Manufacturer Part Number
PCA9554PW,118
Manufacturer
NXP Semiconductors
Introduction
The PCA9554PW,118 is a general-purpose, 8-bit, bidirectional, I2C and SMBus I/O expander with interrupt output. It provides a simple solution for expanding the number of available digital input/output (I/O) ports of a microcontroller or microprocessor system.
Product Features and Performance
8 bits of parallel, bidirectional general-purpose I/O
I2C and SMBus compatible serial interface
Programmable polarity and interrupt generation for each I/O pin
Power-on reset (POR) circuitry
Push-pull output drivers
Output source/sink capability of 10 mA/25 mA
Maximum clock frequency of 400 kHz
Wide operating voltage range of 2.3 V to 5.5 V
Operating temperature range of -40°C to 85°C
Product Advantages
Expands the number of available digital I/O ports
Supports both I2C and SMBus protocols
Configurable interrupt generation for each I/O pin
Robust push-pull output drivers with high source/sink capability
Wide operating voltage and temperature ranges for versatile applications
Key Reasons to Choose This Product
Flexible and scalable I/O expansion solution for microcontroller-based systems
Simplifies hardware design by reducing the number of I/O pins required
Enables monitoring and control of additional devices and peripherals
Reliable performance with power-on reset and wide operating conditions
Cost-effective and space-saving surface mount package
Quality and Safety Features
Robust design and construction for reliable operation
Compliance with industry safety and regulatory standards
Compatibility
The PCA9554PW,118 is compatible with a wide range of microcontrollers and processors that support the I2C or SMBus interface.
Application Areas
Industrial automation and control systems
Home and building automation
Embedded systems and IoT applications
Sensor and actuator interfaces
General-purpose I/O expansion
Product Lifecycle
The PCA9554PW,118 is an active product, and NXP Semiconductors continues to support and manufacture this device. There are equivalent or alternative models available from NXP, such as the PCA9555 and PCA9557 I/O expanders, which may offer slightly different features or packaging options. For the most up-to-date information, please contact our website's sales team or visit our website's sales team.