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Home > FPGA Technology > FPGA > DELVING INTO Xilinx Spartan-6 XC6SLX9 2TQG144C: Features, Applications, Pinout Diagram, and DataSheet - FPGA Technology

DELVING INTO Xilinx Spartan-6 XC6SLX9 2TQG144C: Features, Applications, Pinout Diagram, and DataSheet

Date: Sep 07, 2023

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When it comes to FPGA, we must mention Xilinx's Spartan-6 series, renowned for its cost-effectiveness and versatility. Amongst this series, the XC6SLX9-2TQG144C holds a significant position. This article will delve into the features, pinout diagram, detailed specifications, application domains, and how to fully leverage its potential in your project.

 XC6SLX9-2TQG144C Chip

Overview of XC6SLX9 FPGA

The XC6SLX9 FPGA belongs to Xilinx's Spartan-6 series, representing one chip model in the Xilinx FPGA product family. It is a versatile programmable chip suitable for various applications across different domains.

The key features of the XC6SLX9 FPGA



High Logic Density

Offers a high number of logic cells for complex designs.

Flexible I/Os

Provides a variety of user-programmable I/O pins for connectivity.

On-Chip Distributed RAM

Includes 576 Kb of on-chip distributed RAM for data storage.

DSP Slices

16 dedicated DSP slices for signal processing tasks.

Clock Management

Supports PLLs and MMCMs for clock generation and distribution.

Low-Power Options

Designed for low-power applications, suitable for battery-powered devices.

Security Features

Offers hardware-based encryption and secure boot capabilities.

Wide Temperature Range

Available in both commercial and industrial temperature ranges.

Pinout Diagram

XC6SLX9-2TQG144C Pinout Diagram


Detailed Specifications of XC6SLX9-2TQG144C FPGA



Logic Resources

Approximately 9,000 Logic Cells (LUTs)

User-Programmable I/Os


Distributed RAM Capacity

576 Kb

Digital Signal Processing (DSP) Slices


Maximum Clock Frequency

Depends on design and operating conditions, typically above 100 MHz

Supported Communication Protocols

PCIe, Ethernet, USB, etc.

Low-Power Design Support


Internal Clock Management Resources

PLLs and MMCMs support

Hardware Security Features

Hardware encryption and secure boot support

Operating Voltage


Operating Temperature Range

Commercial: 0°C to 85°C, Industrial: -40°C to 100°C

Package Type

TQG144 (144-pin TQFP package)

Supported Development Tools

Vivado, ISE Design Suite, etc.

Application Domains

The XC6SLX9-2TQG144C FPGA plays a crucial role in various applications, including:

Application Area


Industrial Automation

Used in industrial control systems like PLCs and data acquisition devices.


Suitable for network switching equipment, data transmission applications, etc.

Medical Devices

Applied in medical imaging, signal processing, and control systems.

Embedded Systems

Used for control, data processing, and user interfaces in embedded systems.

Consumer Electronics

Suitable for applications like HDTVs, audio processing, and gaming controllers.

Academic and Educational

Used for teaching and experiments in universities and high schools.


Allows rapid hardware prototyping for various applications.

System Integration

Enables the integration of multiple external interfaces and protocols.


Development Process

Hardware Planning and Design

1. Define Project Requirements: Start by clarifying your project requirements and objectives. Determine the tasks you want the FPGA to perform, including required input and output interfaces, timing constraints, and performance metrics.

2. Design Architecture: Based on project requirements, design the hardware architecture of the FPGA. This includes specifying the configuration of logic elements, signal routing, and external interfaces.

3. Select Development Board: If you don't have a custom hardware board, choose a development board or evaluation kit that suits the XC6SLX9 FPGA. Ensure that the selected board supports your project requirements.


FPGA Programming

1. Install Development Tools: Download and install Xilinx's development tool suite, such as Vivado or ISE Design Suite.

2. Create Project: Use the development tools to create a new project, specifying the FPGA model (XC6SLX9-2TQG144C) and development board.

3. Design FPGA Logic: Write your FPGA logic using hardware description languages (HDL) like VHDL or Verilog. This includes designing digital circuits, state machines, data paths, etc.

4. Simulation and Verification: Before loading the design onto the FPGA, validate its correctness using simulation tools to ensure that the logic operates as expected.


Synthesis and Implementation

1. Synthesis: Use development tools to synthesize your design, translating the HDL code into FPGA configuration files.

2. Place and Route: The development tools generate placement and routing information based on synthesis results, determining the location of logic elements on the FPGA and how they are connected.


Bitstream Generation

1. Bitstream File Generation: Use development tools to generate the bitstream file, a binary file required for configuring the FPGA.


FPGA Configuration

1. Connect Development Board: Connect the development board to your computer to ensure proper communication and configuration.

2. Load Bitstream File: Use the JTAG interface or other supported methods to load the Bitstream file onto the FPGA.


Software Development (If Applicable)

1. Embedded Software: If your project requires embedded software to run on a processor system within the FPGA, develop and compile the software, then load it onto the FPGA.


Debugging and Testing

1. Logic Analyzer: Utilize tools like a logic analyzer to debug and verify the functionality of the FPGA.

2. Performance Evaluation: Test the FPGA's performance to ensure it meets project requirements.


Deployment and Maintenance

1. Deploy to Target Environment: Once development and testing are complete, deploy the FPGA system in the target environment.

2. Maintenance and Updates: Maintain the FPGA system to ensure stability and performance. Make updates and improvements as necessary.


Documentation and Knowledge Sharing

1. Documentation: Keep records of your design and development process for future reference and knowledge sharing.

2. Knowledge Sharing: If there are team members involved, share your FPGA project experience and knowledge to promote learning and development within the team.

Please note that these steps represent a general development process, and specific projects may have different requirements and steps. Throughout the development process, Xilinx's technical documentation, online communities, and support resources can be invaluable. To ensure the smooth progression of your project, it's advisable to regularly back up project files.




Detailed Documentation

Read the datasheets and technical documentation thoroughly for a deep understanding.

Development Tools

Choose and configure Xilinx's official development tools, like Vivado or ISE Design Suite.

Version Control

Use version control systems (e.g., Git) to track code changes, manage the project, and backup project files.

Modular Design

Divide your FPGA design into modules for better maintainability and testability.

Simulation and Validation

Use simulation tools to comprehensively test and validate your FPGA design.

Regular Backups and Documentation

Backup project files regularly and document design decisions, troubleshooting steps, and configurations.

Power Management

Pay attention to power management, especially for battery-powered applications.

Security Considerations

Implement hardware security features for applications handling sensitive data.

Debugging Tools

Prepare debugging tools like logic analyzers to aid in identifying and resolving issues.

Environmental Testing

Ensure that the testing environment mimics the target environment for accurate performance data.

Compliance and Licensing

Ensure that your FPGA project complies with applicable regulations and licensing requirements.

Team Collaboration

If multiple team members are involved, maintain good communication and collaboration practices.

Regular Updates and Maintenance

Periodically check the performance and stability of the FPGA system and perform necessary updates and maintenance.

These considerations can help you plan, develop, and maintain your FPGA project, ensuring its successful execution. Whether you are a beginner or an experienced engineer, adhering to these guidelines can mitigate project risks and lead to success.


XC6SLX9-2TQG144C Datasheet

Spartan-6 Family Overview


The XC6SLX9-2TQG144C FPGA is a versatile enhanced logic device within Xilinx's Spartan-6 series. Its flexibility, logic resources, and low-power design make it highly valuable in various applications. Whether you are involved in engineering design, communication, medical fields, or other domains, the XC6SLX9-2TQG144C FPGA could be an ideal choice to realize innovative digital logic solutions. To fully harness the potential of this FPGA, we recommend delving into its technical specifications and utilizing Xilinx's development tools for design and programming. We hope this article provides you with a deeper understanding of the XC6SLX9-2TQG144C FPGA.

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  • Is Spartan 6 obsolete?
  • The Spartan-6 FPGA from Xilinx is considered an older-generation FPGA and is no longer in active production. Therefore, it can be considered obsolete in terms of new production runs. However, existing Spartan-6 devices may still be available in the market as new old stock or from secondary sources.
  • What is Spartan 6 FPGA?
  • Spartan-6 is a family of field-programmable gate arrays (FPGAs) developed by Xilinx. These FPGAs offer a range of capabilities and are used for various applications such as digital logic design, signal processing, and embedded system development.
  • Does vivado support Spartan 6?
  • Yes, Xilinx's Vivado software does support the Spartan-6 family of FPGAs. However, support for Spartan-6 devices may be limited in newer versions of Vivado, as Xilinx has shifted its focus to more recent FPGA families like the Artix-7, Kintex-7, and Virtex-7.
  • What is the process technology of Spartan 6?
  • The Spartan-6 FPGA family was manufactured using a 45nm (nanometer) process technology. This process technology refers to the size of the transistors and other components within the FPGA, and it impacts factors such as power consumption, performance, and the available resources on the FPGA.
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