The XCKU115-2FLVF1924E is a high-performance Field Programmable Gate Array (FPGA) from Xilinx (now AMD), belonging to the Kintex® UltraScale™ family. Built on advanced 20nm process technology, this device delivers an outstanding balance of processing power, logic density, and cost-efficiency — making it one of the most capable mid-range FPGAs available for demanding applications such as 100G networking, medical imaging, 8K4K video processing, and wireless infrastructure.

Whether you are an embedded systems engineer, FPGA developer, or procurement specialist, this guide covers everything you need to know about the XCKU115-2FLVF1924E — from its core specifications and key features to its target applications and ordering details.

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What Is the XCKU115-2FLVF1924E?

The XCKU115-2FLVF1924E is part of the Xilinx FPGA Kintex UltraScale series — a family designed to offer the best price-to-performance-per-watt ratio at the 20nm node. The “XCKU115” designation refers to the Kintex UltraScale 115 device, while the suffix “-2FLVF1924E” encodes the speed grade (-2), package type (FLVF — Flip-Chip Fine-Line BGA), pin count (1924 pins), and temperature grade (E — Commercial/Extended).

Key Identifier Breakdown

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XCKU115-2FLVF1924E Full Technical Specifications

Core Logic Resources

Memory Resources

DSP and Arithmetic

I/O and Connectivity

Package and Electrical

Configuration and Security

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XCKU115-2FLVF1924E Key Features

#### Ultra-High Logic Density

With over 1.45 million logic cells and 663,360 CLB LUTs, the XCKU115-2FLVF1924E is the largest device in the Kintex UltraScale family. This makes it ideal for designs that require massive parallel processing, deep pipeline structures, or large control plane logic.

#### High-Speed Serial Transceivers

The device integrates 64 GTH transceivers capable of running at up to 16.3 Gb/s per lane, enabling support for industry-standard protocols including PCIe Gen3, 100GbE, Interlaken, JESD204B, and Aurora. This is critical for data center, networking, and high-bandwidth instrumentation applications.

#### Exceptional DSP Signal Processing Bandwidth

With 5,520 DSP slices, the XCKU115-2FLVF1924E delivers the highest DSP throughput in a mid-range FPGA family. The UltraScale DSP48E2 primitive supports cascading, pre-adders, and 27×18 multipliers, making it highly efficient for FIR filters, FFTs, matrix operations, and machine learning inference pipelines.

#### Monolithic and SSI Technology

The XCKU115 utilizes Stacked Silicon Interconnect (SSI) technology, where multiple super-logic regions (SLRs) are integrated into a single package using micro-bumps and interposer technology. This provides the logic density of a larger die while maintaining manufacturing yield and power efficiency.

#### Advanced Clocking with MMCM and PLL

Multiple MMCMs (Mixed-Mode Clock Managers) and PLLs allow precise clock generation, frequency synthesis, deskew, and phase adjustment — essential for multi-domain designs and high-speed I/O timing closure.

#### UltraScale Architecture ASIC-Like Clocking

The UltraScale architecture adopts ASIC-style clocking methodology with fine-grained clock gating, delivering up to 40% lower power compared to previous Xilinx FPGA generations.

#### Vivado Design Suite Compatibility

The XCKU115-2FLVF1924E is fully supported by the Xilinx Vivado Design Suite, which provides synthesis, implementation, IP integration (Vivado IP Integrator), simulation, and hardware debugging tools — enabling faster design closure and easier migration from 7-series devices.

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Target Applications for XCKU115-2FLVF1924E

The XCKU115-2FLVF1924E is purpose-built for compute- and I/O-intensive workloads. Below are the primary application domains where this device excels:

#### 100G Networking and Data Center

The GTH transceivers and large logic fabric make this FPGA ideal for 100GbE line cards, network switches, SmartNICs, and packet processing engines. It supports complex traffic management, deep packet inspection (DPI), and hardware-accelerated encryption.

#### Medical Imaging and Diagnostics

High DSP count and parallel data processing make the XCKU115-2FLVF1924E suitable for CT scanners, MRI signal reconstruction, ultrasound beam forming, and other real-time image processing pipelines where latency and precision are critical.

#### 8K4K Video Processing

With its massive DSP and memory resources, the device supports 8K and 4K video pipelines including color space conversion, scaling, frame synchronization, HEVC/H.265 encoding acceleration, and real-time video analytics.

#### Wireless Infrastructure (5G/LTE)

The FPGA’s combination of high-speed transceivers, DSP slices, and programmable logic makes it ideal for baseband processing in 5G NR and LTE base stations, supporting massive MIMO, beamforming, and JESD204B-connected RF transceivers.

#### High-Performance Computing (HPC)

Used in FPGA acceleration cards (such as those from Xilinx, Bittware, and Nallatech), the XCKU115 enables hardware-accelerated workloads including genomics, financial analytics, and neural network inference at the edge of the data center.

#### Test and Measurement (T&M)

Logic analyzers, protocol analyzers, high-speed ADC/DAC interfacing, and automated test equipment (ATE) benefit from the device’s large I/O count and transceiver density.

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Application Summary Table

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XCKU115-2FLVF1924E vs. Related Part Numbers

Xilinx uses a systematic naming convention. Here is how the XCKU115-2FLVF1924E compares to similar variants:

Tip: The “-2” speed grade represents the standard commercial performance bin. Choose “-3” for maximum timing margin or “-1” for lower-cost designs with relaxed timing. Use the “I” suffix (Industrial) if your operating environment extends below 0°C.

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Ordering Information

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Design Tools and Support Resources

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Frequently Asked Questions (FAQ)

Q: What is the difference between Kintex UltraScale and Kintex UltraScale+? The Kintex UltraScale is based on a 20nm process node, while Kintex UltraScale+ uses a 16nm FinFET process, adding UltraRAM blocks, improved DSP48E2 primitives, and better power efficiency. The XCKU115 is part of the original 20nm UltraScale family.

Q: Is the XCKU115-2FLVF1924E footprint-compatible with Virtex UltraScale devices? Yes. One of the key advantages of the UltraScale architecture is footprint compatibility between Kintex UltraScale and Virtex UltraScale devices in the same package, enabling scalability without PCB redesign.

Q: What voltage does the XCKU115-2FLVF1924E require? The core VCCINT supply operates between 0.922V and 0.979V (nominally 0.95V). Additional supplies are required for I/O banks (VCCO), auxiliary power (VCCAUX), and transceiver supplies. Consult the DS892 datasheet for complete power supply requirements.

Q: Can I use partial reconfiguration with this device? Yes. The XCKU115-2FLVF1924E fully supports partial reconfiguration (PR) through the Vivado Design Suite, allowing portions of the FPGA fabric to be reprogrammed at runtime without disrupting the rest of the design.

Q: What EDA tools are compatible with this device? The device is supported by Xilinx Vivado Design Suite (recommended), as well as third-party tools including Mentor Questa, Synopsys Synplify, and Cadence tools through appropriate IP export flows.

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Summary

The XCKU115-2FLVF1924E is an enterprise-grade FPGA delivering exceptional logic density (1.45M cells), high-speed serial connectivity (64× GTH transceivers at 16.3 Gb/s), and massive DSP performance (5,520 DSP slices) — all within a proven 20nm UltraScale architecture. Its 1924-pin FCBGA package, commercial/extended temperature rating, and full Vivado ecosystem support make it the FPGA of choice for engineers targeting 100G networking, 5G wireless, advanced medical imaging, 8K video, and high-performance computing acceleration platforms.