PCA9534APWR - Texas Instruments

Manufacturer Part Number

PCA9534APWR

Manufacturer

Texas Instruments

Introduction

The PCA9534APWR by Texas Instruments is a versatile I/O expander designed to provide additional interfacing capabilities via the I2C and SMBus protocols, packaged in a 16-TSSOP format for surface mounting.

Product Features and Performance

8 I/O ports expandable

I2C and SMBus interface

Interrupt Output supported

Features Power-On Reset (POR)

Push-Pull Output Type

Clock Frequency up to 400 kHz

Product Advantages

Expands I/O without needing additional microcontroller pins

Power-On Reset ensures reliable start-up

Interrupt feature aids in prompt event responsiveness

Compatible with various logic levels due to wide voltage supply range

Key Technical Parameters

Number of I/O: 8

Clock Frequency: 400 kHz

Voltage Supply: 2.3V ~ 5.5V

Current Output Source/Sink: 10mA, 25mA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust operating temperature range ensuring performance in varied environments

Built-in Power-On Reset for enhanced reliability upon power up

Compatibility

Interfaces seamlessly with microcontrollers via I2C or SMBus

Supply voltage range makes it compatible with various logic levels

Application Areas

Industrial controls

Consumer electronics

Automotive systems

Telecommunications

Data acquisition systems

Product Lifecycle

Product Status: Active

This component is regularly stocked and not nearing discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

High integration capability with 8 expandable I/O ports, maximizing control and monitoring functionalities

Features like POR and interrupt output enhance system reliability and responsiveness

Wide voltage supply range ensures compatibility with different logic levels in a system

High clock frequency allows for faster data transfer and communication speeds

Robust operating temperature suited for harsh environments