The XCKU040-3FFVA1156C is a high-performance Xilinx FPGA from the Kintex® UltraScale™ family, manufactured by AMD (formerly Xilinx). Built on an advanced 20nm process node, this device delivers an exceptional balance of DSP performance, logic density, and power efficiency — making it one of the most capable mid-range FPGAs available for demanding applications. Whether you are designing for 100G networking, next-generation medical imaging, or high-bandwidth data center infrastructure, the XCKU040-3FFVA1156C provides the processing power and I/O flexibility to meet your requirements.
What Is the XCKU040-3FFVA1156C?
The XCKU040-3FFVA1156C is a member of the Kintex UltraScale FPGA product line — AMD Xilinx’s 20nm, first-generation UltraScale architecture platform. The part number breaks down as follows:
| Part Number Segment |
Meaning |
| XC |
Xilinx Commercial Device |
| KU |
Kintex UltraScale Family |
| 040 |
Device Size (040 logic density tier) |
| -3 |
Speed Grade 3 (highest performance grade) |
| FFVA |
Flip-Chip Fine-Pitch Ball Grid Array (FC-BGA) Package |
| 1156 |
1156-Pin Package |
| C |
Commercial Temperature Range (0°C to +85°C) |
The “-3” speed grade designation means this variant delivers the highest performance within the XCKU040 device family, achieving a maximum internal clock frequency of 850 MHz.
XCKU040-3FFVA1156C Key Specifications
The table below summarizes the core technical specifications for the XCKU040-3FFVA1156C:
| Parameter |
Specification |
| Family |
Kintex UltraScale |
| Manufacturer |
AMD (Xilinx) |
| Process Node |
20nm |
| Speed Grade |
-3 (Highest Performance) |
| System Logic Cells |
530,250 |
| Logic Blocks (LUTs) |
242,400 |
| Package Type |
FC-BGA (Flip-Chip Ball Grid Array) |
| Package Code |
FFVA1156 |
| Pin Count |
1156 Pins |
| Maximum User I/O |
520 |
| Maximum Clock Frequency |
850 MHz |
| VCCINT Supply Voltage |
922 mV – 979 mV (nominally 0.95V) |
| Operating Temperature |
0°C to +85°C (Commercial) |
| Total Block RAM |
21,606 Kbit |
| Clocking Resources |
MMCM and PLL |
| Mounting Type |
Surface Mount |
| RoHS Compliance |
Yes |
XCKU040-3FFVA1156C Logic and DSP Resources
The XCKU040 logic tier provides a rich set of programmable resources. Below is a detailed breakdown of on-chip resources for this device:
Programmable Logic Resources
| Resource |
Count |
| System Logic Cells |
530,250 |
| CLB LUTs |
242,400 |
| CLB Flip-Flops |
484,800 |
| CLB Count |
37,875 |
| Max Distributed RAM (Kbit) |
5,940 |
Memory Resources
| Resource |
Count |
| Block RAM Tiles (36Kb) |
600 |
| Total Block RAM (Kb) |
21,600 |
| UltraRAM (288Kb blocks) |
0 |
DSP Resources
| Resource |
Count |
| DSP48E2 Slices |
1,920 |
| Peak DSP Performance |
~8.2 TeraMACs (family-level) |
I/O and Transceiver Resources
| Resource |
Count |
| Maximum User I/O (HP + HR Banks) |
520 |
| HP (High-Performance) I/O Banks |
Available |
| HR (High-Range) I/O Banks |
Available |
| GTH Transceivers (up to 16.3 Gbps) |
20 |
| Integrated PCIe Gen3 Cores |
Supported |
| CMAC (100G Ethernet) |
Supported in family |
| MMCM |
Yes |
| PLL |
Yes |
UltraScale Architecture: What Makes It Stand Out
#### First ASIC-Class All Programmable Architecture
The Kintex UltraScale family was the first FPGA architecture to adopt ASIC-class routing and clocking structures. This means the XCKU040-3FFVA1156C benefits from a predictable, deterministic design flow that dramatically reduces timing closure effort in complex, high-utilization designs.
#### Next-Generation GTH Transceivers
The device incorporates GTH high-speed serial transceivers capable of operating up to 16.3 Gbps. These transceivers support a wide range of industry protocols including PCIe Gen3, JESD204B, Interlaken, CPRI, SRIO, and 10G/25G Ethernet — making the XCKU040-3FFVA1156C well-suited for high-bandwidth connectivity applications.
#### Advanced Clocking with MMCM and PLL
The XCKU040-3FFVA1156C includes both Mixed-Mode Clock Managers (MMCMs) and Phase-Locked Loops (PLLs), providing precise, low-jitter clock generation and management. These resources support frequency synthesis, phase shifting, and fine-grained clock domain control essential to multi-protocol designs.
#### Integrated PCIe Gen3 Hard IP
A fully integrated PCI Express Gen3 hard block eliminates the need to consume programmable logic fabric for PCIe interfaces, conserving LUT resources and improving latency for PCIe-connected applications such as NVMe storage, accelerator cards, and FPGA-based compute platforms.
#### Vivado Design Suite Compatibility
The XCKU040-3FFVA1156C is fully supported by AMD’s Vivado Design Suite, which provides synthesis, implementation, and timing analysis tools purpose-built for UltraScale devices. The co-optimized toolchain enables faster design closure compared to older FPGA families.
Package Information: FFVA1156 FC-BGA
The XCKU040-3FFVA1156C uses the FFVA1156 flip-chip, fine-pitch ball grid array package. This surface-mount package offers:
| Package Attribute |
Details |
| Package Type |
FC-BGA (Flip-Chip Ball Grid Array) |
| Total Pin Count |
1,156 Pins |
| Mounting Style |
Surface Mount Technology (SMT) |
| Ball Pitch |
Fine-Pitch |
| Package Footprint Compatibility |
Pin-compatible with Virtex UltraScale FFVA1156 devices for scalable designs |
The FFVA1156 footprint is pin-compatible with larger Virtex UltraScale devices in the same package, giving design teams an upgrade path to higher logic density without a PCB re-spin.
Electrical Characteristics
| Electrical Parameter |
Value |
| VCCINT (Core Voltage) |
0.922V – 0.979V (nominal 0.95V) |
| VCCAUX |
1.8V nominal |
| VCCO (I/O Bank Voltage) |
1.0V – 3.3V (bank-dependent) |
| Max Internal Clock (Speed Grade -3) |
850 MHz |
| Transceiver Data Rate (GTH) |
Up to 16.3 Gbps |
| DDR4 Support |
Up to 2,400 Mbps |
Operating Conditions
| Condition |
Range |
| Commercial Temperature Range |
0°C to +85°C (Junction) |
| Storage Temperature |
–55°C to +150°C |
| Humidity (Operating) |
Per JEDEC standards |
Note: The “C” suffix in XCKU040-3FFVA1156C designates the Commercial temperature grade. For extended (–40°C to +100°C) or industrial temperature operation, consider the “E” (Extended) or “I” (Industrial) suffix variants.
XCKU040-3FFVA1156C vs. Other XCKU040 Variants
The XCKU040 is available in multiple speed grades and temperature ranges. The table below compares the key speed-grade variants in the same FFVA1156 package:
| Part Number |
Speed Grade |
Max Clock |
Temperature |
Typical Use Case |
| XCKU040-1FFVA1156C |
-1 |
725 MHz |
Commercial |
Cost-sensitive, standard performance |
| XCKU040-2FFVA1156C |
-2 |
~787 MHz |
Commercial |
Balanced performance / power |
| XCKU040-3FFVA1156C |
-3 |
850 MHz |
Commercial |
Highest performance, demanding designs |
| XCKU040-3FFVA1156E |
-3 |
850 MHz |
Extended |
High performance, wider temp range |
| XCKU040-3FFVA1156I |
-3 |
850 MHz |
Industrial |
High performance, industrial environments |
Top Application Areas for the XCKU040-3FFVA1156C
#### 100G Networking and Packet Processing
The combination of GTH transceivers, integrated PCIe Gen3, and high DSP throughput makes the XCKU040-3FFVA1156C ideal for line-rate 100G Ethernet packet processing, deep packet inspection (DPI), and network function virtualization (NFV) applications.
#### Data Center Acceleration
FPGA-based accelerators in data centers demand high I/O bandwidth, efficient memory interfaces, and deterministic latency. The XCKU040-3FFVA1156C’s DDR4 support at 2,400 Mbps and large Block RAM pool enable low-latency, high-throughput compute offload applications.
#### Next-Generation Medical Imaging
The high DSP slice count (1,920 DSP48E2) and fast clock speeds support the real-time signal processing pipelines required for CT, MRI, and ultrasound imaging systems, where throughput and latency directly impact image quality.
#### 8K/4K Video Processing
Demanding video applications such as 8K4K broadcast production, video analytics, and machine vision benefit from the high fabric utilization capacity and large memory bandwidth provided by this device.
#### Wireless Infrastructure (5G/LTE)
The XCKU040-3FFVA1156C supports heterogeneous wireless infrastructure designs including massive MIMO baseband processing, CPRI/eCPRI front-haul interfaces via GTH transceivers, and high-speed DSP chains for channel equalization and coding.
#### Test and Measurement Equipment
High-frequency I/O banks, precision clocking, and large logic capacity make this FPGA well-suited for high-speed digitizer boards, protocol analyzers, and automated test equipment (ATE).
Design Tool and IP Ecosystem
| Tool / Resource |
Details |
| Primary Design Suite |
AMD Vivado Design Suite (recommended) |
| IP Integrator |
Vivado IP Integrator / Block Design |
| Soft Processors |
MicroBlaze 32-bit soft processor |
| High-Level Synthesis |
Vitis HLS (C/C++ to RTL) |
| Simulation |
Vivado Simulator, ModelSim, Questa |
| Reference Designs |
Available via AMD/Xilinx IP catalog |
| Constraint Files |
XDC (Xilinx Design Constraints) |
Ordering Information
| Attribute |
Detail |
| Manufacturer Part Number |
XCKU040-3FFVA1156C |
| Manufacturer |
AMD (Xilinx) |
| Product Family |
Kintex UltraScale |
| Package |
1156-Pin FC-BGA (FFVA1156) |
| Speed Grade |
-3 |
| Temperature Grade |
C (Commercial, 0°C to +85°C) |
| Packaging |
Tray |
| RoHS Status |
RoHS Compliant |
| ECCN |
3A991.a.2 (export classification may vary) |
Frequently Asked Questions
Q: What is the difference between XCKU040-3FFVA1156C and XCKU040-3FFVA1156E? The only difference is the temperature grade. The “C” suffix is Commercial (0°C to +85°C junction temp); the “E” suffix is Extended (–40°C to +100°C). All logic, I/O, and performance specifications are identical.
Q: Is the XCKU040-3FFVA1156C pin-compatible with Virtex UltraScale in the same package? Yes. The FFVA1156 package is footprint-compatible with Virtex UltraScale FFVA1156 devices, enabling a seamless upgrade path to higher device capacities on the same PCB.
Q: What Vivado version supports the XCKU040-3FFVA1156C? Vivado 2015.4 or later is required for full production support of this device. AMD recommends using the latest Vivado release for the most up-to-date IP and timing data.
Q: Does the XCKU040-3FFVA1156C support DDR4 memory? Yes. HP (High-Performance) I/O banks on the device support DDR4 interfaces at up to 2,400 Mbps, enabling high-bandwidth memory subsystems for data-intensive applications.
Q: What transceivers are included in the XCKU040? The XCKU040 includes 20 GTH transceivers capable of up to 16.3 Gbps per lane, supporting protocols such as PCIe Gen3, JESD204B, Interlaken, CPRI, 10G/25G Ethernet, and SATA/SAS.
Summary
The XCKU040-3FFVA1156C is AMD Xilinx’s highest-performance commercial-grade configuration of the XCKU040, offering 530,250 system logic cells, 1,920 DSP slices, 20 GTH transceivers, and an 850 MHz maximum clock frequency within the compact, PCB-friendly 1156-pin FC-BGA package. Its ASIC-class UltraScale architecture, paired with full Vivado Design Suite support, makes it a trusted choice for engineers pushing the boundaries of networking, data center, broadcast, medical, and wireless design.
For teams who need scalability, the FFVA1156 footprint compatibility with larger Virtex UltraScale devices ensures that choosing the XCKU040-3FFVA1156C is not a dead-end — it is the foundation of a long-term platform strategy.