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Introducing the LS7866: A Cutting-Edge 32-Bit Quadrature Counter with I2C Interface

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LSI/CSI unveils LS7866, a cutting-edge 32-bit quadrature counter with an I2C interface, setting new standards in accuracy and reliability. Designed for industrial, automotive, and consumer electronics, this IC offers high-resolution counting, quadrature decoding, and seamless integration.

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Melville, NY – LSI/CSI (, a renowned leader in semiconductor technology, proudly announces the release of its latest innovation, the LS7866, a state-of-the-art 32-bit quadrature counter with an I2C interface. The LS7866 sets new standards in accuracy, reliability, and performance, offering an unparalleled solution for a wide range of applications.

The LS7866 is designed to meet the demands of modern industrial, automotive, and consumer electronics sectors, where precise and efficient measurement and counting are crucial. This powerful IC boasts advanced features and functionalities that empower engineers and developers to create cutting-edge solutions with ease.

Key features and benefits of the LS7866 include:

  1. High-Resolution Counting: The LS7866 delivers impressive 32-bit counting capability, ensuring accurate and precise measurement in various applications.
  2. Quadrature Counting: With its quadrature decoding capability, the LS7866 can accurately track both direction and speed of rotary encoders, providing enhanced flexibility and efficiency.
  3. I2C Interface: The LS7866 comes equipped with an I2C interface, enabling seamless integration into existing systems and simplifying communication with microcontrollers and other peripheral devices.
  4. Wide Voltage Range: This IC operates efficiently within a wide voltage range of 3.0V to 5.5V, accommodating diverse power supply configurations.
  5. Robust Design: LSI/CSI has developed the LS7866 with industry-leading expertise, ensuring reliability and longevity even in challenging environments.
  6. Compact Package: The LS7866 is available in 14-pin SOIC and TSSOP packages.

Engineers and developers can leverage the LS7866 to enhance a multitude of applications, including but not limited to:

  • Industrial automation
  • Robotics
  • Motor control systems
  • Position sensing and monitoring
  • Motion tracking
  • Gaming peripherals
  • Test and measurement equipment

To explore the full technical specifications and capabilities of the LS7866, please refer to the datasheet.

LSI Computer Systems Inc. (LSI/CSI) is dedicated to providing cutting-edge solutions that meet the evolving needs of the electronics industry. The LS7866 is a testament to our commitment to innovation and excellence.

For more information, please visit or contact our sales team at

About LSI Computer Systems Inc: LSI/CSI is a global leader in semiconductor technology, delivering high-performance, reliable, and cost-effective solutions for a wide range of industries. With a strong focus on innovation and quality, LSI/CSI continues to drive technological advancements and empower engineers and developers worldwide.

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