PCA9534RGVR - Texas Instruments

Manufacturer Part Number

PCA9534RGVR

Manufacturer

Texas Instruments

Introduction

The PCA9534RGVR is an 8-bit I/O expander from Texas Instruments, designed for the I²C and SMBus serial interfaces.

Product Features and Performance

8-bit I/O expander

I2C and SMBus interface support

Interrupt output for input change notification

Power-on Reset (POR)

Push-pull output type

Supports current output source/sink of 10mA and 25mA

Product Advantages

Flexible voltage range (2.3V to 5.5V), accommodating various logic levels

Wide operating temperature range (-40°C to 85°C), suitable for harsh environments

Supports higher clock frequencies up to 400 kHz, allowing faster data rates

Power-on Reset enhances reliability and system stability

Compact 16-VQFN package with exposed pad for better thermal management

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SMBus

Interrupt Output: Yes

Current - Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage - Supply: 2.3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built with Texas Instruments' stringent quality standards

Incorporates Power-on Reset (POR) for enhanced power-up safety

Compatibility

Compatible with various microcontrollers and processors supporting I2C or SMBus

Flexible for use in systems with supply voltages between 2.3V and 5.5V

Application Areas

Embedded systems

Industrial controls

PLC systems

Home automation

Server motherboards

Product Lifecycle

Active product status indicates ongoing manufacture and support

Not near discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Highly adaptable to different system voltages (2.3V to 5.5V)

Offers both I2C and SMBus interface options for flexibility in communication

Enhanced system stability with Power-on Reset feature

Compact 16-VQFN package suitable for space-constrained applications

Robust operational temperature range accommodating industrial specifications

Support for higher clock frequencies enables faster system response times