The PCA9539PWR is a high-quality, industry-leading semiconductor product manufactured by Texas Instruments, a globally recognized brand in the electronics industry.

• Function: 16-bit I2C and SMBus, low power I/O (input/output) expander with interrupt output, reset, and configuration registers
• Operating Voltage: Between 2.3V and 5.5V
• Internal Oscillator: Yes
• Package: TSSOP package
• RoHS Compliant: Yes
• Interrupt Output: Configurable to alert the microcontroller when there is a change in input state
• Reset Input: Sets all registers to their default state
• Configuration Registers: Allow the user to configure the device's operation