Manufacturer Part Number
PCA9554PW
Manufacturer
Texas Instruments
Introduction
The PCA9554PW is an 8-bit, general-purpose input/output (GPIO) expander with an SMBus/I2C interface.
Product Features and Performance
8 Bit Input/Output Expander
SMBus/I2C Interface
400 kHz Clock Frequency
Input/Output Voltage Range: 2.3V to 5.5V
Programmable Polarity
Power-on Reset (POR)
Interrupt Output
Product Advantages
Expands GPIO Capabilities of Host Microcontroller
Simplifies System Design
Reduces PCB Complexity
Industry Standard Interface
Key Technical Parameters
Package: 16-TSSOP
Output Type: Push-Pull
Mounting Type: Surface Mount
Operating Temperature: -40°C to 85°C
Output Current: 10 mA Source, 25 mA Sink
Quality and Safety Features
RoHS3 Compliant
Trusted Texas Instruments Quality
Compatibility
The PCA9554PW is compatible with SMBus and I2C interfaces, allowing it to be used with a wide range of host microcontrollers and processors.
Application Areas
Industrial Control Systems
Home Automation
Embedded Systems
Robotics
Medical Devices
Product Lifecycle
The PCA9554PW is an active product from Texas Instruments. Replacement or upgraded parts may be available in the future.
Key Reasons to Choose This Product
Expands GPIO capabilities of host microcontroller
Simplifies system design and reduces PCB complexity
Provides reliable, industry-standard SMBus/I2C interface
Offers wide operating voltage and temperature range
Backed by trusted Texas Instruments quality and support