  • Complexity: Requires expertise in FPGA programming and design for optimal use.
  • Cost: High-end FPGAs like the XC4VSX35-10FFG668I may come with a higher price tag.
  • Power Consumption: High-performance FPGAs can consume significant power, impacting overall system power budget.

Are There Any Equivalents/Alternatives to XC4VSX35-10FFG668I for Recommendation?

  • Alternative FPGAs from Xilinx include devices in the Spartan and Artix families for simpler designs.
  • Competing products from other manufacturers include Altera (now Intel) FPGAs like the Cyclone series.

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