CAT9554YI-GT2 - onsemi

Manufacturer Part Number

CAT9554YI-GT2

Manufacturer

onsemi

Introduction

This is an integrated circuit (IC) that serves as an I/O expander, providing an interface between a host system and various input/output devices.

Product Features and Performance

Supports up to 8 I/O pins

Operates at 2.3V to 5.5V supply voltage

Communicates via SMBus interface at up to 400 kHz clock frequency

Provides push-pull output type with up to 10mA source and 24mA sink current capability

Includes Power-On Reset (POR) feature

Offers operating temperature range of -40°C to 85°C

Available in 16-TSSOP package

Product Advantages

Expands limited I/O capabilities of host system

Supports a wide range of supply voltages

Allows high-speed communication through SMBus interface

Delivers robust output current sourcing and sinking

Provides reliable operation through POR feature

Suitable for use in broad temperature environments

Key Technical Parameters

Voltage Supply: 2.3V ~ 5.5V

Clock Frequency: 400 kHz

Current Output Source/Sink: 10mA, 24mA

Interrupt Output: Yes

Number of I/O: 8

Quality and Safety Features

RoHS3 compliant

Supplied in 16-TSSOP package

Compatibility

This I/O expander IC is compatible with a wide range of host systems and can be used in various applications that require additional input/output capabilities.

Application Areas

Industrial automation and control systems

Embedded systems

Consumer electronics

Automotive electronics

Product Lifecycle

The CAT9554YI-GT2 is an active product, and onsemi continues to provide support and availability. There are no immediate plans for discontinuation, and suitable replacement or upgrade options may be available if needed.

Key Reasons to Choose This Product

Flexible supply voltage range, allowing use in diverse systems

High-speed SMBus communication for efficient data transfer

Robust output current capability to drive a variety of loads

Reliable operation ensured by POR feature

Wide operating temperature range for use in challenging environments

RoHS3 compliance for environmentally-friendly applications