The PCA9534RGVR from Texas Instruments is a highly versatile and advanced piece of technology that has been designed to meet the needs of a wide range of applications.

• Function: 8-bit I2C and SMBus, low power I/O (input/output) expander with interrupt output
• Configuration: Configuration registers for input, output and polarity selection
• Supply Voltage Range: 2.3V to 5.5V
• Operating Temperature Range: -40 to 85 degrees Celsius
• Operating Frequency: Up to 1 MHz for the Fast-mode Plus (Fm+)
• Current Sink: Up to 25mA from its I/O pins
• Package: Compact 16-pin VQFN (Very thin Quad Flat No-Lead) package
• Reset Input: Active LOW reset input
• Interrupt Output: Open-drain interrupt output
• RoHS Compliant: Yes