Manufacturer Part Number
PCA9555PWRG4
Manufacturer
Texas Instruments
Introduction
The PCA9555PWRG4 is a 16-bit remote I/O expander for I²C-bus and SMBus applications. It provides general-purpose digital input and output port expansion for embedded systems and industrial applications. The device features programmable pull-up/pull-down resistors, programmable inversion of input and output ports, and an interrupt output.
Product Features and Performance
16-bit remote I/O expander
I²C-bus and SMBus interface
Programmable pull-up/pull-down resistors
Programmable inversion of input and output ports
Interrupt output
400 kHz clock frequency
3V to 5.5V supply voltage
Operating temperature range of -40°C to 85°C
Product Advantages
Flexible I/O expansion for embedded systems and industrial applications
Programmable features for customized functionality
Wide operating voltage and temperature range
Small 24-TSSOP package for space-constrained designs
Key Reasons to Choose This Product
Comprehensive I/O expansion capabilities
Programmable features for tailored functionality
Reliable performance across a wide range of operating conditions
Compact and easy-to-integrate package
Quality and Safety Features
Power-on reset (POR) feature
Push-pull output type
Output source/sink current up to 25 mA
Compatibility
Compatible with I²C-bus and SMBus protocols
Application Areas
Embedded systems
Industrial automation
General-purpose I/O expansion
Product Lifecycle
The PCA9555PWRG4 is a discontinued product. There are alternative models available, such as the PCA9555PW and the PCA9555PWR, which offer similar functionality and features. Customers are advised to contact our website's sales team for more information on available options and product life cycle details.

