The PCA9539RGER is a high-performance, low-voltage digital input/output (I/O) expander from Texas Instruments, a renowned leader in the semiconductor industry.

• Function: Providing a comprehensive solution for expanding the I/O capability of any standard I2C-bus/SMBus I/O
• I/O Ports: 16-bit I/O ports which can be independently assigned as inputs or outputs
• Supply Voltage Range: 1.65 V to 5.5 V
• Internal Oscillator: 24 MHz
• Power-On Reset: Built-in power-on reset feature
• Interrupt Functionality: Includes interrupt functionality
• Package: Compact VQFN (RGE) package with 24 pins
• RoHS Compliant: Yes
• Lead-Free: Yes
• Halogen-Free: Yes
• Antimony-Free: Yes