The PCA9555PW is a high-quality, reliable product manufactured by Texas Instruments, a world-renowned name in the field of electronics and semiconductors.

• Description: 16-bit I²C and SMBus, low power I/O (Input/Output) expander.
• Features: Built-in oscillator for PWM (Pulse Width Modulation) operations.
• Registers: Two 8-bit Configuration, Input, Output, and Polarity Inversion registers.
• Interrupt Output: Alerts microcontroller of input status change.
• Voltage: 2.3V to 5.5V VCC operation.
• Standby Current: Low.
• Reset Input: Active LOW.
• Package: TSSOP 24-pin.
• Compatibility: SMBus.
• Operating Temperature: -40°C to 85°C.