Meta Description: The XCKU040-2FFVA1156E is a high-performance Kintex UltraScale FPGA from AMD Xilinx featuring 530,250 logic cells, 520 I/Os, and 20nm technology — ideal for 100G networking, DSP, and data center applications.
What Is the XCKU040-2FFVA1156E?
The XCKU040-2FFVA1156E is a field-programmable gate array (FPGA) from AMD Xilinx, belonging to the Kintex® UltraScale™ family. Built on TSMC’s 20nm high-k metal gate (HKMG) process, it delivers exceptional price-to-performance-per-watt efficiency for mid-range FPGA applications.
As part of the broader family of Xilinx FPGA devices, the XCKU040-2FFVA1156E is designed for demanding workloads including 100G packet processing, next-generation medical imaging, 8K/4K video, heterogeneous wireless infrastructure, and high-performance DSP computing.
XCKU040-2FFVA1156E Key Specifications at a Glance
| Parameter |
Value |
| Part Number |
XCKU040-2FFVA1156E |
| Manufacturer |
AMD (formerly Xilinx) |
| Family |
Kintex® UltraScale™ |
| Technology Node |
20nm TSMC HKMG |
| Speed Grade |
-2 (Mid Speed Grade) |
| System Logic Cells |
530,250 |
| CLB Flip-Flops |
484,800 |
| User I/O |
520 |
| Package |
1156-Pin FCBGA (FFVA1156) |
| Package Type |
Flip Chip Ball Grid Array |
| Supply Voltage (VCCINT) |
0.922V – 0.979V (typical 0.95V) |
| Operating Temperature |
0°C to 100°C (Commercial) |
| Tray/Packaging |
Tray |
XCKU040-2FFVA1156E Logic and Memory Resources
The XCKU040-2FFVA1156E offers an extensive set of programmable logic and embedded memory resources well-suited for complex digital design implementation.
| Resource |
Quantity |
| System Logic Cells |
530,250 |
| CLB LUTs |
242,400 |
| CLB Flip-Flops |
484,800 |
| Max Distributed RAM (Kb) |
3,386 |
| Block RAM Tiles |
600 |
| Block RAM (Mb) |
21.1 |
| UltraRAM (Mb) |
0 |
| DSP Slices |
1,920 |
| MMCMs |
10 |
| PLLs |
20 |
XCKU040-2FFVA1156E I/O and Transceiver Capabilities
#### High-Speed Transceiver Performance
The XCKU040-2FFVA1156E integrates next-generation high-speed serial transceivers, enabling high-bandwidth connectivity in backplane and chip-to-chip applications.
| I/O Feature |
Specification |
| User I/O Pins |
520 |
| GTH Transceivers (16.3 Gb/s) |
20 |
| Max LVDS Pairs |
200 |
| PCIe® Gen3 Blocks |
2 |
| Maximum DDR4 Speed |
2,400 Mb/s |
| I/O Standards Supported |
LVDS, SSTL, HSTL, LVCMOS, POD |
#### Package and Pin-Out Details
The FFVA1156 package (Flip Chip BGA, 1156 pins) is designed for high pin-density boards while maintaining footprint compatibility with Virtex® UltraScale™ devices for design scalability.
XCKU040-2FFVA1156E Performance and Speed
#### Clock and Processing Performance
| Performance Metric |
Value |
| Maximum Operating Frequency |
661 MHz (logic), 725 MHz (DSP) |
| DSP Compute Performance |
Up to 2.2 TeraMACs |
| Transceiver Line Rate |
Up to 16.3 Gb/s (GTH) |
| Memory Bandwidth (DDR4) |
2,400 Mb/s |
| PCIe Throughput |
Gen3 x8 per block |
The UltraScale™ architecture is the first ASIC-class All Programmable architecture capable of multi-hundred Gbps levels of system performance, making it highly competitive against application-specific integrated circuits (ASICs) in performance-critical designs.
XCKU040-2FFVA1156E Architecture and Design Technology
#### UltraScale™ Architecture Advantages
The Kintex UltraScale architecture introduces several next-generation design innovations:
- ASIC-Like Clocking: Fine-grained clock gating reduces dynamic power consumption significantly compared to prior FPGA generations.
- Next-Generation Routing: Improved routing architecture reduces congestion and increases utilization efficiency at high logic densities.
- 3D IC Technology: Leverages 2nd-generation stacked silicon interconnect (SSI) technology for high-bandwidth chip-to-chip communication.
- UltraRAM Integration (family-wide): On-chip UltraRAM reduces bill-of-materials (BOM) cost by eliminating external memory components in many designs.
- Vivado® Design Suite Co-Optimization: Enables rapid design closure with advanced placement and routing algorithms.
#### Power Efficiency
The XCKU040-2FFVA1156E delivers up to 40% lower power consumption versus the previous 7-Series generation, achieved through:
- 20nm low-power TSMC process
- Fine-grained clock gating
- Optimized HKMG transistors with reduced leakage current
- Power-aware Vivado routing
XCKU040-2FFVA1156E Applications and Use Cases
The XCKU040-2FFVA1156E is engineered for demanding commercial and industrial applications where high logic density, signal processing bandwidth, and transceiver performance are critical.
| Application Area |
How XCKU040 Helps |
| 100G Networking & Packet Processing |
GTH transceivers + PCIe Gen3 enable line-rate processing |
| Data Center Acceleration |
High logic density and DDR4 support for compute offload |
| Medical Imaging (MRI, CT, Ultrasound) |
High DSP slice count for real-time image reconstruction |
| 8K/4K Video Processing |
Massive logic resources for multi-stream video pipelines |
| Wireless Infrastructure (5G/LTE) |
High-bandwidth I/O + DSP for baseband processing |
| Aerospace & Defense (SEE-tested) |
NASA-validated SEE response for mission-critical systems |
| Test & Measurement Equipment |
High I/O count and precise clocking for signal analysis |
| High-Performance Computing (HPC) |
Scalable compute acceleration for algorithmic workloads |
XCKU040-2FFVA1156E Ordering Information and Part Number Decoder
Understanding the AMD Xilinx FPGA part number naming convention helps engineers quickly identify the correct variant.
| Segment |
Meaning |
This Device |
| XC |
Xilinx Commercial |
Xilinx |
| KU |
Kintex UltraScale Family |
Kintex UltraScale |
| 040 |
Device Size (logic capacity) |
Mid-range density |
| -2 |
Speed Grade |
Mid speed (-2) |
| FFVA |
Package Type (Flip Chip BGA) |
FCBGA |
| 1156 |
Pin Count |
1156 pins |
| E |
Temperature Grade |
Commercial (0°C to 100°C) |
#### Available Speed and Temperature Variants
| Part Number |
Speed Grade |
Temp Range |
Notes |
| XCKU040-1FFVA1156C |
-1 (Slowest) |
0°C – 100°C |
Commercial, lower cost |
| XCKU040-2FFVA1156E |
-2 (Mid) |
0°C – 100°C |
Commercial, balanced |
| XCKU040-2FFVA1156I |
-2 (Mid) |
-40°C – 100°C |
Industrial temp range |
| XCKU040-3FFVA1156E |
-3 (Fastest) |
0°C – 100°C |
Maximum performance |
XCKU040-2FFVA1156E vs. Similar Kintex UltraScale Devices
| Feature |
XCKU025 |
XCKU040 |
XCKU060 |
XCKU095 |
| Logic Cells |
326,400 |
530,250 |
725,625 |
1,143,000 |
| DSP Slices |
1,080 |
1,920 |
2,760 |
4,320 |
| Block RAM (Mb) |
13.0 |
21.1 |
28.1 |
44.0 |
| GTH Transceivers |
16 |
20 |
32 |
48 |
| User I/O |
312 |
520 |
520 |
680 |
| Best For |
Cost-optimized |
Balanced mid-range |
High density |
Ultra-high capacity |
The XCKU040-2FFVA1156E occupies the sweet spot for engineers who need significantly more logic and DSP than entry-level Kintex devices without paying for the full capacity of the larger XCKU060 or XCKU095 variants.
Development Tools and Ecosystem
#### Vivado® Design Suite
The XCKU040-2FFVA1156E is fully supported by AMD’s Vivado® Design Suite, which provides:
- Synthesis and implementation with UltraScale-optimized algorithms
- Integrated logic analyzer (ILA) for in-system debugging
- IP Integrator for block-level design assembly
- Power analysis and optimization tools
#### Evaluation and Development Kits
| Kit |
Description |
| KCU105 Evaluation Kit |
AMD reference board featuring the XCKU040 FPGA |
| JTAG-SMT2-NC |
Digilent surface-mount programmer for JTAG configuration |
| JTAG-SMT3-NC |
Advanced surface-mount programmer with higher bandwidth |
XCKU040-2FFVA1156E Reliability and Quality
#### NASA SEE Testing
The XCKU040-2FFVA1156E has been subject to NASA Electronic Parts and Packaging (NEPP) single event effect (SEE) radiation testing, making it one of the few commercial FPGAs with detailed radiation characterization data available for space-adjacent and high-reliability applications. Testing evaluated Single Event Upsets (SEU), Single Event Latch-Up (SEL), and Single Event Functional Interrupts (SEFI) under heavy-ion particle exposure.
#### Quality and Compliance
| Attribute |
Detail |
| Manufacturer Warranty |
12 months from date of purchase |
| RoHS Compliance |
Yes |
| Export Control |
Check ECCN classification before export |
| Configuration Interface |
JTAG, SelectMAP (8/16/32-bit), SPI |
Frequently Asked Questions About the XCKU040-2FFVA1156E
#### What does the “-2” speed grade mean on the XCKU040-2FFVA1156E?
The “-2” designates the mid-speed grade in the Kintex UltraScale family hierarchy. Speed grades range from -1 (slowest, lowest power) to -3 (fastest, highest performance). The -2 grade offers a balance between maximum clock frequency and power consumption, making it the most popular choice for most production designs.
#### Is the XCKU040-2FFVA1156E compatible with the Virtex UltraScale package footprint?
Yes. AMD Xilinx designed the UltraScale family with footprint compatibility between Kintex UltraScale and Virtex® UltraScale™ devices sharing the same package, allowing engineers to scale their designs up or down without a full PCB redesign.
#### What configuration interfaces does the XCKU040-2FFVA1156E support?
The device supports JTAG, SelectMAP (8-bit, 16-bit, and 32-bit parallel), SPI (x1, x2, x4, x8), and BPI (parallel NOR flash) configuration modes, giving designers flexibility in boot and configuration architecture.
#### Can the XCKU040-2FFVA1156E be used in industrial temperature applications?
The “E” suffix designates commercial temperature range (0°C to 100°C). For industrial temperature range (-40°C to 100°C), the equivalent part number is the XCKU040-2FFVA1156I.
#### What PCIe generation does the XCKU040-2FFVA1156E support?
It integrates two hard PCIe® Gen3 blocks, each capable of supporting x8 lane configurations, delivering high-bandwidth host interface connectivity for data center and compute acceleration designs.
Summary: Why Choose the XCKU040-2FFVA1156E?
The XCKU040-2FFVA1156E is a mid-range powerhouse in the AMD Xilinx Kintex UltraScale portfolio. It delivers:
- 530,250 system logic cells for large, complex designs
- 20nm power efficiency — up to 40% lower power than 7-Series
- 520 user I/Os with 20 high-speed GTH transceivers at up to 16.3 Gb/s
- 1,920 DSP slices for signal processing-intensive workloads
- Dual PCIe Gen3 blocks for modern host interface requirements
- Full Vivado® Design Suite support for rapid design closure
- NASA-characterized SEE behavior for high-reliability applications
Whether you’re developing 100G networking equipment, data center accelerators, advanced medical imaging systems, or 5G wireless infrastructure, the XCKU040-2FFVA1156E provides the logic density, transceiver bandwidth, and power efficiency required to bring high-performance designs to production.