What Is the XCKU035-3FBVA900E?

The XCKU035-3FBVA900E is a field-programmable gate array (FPGA) manufactured by AMD (formerly Xilinx), belonging to the Kintex UltraScale family. Built on an advanced 20nm process node, this device delivers exceptional price-to-performance value for mid-range FPGA applications. It ships in a 900-pin Fine-pitch Ball Grid Array (FCBGA) package and operates at a core voltage of 1.0V, reflecting its -3 speed grade — the highest available in the XCKU035 lineup.

Engineers and designers who need the best performance-per-watt at 20nm will find the XCKU035-3FBVA900E to be a compelling solution. For a broader selection of similar devices, explore our full range of Xilinx FPGA products.

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XCKU035-3FBVA900E Key Specifications at a Glance

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XCKU035-3FBVA900E Package and Pinout Details

Understanding the Part Number Breakdown

The part number XCKU035-3FBVA900E encodes critical device information:

Package Dimensions and Footprint

The XCKU035-3FBVA900E uses a 900-pin FCBGA package, offering a compact, high-density surface-mount footprint. This package format supports high I/O density while keeping PCB layout manageable for mid-range system designs.

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XCKU035-3FBVA900E Logic and Memory Resources

Programmable Logic Resources

The XCKU035-3FBVA900E provides substantial on-chip logic resources for complex digital designs:

Why DSP and Block RAM Ratios Matter

The XCKU035-3FBVA900E features a high DSP-to-logic ratio, making it particularly well-suited for signal processing pipelines. The generous Block RAM capacity enables on-chip data buffering without requiring external memory in many designs. These ratios are a defining characteristic of the Kintex UltraScale architecture.

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XCKU035-3FBVA900E Speed Grade and Electrical Characteristics

-3 Speed Grade: Maximum Performance

The -3 speed grade is the highest performance tier available in the XCKU035 device family. At this grade, the device operates with a VCCINT core voltage of 1.0V. Designers targeting the tightest timing constraints — such as high-speed serial links, advanced DSP pipelines, or 100G networking logic — should select the -3 speed grade to maximize available timing margin.

Electrical and Thermal Parameters

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Key Features of the Kintex UltraScale Architecture

The XCKU035-3FBVA900E is built on AMD’s UltraScale architecture, which delivers ASIC-like clocking and routing to minimize timing overhead and dynamic power. Below are the most important architectural features:

Next-Generation Transceivers

The Kintex UltraScale family integrates high-performance GTH transceivers capable of multi-gigabit serial communication. These transceivers support protocols including PCIe Gen3, 10G/100G Ethernet, JESD204B, and Interlaken, among others.

ASIC-Like Clocking Architecture

UltraScale devices implement a hierarchical clock structure with fine-grained clock gating. This approach delivers up to 40% lower dynamic power compared to previous-generation 28nm devices, while maintaining high clock frequencies.

High Signal Processing Bandwidth

Among mid-range FPGAs at 20nm, the XCKU035-3FBVA900E provides one of the highest signal processing bandwidths available. This makes it an outstanding fit for applications that demand continuous high-throughput data processing.

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XCKU035-3FBVA900E: Target Applications

Wireless and Heterogeneous Infrastructure

The high DSP count and transceiver density of the XCKU035-3FBVA900E make it an ideal platform for baseband processing in 4G/5G radio units and remote radio heads (RRHs). Its performance profile aligns closely with TD-LTE and heterogeneous wireless deployments.

100G Networking and Data Centers

The device excels in packet processing pipelines for 100G Ethernet line cards and network switches. Its combination of high logic density, block RAM, and next-generation transceivers supports full-duplex line-rate processing at 100G speeds.

Medical Imaging Systems

Next-generation medical imaging — including CT, MRI, and ultrasound systems — demands high DSP throughput for image reconstruction and signal conditioning. The XCKU035-3FBVA900E provides the computational fabric to implement complex imaging pipelines at low power.

8K Video Processing

With its large DSP slice count and high memory bandwidth, the XCKU035-3FBVA900E supports 8K/4K video codec, display pipeline, and image signal processing (ISP) implementations in broadcast and professional video equipment.

Scientific and Defense Signal Processing

High-performance radar, electronic warfare, and scientific instrumentation designs benefit from the device’s DSP density, transceiver support, and configuration flexibility.

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Design Tools and Support for the XCKU035-3FBVA900E

Vivado Design Suite

AMD’s Vivado Design Suite is the primary development environment for all UltraScale FPGAs, including the XCKU035-3FBVA900E. Vivado provides a complete flow from design entry through synthesis, place-and-route, simulation, and bitstream generation. Its IP integrator simplifies platform-level design by enabling block-diagram-based assembly of complex subsystems.

Xilinx Power Estimator (XPE)

For power budgeting and thermal management, AMD provides the Xilinx Power Estimator (XPE) tool. Engineers should use XPE early in the design cycle to estimate current draw on VCCINT, VCCO, and VCCAUX rails before committing to a PCB power delivery design.

IP Catalog Support

The XCKU035-3FBVA900E is fully supported by Xilinx’s IP catalog, giving designers access to pre-verified logic for PCIe, Ethernet, memory interfaces, DSP, and more. This significantly reduces time-to-market for complex system designs.

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XCKU035-3FBVA900E Ordering and Availability Information

Note: The XCKU035-3FBVA900E is an extended commercial temperature grade device. For industrial temperature range (-40°C to +100°C) requirements, consider the XCKU035-2FBVA900I (I-grade) variant.

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XCKU035-3FBVA900E vs. Alternative Variants

Speed Grade and Temperature Comparison

Package Size Comparison (XCKU035 Family)

The XCKU035-3FBVA900E in the 900-pin package provides the best balance between I/O availability (468 pins) and PCB real estate for most mid-range FPGA board designs.

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Frequently Asked Questions About the XCKU035-3FBVA900E

What is the maximum operating frequency of the XCKU035-3FBVA900E?

The -3 speed grade delivers the highest achievable operating frequency within the XCKU035 family. Actual maximum clock frequency depends on design complexity, logic depth, and placement. The UltraScale architecture routinely supports system clock rates exceeding 500 MHz for pipelined datapath designs.

Is the XCKU035-3FBVA900E RoHS compliant?

Yes. The XCKU035-3FBVA900E is fully RoHS-compliant and uses lead-free solder ball materials, making it suitable for designs targeting environmental compliance in the EU, North America, and Asia.

What is the difference between the E and I temperature grades?

The E grade (Extended/Commercial) operates from 0°C to +85°C. The I grade (Industrial) extends the range to -40°C to +100°C. Choose the I-grade variant for automotive, outdoor, or industrial environments with wider temperature excursions.

Can the XCKU035-3FBVA900E replace the XCKU035-2FBVA900E?

Yes, in most cases. The -3 speed grade is faster than -2, so timing-critical designs targeting -2 can typically use -3 without design changes. Always confirm supply voltage compatibility (1.0V for -3 vs. 0.95V for -2) in your power delivery network.

What development board supports the XCKU035?

AMD’s KCU105 Evaluation Kit is the primary reference platform for the Kintex UltraScale family and provides an excellent starting point for prototyping designs with the XCKU035-3FBVA900E-class devices.

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Summary: Why Choose the XCKU035-3FBVA900E?

The XCKU035-3FBVA900E stands out as a top-tier mid-range FPGA for demanding applications. It delivers the highest speed grade (-3) in the XCKU035 family, backed by 444,343 logic cells, 1,700 DSP slices, 468 user I/Os, and an efficient 20nm UltraScale architecture. Whether the target application is 100G networking, next-generation medical imaging, 8K video, or advanced wireless infrastructure, this device provides the performance, power efficiency, and design flexibility to meet system requirements.

With full Vivado Design Suite support, a rich IP catalog, and proven UltraScale silicon reliability, the XCKU035-3FBVA900E is a proven choice for engineers building high-performance FPGA-based systems.