Manufacturer Part Number
PCA9538DB
Manufacturer
Texas Instruments
Introduction
The PCA9538DB is an 8-bit I/O expander with I2C-bus/SMBus interface. It provides a simple and cost-effective solution for expanding input/output capabilities of microcontroller-based systems.
Product Features and Performance
8 general-purpose I/O pins
I2C-bus/SMBus compatible interface with up to 400 kHz clock frequency
Interrupt output pin
Power-On Reset (POR) function
Push-pull output driver with 10 mA source/sink capability
Wide supply voltage range of 2.3 V to 5.5 V
Operating temperature range of -40°C to +85°C
16-SSOP package
Product Advantages
Easily expands I/O capabilities of microcontroller systems
Provides flexible and customizable I/O options
Compact surface-mount package for space-constrained designs
Wide operating voltage and temperature ranges for versatile applications
Key Reasons to Choose This Product
Cost-effective solution for expanding I/O functionality
Reliable and robust performance with POR and push-pull outputs
Seamless integration with I2C-bus/SMBus microcontroller systems
Ideal for a variety of embedded applications requiring additional I/O
Quality and Safety Features
RoHS-compliant and lead-free
Designed and manufactured to high-quality standards
Compatibility
The PCA9538DB is compatible with I2C-bus and SMBus microcontroller systems.
Application Areas
Industrial control systems
Embedded systems
Home automation
Robotics
Sensor and actuator interfaces
Product Lifecycle
The PCA9538DB is in the Last Time Buy phase, meaning it is nearing discontinuation. Texas Instruments recommends considering alternative models such as the PCA9539 or PCA9555 for similar functionality and performance. Customers are advised to contact our website's sales team for more information on available options and product lifecycle details.