CST328 IC Discontinued Datasheet, Support & Replacement Solutions

2026-03-31
14:00

Table of Contents

    CST328 End-of-Life (EOL) Official Notice

    The CST328 touch controller IC has been officially discontinued and is no longer available for new product designs, prototyping, or mass production orders. This EOL notice is issued to ensure our customers have sufficient time to plan for product migration, and our dedicated engineering team is on hand to provide full support for all legacy CST328 projects and replacement planning. If you are searching for the official CST328 datasheet, suitable alternative ICs, or technical support for existing CST328-based devices, this page contains all the key resources and guidance you need for a smooth transition.

    Key EOL Takeaways

    • CST328 touch IC is fully discontinued for new designs/production
    • Full legacy support is available for existing CST328-based projects
    • Tailored replacement solutions for industrial/medical/embedded applications
    • 24-hour response for all CST328-related technical inquiries

     

    CST328 Datasheet Access

    The official CST328 datasheet contains comprehensive technical specifications, detailed pin configuration diagrams, and practical application guidelines—critical resources for engineers maintaining or repairing legacy designs based on the CST328 touch controller IC. We have preserved the complete, original datasheet for our existing customers to ensure seamless continuity for ongoing projects.

     

    Datasheet Download

     Direct Download: CST328 Official Datasheet

     

     

    Recommended CST328 Replacement Solutions

    While the CST328 is discontinued, we offer a portfolio of high-performance modern capacitive touch controller ICs that are ideal alternatives for CST328-based applications. All our replacement solutions are engineered to match or exceed the CST328’s performance, with enhanced functionality to meet the latest industry requirements for industrial, medical, and embedded systems. Our team will provide personalized recommendations based on your specific application scenarios, hardware design, and performance needs.

     

    Core Features of CST328 Alternatives

    • Multi-touch functionality optimized for industrial and medical devices
    • High sensitivity and stable performance for handheld equipment
    • Flexible interface compatibility with all mainstream embedded systems
    • Low power consumption for portable and battery-operated devices

    Our Replacement Support Services

    • Pin-to-pin direct replacement recommendations (minimize hardware redesign,The specific hardware compatibility needs to be confirmed after our engineers review the schematic diagram.)
    • Professional firmware and hardware migration technical guidance
    • Custom touch performance optimization for your specific application
    • Sample testing support for selected replacement ICs

     

    Typical CST328 Replacement IC Options

    To help engineers quickly evaluate replacement options, here are several proven IC solutions:

    Chipsemi (Best for Minimal Migration)
    – CST226 – Closest alternative, suitable for industrial and embedded systems

    Goodix (High Stability & Performance)
    – GT911 – Industry-standard solution with strong noise immunity

    FocalTech (Cost-Effective Option)
    – FT5446 – Balanced performance for general applications

    ILITEK (Industrial-Grade Stability)
    – ILI2511 – High durability and EMI resistance

     

    Typical Applications for CST328 Replacements

    • Industrial control displays and human-machine interfaces (HMI)
    • Medical handheld diagnostic and treatment devices
    • Smart home touch control panels and IoT devices
    • Portable embedded systems and wearable electronics

    Explore All CST328 Replacement Solutions  

     

    Legacy CST328 Project Support

    We understand the importance of continuity for your ongoing projects, so we continue to provide dedicated technical support for customers maintaining, repairing, or upgrading devices based on the CST328 touch IC. Our support is tailored to address the unique needs of legacy projects, ensuring minimal disruption to your production and operations.

     

    Contact Us for CST328 Support & Replacements

    Whether you need instant access to the CST328 datasheet, tailored replacement IC recommendations for your specific application, or one-on-one engineering support for your legacy CST328 project, our professional team is ready to assist you. We guarantee a 24-hour response time for all CST328-related inquiries to ensure your project progress is not delayed.

     

    How to Contact Our Team

     

    FAQ

    Q1: Is the CST328 touch IC still available for purchase or new designs?

    A1: No, the CST328 touch controller IC has been officially discontinued and is no longer available for any new product designs, prototyping, or mass production orders. We do not have any remaining stock for the CST328, and all production lines for this IC have been permanently closed.

     

    Q2: What is the best replacement for the CST328 touch IC?

    A2: The optimal replacement for the CST328 depends on your specific application scenario (e.g., industrial/medical/embedded), hardware design requirements, and performance needs (e.g., touch sensitivity, multi-touch functionality). Our engineering team will provide tailored pin-to-pin or functional replacement recommendations after evaluating your project details—simply contact us with your application information for a personalized solution.

     

    Q3: Do you provide technical support for legacy CST328-based projects?

    A3: Yes, we offer comprehensive legacy support for all existing CST328-based projects, including unlimited access to the official datasheet and technical documentation, basic and advanced troubleshooting guidance, and professional migration advice for future upgrades. Our support team is available 24/7 for urgent CST328 legacy project issues.

     

    Q4: How long will legacy support for the CST328 be available?

    A4: We will continue to provide legacy CST328 support for an indefinite period to ensure our customers have sufficient time to complete project migration and replacement. There is no planned end date for our CST328 legacy support services at this time.