The PCA9555DBR is a high-quality, reliable product from the renowned manufacturer Texas Instruments.

• Description: 24-pin, surface mount, 16-bit I2C and SMBus, low power I/O expander with interrupt output and configuration registers.
• Voltage Range: 2.3V to 5.5V.
• Frequency: Up to 400kHz.
• Operating Temperature: -40°C to +85°C.
• I/O Expansion: Simple method for I/O expansion through the two-wire I2C-bus/SMBus serial interface.
• Interrupt Output: Open-drain, sends interrupt signal when input state differs.
• Package: Small SSOP package.
• Compliance: RoHS compliant, lead (Pb) free and green molding compound.