PCA9539DB - Texas Instruments

Manufacturer Part Number

PCA9539DB

Manufacturer

Texas Instruments

Introduction

The PCA9539DB is a 16-bit Input/Output (I/O) expander with an I2C-bus/SMBus interface. It provides a simple solution for expanding the number of input/output ports available on a microcontroller or microprocessor.

Product Features and Performance

16-bit I/O expander with I2C-bus/SMBus interface

Supports standard-mode (100 kHz) and fast-mode (400 kHz) I2C-bus communication speeds

Features power-on reset (POR)

Offers push-pull output drivers with up to 10 mA source/25 mA sink current per pin

Operates across a wide supply voltage range of 2.3 V to 5.5 V

Supports an operating temperature range of -40°C to 85°C

Available in a 24-pin SSOP package

Product Advantages

Expands the number of available I/O ports for microcontrollers or microprocessors

Simplifies system design and reduces component count

Utilizes I2C-bus/SMBus interface for easy integration

Provides reliable performance across a wide temperature range

Key Reasons to Choose this Product

Versatile I/O expander solution for a variety of embedded applications

Efficient use of system resources by expanding available I/O ports

Robust performance and reliability across diverse operating conditions

Easy integration and implementation with I2C-bus/SMBus interface

Quality and Safety Features

Robust ESD protection

Latch-up prevention

Overcurrent protection

Compatibility

The PCA9539DB is compatible with a wide range of microcontrollers and microprocessors that support the I2C-bus/SMBus interface.

Application Areas

Embedded systems

Industrial automation

Home automation

Sensor and control applications

General-purpose I/O expansion

Product Lifecycle

The PCA9539DB is currently in Last Time Buy status. There are equivalent or alternative models available, such as the PCA9535, PCA9537, and PCA9538 series. If you have any questions or need further assistance, please contact our sales team through our website.