What Is the XCKU040-2SFVA784I?
The XCKU040-2SFVA784I is a high-performance mid-range FPGA from AMD/Xilinx, belonging to the Kintex® UltraScale™ family. Manufactured at 20nm process technology, this device delivers an exceptional balance of logic density, DSP performance, and power efficiency — making it a leading choice for demanding embedded applications in industrial, communications, and data processing markets.
If you are looking for a proven Xilinx FPGA platform that combines high signal processing bandwidth with cost-effective packaging, the XCKU040-2SFVA784I is a top contender in the mid-range segment.
XCKU040-2SFVA784I Key Features
The XCKU040-2SFVA784I stands out for several reasons:
- UltraScale Architecture — AMD’s advanced monolithic architecture offering increased performance and on-chip UltraRAM to reduce BOM cost.
- 20nm Process Technology — Delivers optimal performance-per-watt compared to older-generation FPGA families.
- 530,250 Logic Cells — Sufficient density for complex multi-function designs without moving to a larger, more expensive device.
- 784-Pin FC-BGA Package — Low-cost, compact footprint suitable for space-constrained PCB designs.
- Industrial Temperature Grade (“I” suffix) — Rated for –40°C to 100°C junction temperature, enabling deployment in harsh environments.
- Speed Grade -2 — A balanced mid-range speed grade offering strong performance at production-level availability.
- Next-Generation Transceivers — High-speed serial I/O enabling PCIe, 10GbE, JESD204B, and other high-bandwidth protocols.
XCKU040-2SFVA784I Full Technical Specifications
General Specifications
| Parameter |
Value |
| Manufacturer |
AMD (Xilinx) |
| Part Number |
XCKU040-2SFVA784I |
| FPGA Family |
Kintex UltraScale |
| Process Technology |
20nm |
| Speed Grade |
-2 |
| Temperature Grade |
Industrial (I) |
| Operating Voltage (VCCINT) |
0.922V – 0.979V (nominal 0.95V) |
| Package |
784-Pin FC-BGA (BFBGA-784) |
| Package Size |
23 × 23 mm |
| Mounting Type |
Surface Mount |
| RoHS Status |
Compliant |
| Packaging / Tray |
Tray |
Logic & Memory Resources
| Resource |
Quantity |
| Logic Cells |
530,250 |
| CLBs (Configurable Logic Blocks) |
30,300 |
| Total RAM Bits |
21,606,000 |
| User I/O |
468 |
Electrical & Thermal Characteristics
| Parameter |
Value |
| Supply Voltage (VCCINT) |
0.922V – 0.979V |
| Nominal Core Voltage |
0.95V |
| Operating Temperature (TJ) |
–40°C ~ 100°C |
| Mounting |
Surface Mount Technology (SMT) |
Package & Physical Details
| Parameter |
Value |
| Package Type |
FC-BGA (Flip-Chip Ball Grid Array) |
| Pin Count |
784 |
| Package Code |
SFVA784 |
| Package Dimensions |
23 × 23 mm |
| Supplier Device Package |
784-FCCSPBGA |
Part Number Breakdown: Decoding XCKU040-2SFVA784I
Understanding the Xilinx part number structure helps engineers quickly assess the device’s capabilities at a glance:
| Segment |
Meaning |
| XC |
Xilinx Commercial/Industrial FPGA |
| KU |
Kintex UltraScale family |
| 040 |
Device size (density tier within family) |
| -2 |
Speed grade (-3 fastest, -1 slowest; -2 = mid performance) |
| S |
Screened for production |
| FVA |
Package type code (FC-BGA) |
| 784 |
Pin count |
| I |
Temperature grade: Industrial (–40°C to 100°C TJ) |
XCKU040-2SFVA784I: Target Applications
The XCKU040-2SFVA784I is designed for a wide range of high-performance applications:
Wired Communications & Networking
High DSP-to-logic ratios and next-generation transceivers make this FPGA ideal for line-card processing, packet classification, and 10/40G Ethernet switching applications.
Industrial Automation & Control
The industrial temperature range (–40°C to 100°C TJ) makes the XCKU040-2SFVA784I well-suited for motor control, machine vision, real-time sensor fusion, and PLC acceleration.
Medical & Scientific Imaging
High logic density combined with UltraRAM enables real-time image processing pipelines, ultrasound beamforming, and CT reconstruction accelerators.
Data Center Acceleration
PCIe-connected FPGA cards leverage the XCKU040’s transceivers and DSP blocks for workload acceleration, database offload, and network function virtualization (NFV).
Defense & Aerospace (Industrial Grade)
The wide operating temperature range and high reliability of Kintex UltraScale devices supports ruggedized platforms where COTS industrial parts are acceptable.
XCKU040-2SFVA784I vs. Competing Kintex UltraScale Devices
| Part Number |
Logic Cells |
I/O Pins |
Package Pins |
Speed Grade |
Temp Grade |
| XCKU025-2SFVA784I |
~332,000 |
312 |
784 |
-2 |
Industrial |
| XCKU040-2SFVA784I |
530,250 |
468 |
784 |
-2 |
Industrial |
| XCKU060-2SFVA784I |
~725,400 |
468 |
784 |
-2 |
Industrial |
| XCKU085-2FLVA1517I |
~1,045,440 |
832 |
1517 |
-2 |
Industrial |
The XCKU040 occupies the sweet spot between the entry-level KU025 and the larger KU060 — offering 530K logic cells and 468 I/O in the same compact 784-pin package as its smaller sibling, at a substantially lower cost than the KU060.
Design Tools & Software Support
The XCKU040-2SFVA784I is fully supported by AMD’s Vivado Design Suite, the industry-standard toolchain for UltraScale family devices:
| Tool |
Purpose |
| Vivado Design Suite |
Synthesis, implementation, timing analysis |
| Xilinx Power Estimator (XPE) |
Pre-silicon power budgeting |
| Vivado IP Integrator |
Block design, IP integration |
| ChipScope Pro / ILA |
On-chip debug and signal probing |
| PetaLinux Tools |
Embedded Linux for MicroBlaze soft-core |
Minimum Vivado Version: The XCKU040 requires Vivado 2015.2 or later for production-level support, with the recommended minimum being Vivado 2016.4 for production speed specification v1.23.
Ordering & Availability Information
| Attribute |
Detail |
| Manufacturer Part Number |
XCKU040-2SFVA784I |
| Manufacturer |
AMD / Xilinx |
| DigiKey Part Number |
1455-1XCKU040-2SFVA784I-ND |
| Mouser Part Number |
Available — search XCKU040-2SFVA784I |
| Status |
Active / Production |
| Packaging |
Tray |
| Minimum Order Quantity |
1 (varies by distributor) |
Tip: For volume pricing and lead time confirmation on the XCKU040-2SFVA784I, always verify stock directly with an authorized AMD/Xilinx distributor such as DigiKey, Mouser, or Avnet.
Frequently Asked Questions (FAQ)
What is the difference between XCKU040-2SFVA784I and XCKU040-1SFVA784I?
The only difference is the speed grade. The -2 variant offers higher maximum operating frequencies compared to the -1 variant. Both share identical logic resources, package, and temperature rating.
Is XCKU040-2SFVA784I RoHS compliant?
Yes, the XCKU040-2SFVA784I carries RoHS compliance status, making it suitable for lead-free designs and products targeting the European market.
What is the core voltage for XCKU040-2SFVA784I?
The device operates with a VCCINT supply range of 0.922V to 0.979V, with a nominal voltage of 0.95V.
What programming file format does the XCKU040-2SFVA784I use?
The XCKU040-2SFVA784I uses AMD/Xilinx bitstream (.bit) files generated by Vivado, and can be configured via JTAG, SPI flash, or BPI flash interfaces.
Can XCKU040-2SFVA784I be used in automotive applications?
The standard “I” suffix denotes industrial-grade screening. For automotive applications, AMD offers separate AEC-Q100-qualified variants (typically “Q” or “XQ” prefix). Always verify the required qualification level for automotive designs.
Summary
The XCKU040-2SFVA784I is a proven, production-grade FPGA that delivers 530,250 logic cells, 21.6 million RAM bits, and 468 user I/Os in a compact 784-pin FC-BGA package, all within an industrial temperature envelope. Built on AMD’s 20nm UltraScale architecture, it provides the processing headroom, I/O flexibility, and long-term availability that demanding embedded applications require.
Whether you’re designing a data center acceleration card, an industrial vision system, or a high-throughput communications platform, the XCKU040-2SFVA784I offers a compelling combination of capability, power efficiency, and cost-effectiveness in the mid-range FPGA segment.
