The PCA9554DWR is a sophisticated, high-performance product from the well-renowned technology company, Texas Instruments.

• Key Features: 8-bit I2C and SMBus, low power I/O expander with interrupt output.
• Interface: Two-wire serial interface (I2C or SMBus).
• I/O Expander: Addressable 8-bit.
• Power Consumption: Low standby current.
• Interrupt Output: Activated when input state differs.
• Package: Compact, surface-mount SOIC.
• Operating Temperature: Wide temperature range.
• Compliance: RoHS compliant and lead-free.