Manufacturer Part Number
TCA9554ADBQR
Manufacturer
Texas Instruments
Introduction
The TCA9554ADBQR is an I2C and SMBus interface I/O expander from Texas Instruments, designed to enhance the input/output capabilities of a microcontroller.
Product Features and Performance
8 I/O ports
I2C and SMBus compatible
Interrupt output feature for real-time alerts
Push-pull output type
Supports clock frequencies up to 400 kHz
Wide operating voltage range from 1.65V to 5.5V
Operating temperature range from -40°C to 85°C
Product Advantages
Enhances microcontroller I/O handling
Flexible voltage allows usage in various circuits
High integration reduces board space and system cost
Key Technical Parameters
Number of I/O: 8
Interface: I2C, SMBus
Interrupt Output: Yes
Clock Frequency: 400 kHz
Voltage Supply: 1.65V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Manufactured in compliance with industry-standard safety and quality norms
Built with reliable surface mount technology
Compatibility
Compatible with any microcontroller that supports I2C or SMBus interface
Application Areas
Industrial automation
Robotics
Consumer electronics
Communication systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Continuously supported with updates and potential replacements
Several Key Reasons to Choose This Product
Versatile I/O expansion with 8 ports
Low power consumption and wide voltage range suitable for battery-powered applications
Robust design capable of withstanding harsh industrial operating temperatures
Real-time system monitoring and control through interrupt feature
Reliable manufacturer reputation and ongoing product support