CAT9555HV6I - onsemi

Manufacturer Part Number

CAT9555HV6I

Manufacturer

onsemi

Introduction

The CAT9555HV6I is an interface I/O expander from onsemi that provides 16 I/O ports with I2C and SMBus interface options. It is designed for expanding the input/output capabilities of microcontrollers in various electronic applications.

Product Features and Performance

16 programmable I/O ports

I2C and SMBus compatible interface

Interrupt output capability for event notification

Power-on Reset (POR) feature ensures reliable operation

Push-pull output type for direct drive applications

Supports clock frequencies up to 400 kHz

Wide operating voltage range from 2.3V to 5.5V

Operating temperature range from -40°C to 85°C

Product Advantages

Increases the I/O capabilities without needing a larger microcontroller

Flexible interface compatibility simplifies integration

Interrupt output enhances system responsiveness

POR feature improves system stability on power-up

Wide voltage and temperature range offer versatility in various applications

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Clock Frequency: 400 kHz

Voltage Supply: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Package: 24-WFQFN Exposed Pad

Mounting Type: Surface Mount

Quality and Safety Features

Robust design ensuring reliable operation under wide temperature ranges

Compatibility

Compatible with most microcontrollers that support I2C or SMBus interface

Application Areas

Industrial control systems

Consumer electronics

Automotive applications

Data acquisition systems

Product Lifecycle

This product is listed as obsolete, indicating that it may be nearing the end of its production lifecycle. Users should verify availability and consider seeking replacements or upgrades.

Several Key Reasons to Choose This Product

Enhances microcontroller I/O capability efficiently

Supports high-speed I2C communications

Flexible for use in a wide range of operating conditions

Interrupt capability allows for efficient system management

Obsolete status necessitates consideration for future-proof designs