The PCA9554ADWRG4 is a high-quality, advanced technology product from the globally renowned electronics manufacturer, Texas Instruments.

• Description: 8-bit I²C and SMBus, low power I/O (input/output) expander.
• Features: Integrated with an interrupt output, in-built oscillator.
• Voltage Range: 2.3V to 5.5V.
• Interfaces: Compatible with both I²C and SMBus interfaces.
• Reset Input: Designed with an active LOW reset input.
• Output: Open-drain active LOW interrupt output.
• Drive Capabilities: Ability to sink or source 10 mA / 25 mA.
• Feature: Provides polarity inversion register.
• Package: Surface-mount SOIC package.