AMD Kintex-7 XC7K480T FPGA: Technical Analysis and Design Guide

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Published: 14 January 2026 | Last Updated: 14 January 2026

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XC7K480T-L2FFG1156I

XC7K480T-L2FFG1156I

Xilinx Inc.

3.35mm mm FPGAs Kintex®-7 Series 1156-BBGA, FCBGA 1mm mm

Purchase Guide

3.35mm mm FPGAs Kintex®-7 Series 1156-BBGA, FCBGA 1mm mm

Explore the AMD Kintex-7 XC7K480T FPGA features, including 477k logic cells, 12.5Gbps transceivers, and thermal design tips for high-performance I/O.

Product Introduction

Introduction

The Kintex-7 XC7K480T by AMD (formerly Xilinx) represents a strategic balance point in the 7 Series FPGA portfolio. Built on the 28nm node, this high-density FPGA is engineered to deliver the best price-performance-per-watt for applications requiring massive signal processing capabilities and high-bandwidth I/O. With nearly half a million logic cells and robust DSP resources, the XC7K480T serves as a critical component in next-generation LTE wireless base stations, medical imaging systems, and high-performance computing (HPC) environments where power efficiency cannot compromise throughput.

Key Technical Specifications

The XC7K480T stands out for its high logic density and integrated memory resources. The table below outlines the core operational parameters derived from the manufacturer's specifications.

FeatureSpecificationConditions
Logic Cells477,760Total available logic resources
DSP Slices1,920DSP48E1 slices (25 x 18 multiplier)
Total Block RAM34,380 Kb~35.2 Mb total internal memory
Max Transceiver Speed12.5 GbpsGTX Transceivers
Operating Voltage0.97V to 1.03VVCCINT Core Voltage
Max I/O Pins400Package dependent (FFG1156)
Memory SupportDDR3, DDR3L, LPDDR2High-speed memory interfaces

Architecture & Features

The architecture of the Kintex-7 XC7K480T is optimized for data-intensive processing. At its core, the device integrates 1,920 DSP48E1 slices, making it exceptionally capable of handling complex mathematical operations required in digital signal processing (DSP) and radar applications.

High-Speed Connectivity

The device features high-performance GTX transceivers capable of speeds up to 12.5 Gbps. These transceivers enable support for 10G and 40G wired networking protocols, as well as high-bandwidth video standards. Additionally, the integrated PCI Express Gen2 blocks simplify connectivity to host processors, reducing the soft logic required for interface implementation.

Agile Mixed Signal (AMS)

The inclusion of Agile Mixed Signal (AMS) technology allows for flexible analog-to-digital conversion and system monitoring directly on the chip, reducing the need for external discrete analog components and lowering the overall Bill of Materials (BOM) cost.

Design & Integration Guide

Pinout and Package Layout

The XC7K480T is available in high-density Flip-Chip BGA packages, such as the FFG1156 and FFG901. Proper layout is critical to signal integrity, particularly for the high-speed GTX lanes.

Design Troubleshooting (Pain Points)

Engineers often encounter specific challenges when integrating the XC7K480T into compact designs. Below are common issues and recommended solutions.

1. Thermal Management

  • Issue: The combination of high logic density (477k cells) and numerous high-speed transceivers generates significant heat, particularly in small form factors.

  • Solution: It is mandatory to utilize the Xilinx Power Estimator (XPE) early in the design phase to model thermal performance. Designs typically require robust active cooling solutions or large, custom heat sinks to maintain the junction temperature within safe limits.

2. BGA Assembly Complexity

  • Issue: The FFG1156 and FFG901 packages utilize fine-pitch BGA technology, which complicates PCB fabrication and assembly.

  • Solution: Designers must ensure their PCB vendor is capable of manufacturing high-layer count boards (often 10+ layers) with 0.8mm to 1.0mm pitch BGA support. Implementing via-in-pad technology is often necessary to break out all I/O signals effectively.

Typical Applications

The XC7K480T is versatile, finding homes in industries ranging from telecommunications to healthcare.

  • LTE Wireless Base Stations: Utilizing the massive DSP count for beamforming and signal filtering.

  • 10G/40G Wired Networking: Leveraging GTX transceivers for high-throughput data routing.

  • Broadcast Video Processing: Real-time encoding and decoding of high-definition video streams.

  • Medical Imaging: Processing data from MRI and CT scanners where precision and speed are paramount.

Comparison: XC7K480T vs. Competitors

When selecting an FPGA in this class, engineers often compare the Kintex-7 against Intel's Arria and Stratix lines, or Microchip's PolarFire.

FeatureAMD (Xilinx) XC7K480TIntel Arria 10 GXMicrochip PolarFire MPF500T
Process Node28nm20nm28nm SONOS
FocusPrice/Performance/WattMid-range PerformanceLow Power / Security
TransceiversGTX (12.5 Gbps)GT (up to 17.4 Gbps)12.7 Gbps
DSP StrengthHigh (1,920 slices)High (Variable blocks)Moderate (Math blocks)

While the Arria 10 GX offers a newer process node and slightly faster transceivers, the XC7K480T remains a dominant choice for legacy designs and systems requiring the specific DSP48E1 architecture. The PolarFire MPF500T is a strong competitor where static power consumption and thermal constraints are the primary concern, though the Kintex-7 often holds the edge in raw ecosystem support and IP availability.

FAQ

Q: What development boards are recommended for the XC7K480T?A: The KC705 Evaluation Kit is the standard reference platform. The Genesys 2 board is another popular option for academic and advanced hobbyist use.

Q: Does the XC7K480T support DDR4 memory?A: Native support is primarily for DDR3, DDR3L, and LPDDR2. DDR4 interfacing may be possible with specific IP and speed grade limitations, but DDR3 is the optimized standard for this generation.

Q: What is the primary advantage of the Kintex-7 over the Artix-7 series?A: The Kintex-7 offers significantly higher logic density, more DSP slices, and faster transceiver speeds (GTX vs. GTP), making it suitable for high-end signal processing rather than just logic control.

Q: Is the XC7K480T susceptible to clone issues?A: Current market signals indicate a "Medium" counterfeit risk. It is strongly advised to purchase through authorized distributors like DigiKey or Avnet to ensure authenticity.

Datasheet & Resources

For complete electrical characteristics, timing diagrams, and package dimensions, refer to the official documentation: 

Datasheet: XC7K480T Technical Documentation

Specifications

Xilinx Inc. XC7K480T-L2FFG1156I technical specifications, attributes, parameters and parts with similar specifications to Xilinx Inc. XC7K480T-L2FFG1156I.
  • Type
    Parameter
  • Factory Lead Time
    10 Weeks
  • Contact Plating

    Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.

    Copper, Silver, Tin
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    1156-BBGA, FCBGA
  • Number of I/Os
    400
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~100°C TJ
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tray
  • Series

    In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

    Kintex®-7
  • Published
    2010
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e1
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    4 (72 Hours)
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    3A991.D
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Tin/Silver/Copper (Sn/Ag/Cu)
  • HTS Code

    HTS (Harmonized Tariff Schedule) codes are product classification codes between 8-1 digits. The first six digits are an HS code, and the countries of import assign the subsequent digits to provide additional classification. U.S. HTS codes are 1 digits and are administered by the U.S. International Trade Commission.

    8542.39.00.01
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    0.97V~1.03V
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    BOTTOM
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    BALL
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    NOT SPECIFIED
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    0.95V
  • Terminal Pitch

    The center distance from one pole to the next.

    1mm
  • Reach Compliance Code

    Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.

    not_compliant
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    NOT SPECIFIED
  • JESD-30 Code

    JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.

    S-PBGA-B1156
  • RAM Size

    RAM size refers to the amount of random access memory (RAM) available in an electronic component, such as a computer or smartphone. RAM is a type of volatile memory that stores data and instructions that are actively being used by the device's processor. The RAM size is typically measured in gigabytes (GB) and determines how much data the device can store and access quickly for processing. A larger RAM size allows for smoother multitasking, faster loading times, and better overall performance of the electronic component. It is an important factor to consider when choosing a device, especially for tasks that require a lot of memory, such as gaming, video editing, or running multiple applications simultaneously.

    4.2MB
  • Propagation Delay

    the flight time of packets over the transmission link and is limited by the speed of light.

    110 ps
  • Programmable Logic Type

    Generally, programmable logic devices can be described as being one of three different types: Simple programmable logic devices (SPLD) Complex programmable logic devices (CPLD) Field programmable logic devices (FPGA).

    FIELD PROGRAMMABLE GATE ARRAY
  • Number of Logic Elements/Cells
    477760
  • Total RAM Bits

    Total RAM Bits refers to the total number of memory bits that can be stored in a Random Access Memory (RAM) component. RAM is a type of computer memory that allows data to be accessed in any random order, making it faster than other types of memory like hard drives. The total RAM bits indicate the capacity of the RAM chip to store data temporarily for quick access by the computer's processor. The more total RAM bits a component has, the more data it can store and process at any given time, leading to improved performance and multitasking capabilities.

    35205120
  • Number of LABs/CLBs
    37325
  • Number of Registers
    597200
  • Combinatorial Delay of a CLB-Max

    The Combinatorial Delay of a CLB-Max in electronic components refers to the time it takes for a signal to propagate through a combinational logic block (CLB) within a Field-Programmable Gate Array (FPGA) to reach its output. This delay is influenced by factors such as the complexity of the logic function being implemented, the routing resources available, and the physical distance the signal needs to travel within the CLB. Understanding and optimizing the Combinatorial Delay of a CLB-Max is crucial in designing efficient and high-performance digital circuits, as it directly impacts the overall speed and functionality of the FPGA design. By minimizing this delay, designers can achieve faster operation and improved performance in their electronic systems.

    0.61 ns
  • Length
    35mm
  • Height Seated (Max)

    Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.

    3.35mm
  • Width
    35mm
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
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XC7K480T-L2FFG1156I

Xilinx Inc.

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