ON Semiconductor CAT9555HV6I-GT2 Product Overview

The CAT9555HV6I-GT2 is a high-performance integrated circuit from ON Semiconductor, designed to cater to the needs of modern electronic systems requiring expandable I/O interfacing capability. This robust component is a 16-bit I/O port expander with an I²C interface, making it an ideal solution for applications where additional I/Os are necessary, and board space is at a premium.

Key Features

• I²C Interface: The device supports a fast I²C interface with a clock frequency of up to 400 kHz, allowing for quick communication with microcontrollers or other I²C compatible devices.
• 16-bit I/O Ports: The CAT9555HV6I-GT2 provides 16 programmable I/O ports, which can be used as either inputs or outputs, giving designers the flexibility to expand their system's capabilities.
• High Voltage Tolerance: This device is designed to withstand higher voltage levels, which makes it suitable for various industrial applications.
• Interrupt Output: An interrupt output pin is available, which can be configured to alert the host controller when an input state changes, enhancing system responsiveness and efficiency.
• Power-On Reset: The CAT9555HV6I-GT2 features a power-on reset function, ensuring that the I/Os are initialized to a known state upon system startup.
• Polarity Inversion: Input polarity can be inverted via software, providing additional flexibility in interface configuration.

Applications

The versatility of the CAT9555HV6I-GT2 makes it suitable for a wide range of applications, including:

• Server infrastructure
• Industrial control systems
• Extended keyboard inputs
• Home automation systems
• LED status or control applications

Robust and Reliable

ON Semiconductor’s commitment to quality ensures that the CAT9555HV6I-GT2 meets the stringent requirements of commercial and industrial applications. With its high voltage tolerance and extended temperature range, this I/O expander is designed to operate reliably in harsh environments.

Conclusion

The CAT9555HV6I-GT2 from ON Semiconductor is a powerful tool for system designers looking to expand the I/O capabilities of their projects without compromising on space or performance. Its integration of 16 I/O ports, high-speed I²C interface, and robust design make it an excellent choice for a multitude of electronic applications.