Manufacturer Part Number
PCA9554ARGTR
Manufacturer
texas-instruments
Introduction
PCA9554ARGTR is an I/O expander from Texas Instruments designed to expand the number of I/O ports available on a microcontroller or microprocessor using I2C or SMBus for interface.
Product Features and Performance
Supports I2C and SMBus interface.
8 I/O ports.
Interrupt output enabled.
Features power-on reset (POR).
Push-pull output type.
Clock frequency of 400 kHz.
Product Advantages
High compatibility with I2C and SMBus interfaces ensuring broad microcontroller and microprocessor connectivity.
Push-pull outputs help in driving higher loads.
POR feature minimizes initialization errors after power-up.
Key Technical Parameters
Number of I/O: 8
Interface: I2C, SMBus
Features: POR
Output Type: Push-Pull
Current Output Source/Sink: 10mA, 25mA
Clock Frequency: 400 kHz
Voltage Supply: 2.3V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Package / Case: 16-VFQFN Exposed Pad
Mounting Type: Surface Mount
Quality and Safety Features
Robust operating temperature range from -40°C to 85°C.
ESD and latch-up testing aligned with industry standards.
Compatibility
Compatible with any microcontroller or microprocessor that supports I2C or SMBus interfaces.
Application Areas
Embedded systems
Robotics
Industrial control
Home automation systems
Remote I/O systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation.
No current indication of forthcoming replacements or upgrades.
Several Key Reasons to Choose This Product
Broad operational voltage range (2.3V to 5.5V) accommodating diverse power setups.
Compact 16-VFQFN package suited for space-constrained applications.
Scalability through additional I/O expansion.
High reliability and extended operational temperature making it suitable for industrial applications.
The combination of push-pull output and higher current sourcing ability elevates its applicability across a range of more demanding electronic circuits.