The PCA9539DBQR from Texas Instruments is an advanced, high-performance I/O expander that offers a wide range of features designed to enhance and streamline your electronic projects.

• Pins: 24-pin device
• Function: 16-bit I/O expansion for most microcontroller families via the I2C and SMBus interface
• Standby Current: Low standby current
• Supply Voltage Range: 2.3V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Interrupt Output: Built-in feature
• Hardware Address Pins: Built-in feature
• Reset Input: Built-in feature
• I/O Ports: Configurable
• Software Programmable: Yes
• Noise Immunity: High
• Package: QSOP-24
• RoHS Compliant: Yes
• Lead-Free: Yes
• Bromine-Free: Yes
• Antimony-Free: Yes