The CAT9555HV6I-G is a high-voltage, 16-bit I/O port expander from ON Semiconductor, designed to provide a seamless solution for expanding I/O capabilities of any I²C or SMBus compatible microcontroller. With its robust design and versatile features, this product is ideal for a wide range of applications, including industrial control systems, home automation, and server management.

Key Features

• Interface: I²C and SMBus compatible, providing easy integration with most microcontrollers.
• Channels: 16-bit I/O ports that can be configured as inputs or outputs, enabling extensive I/O expansion.
• Voltage Range: Operates at 2.3V to 5.5V, making it suitable for various low-voltage applications.
• Interrupt Output: Offers an interrupt output that can be configured to alert the host controller when input state changes, thus improving system response time and efficiency.
• High Output Drive: Capable of high output drive, ensuring reliable operation even with heavy loads.
• Polarity Inversion: Input polarity inversion feature allows easy adaptation to different logic levels.

Performance and Durability

The CAT9555HV6I-G is built to deliver high performance while withstanding harsh conditions. Its extended temperature range from -40°C to +85°C ensures reliable operation in extreme environments. The device's robust design is also reflected in its ESD protection, safeguarding the device from electrostatic discharges during handling and operation.

Applications

This I/O expander is suitable for a variety of applications. It is particularly useful in scenarios where additional I/O ports are needed but cannot be provided by the host microcontroller alone. Typical applications include:

• Industrial Control Systems
• Home Automation
• Server Management
• LED Displays and Keypads

Package and Availability

The CAT9555HV6I-G comes in a compact TSSOP-24 package, which is ideal for space-constrained applications. It is available for purchase through ON Semiconductor's authorized distributors, ensuring easy access for designers and manufacturers.