CAT9555YI-T2 - onsemi

Manufacturer Part Number

CAT9555YI-T2

Manufacturer

onsemi

Introduction

The CAT9555YI-T2 is an I/O expander from onsemi for interface applications.

Product Features and Performance

16-bit I/O port expander

I2C and SMBus compatible interface

Interrupt output feature for improved system response

Power-on Reset (POR) functionality

Push-Pull output type for robust drive capability

Supports up to 10mA source, 24mA sink current on outputs

Clock frequency support up to 400 kHz for fast operation

Wide operating voltage range from 2.3V to 5.5V

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

Product Advantages

Increases I/O port availability in a system

Supports hot insertion

Minimal power consumption in standby mode

Allows for software reset

Provides noise filter on SDA/SCL inputs

Key Technical Parameters

Number of I/Os: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Output Current: 10mA source, 24mA sink

Clock Frequency: 400 kHz

Voltage Supply Range: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in power-on reset circuit

ESD protection for increased ruggedness

Latch-up performance exceeds 100mA per JESD 78, Class II

Compatibility

Compatible with I2C and SMBus data protocols

Suitable for use with various microcontrollers and processors

Application Areas

Industrial control systems

Server motherboards

Embedded systems

Consumer electronics

Automation systems

Product Lifecycle

The product is currently active and not reported as nearing discontinuation.

Information on replacements or upgrades would typically be found on the manufacturer's website or through their support channels.

Several Key Reasons to Choose This Product

Provides 16 additional I/O ports for system expansion.

Saves PCB board space due to compact TSSOP package.

Reduces system complexity with simple I2C, SMBus interface.

Enhances system reliability with interrupt output function.

Supports a broad spectrum of supply voltages and operating temperatures for versatility in different environments.

Designed by onsemi, a reliable and well-known manufacturer in the semiconductor industry.