The PCA9554APWRG4 is a state-of-the-art product from Texas Instruments, a renowned American technology company that designs and manufactures semiconductors and various integrated circuits.

• Description: 8-bit I2C and SMBus, low power Input/Output (I/O) expander with interrupt output and configuration registers.
• Package: TSSOP package
• Port: 8-bit I/O port with individual direction settings for each bit
• Features: Built-in oscillator, interrupt output, reset input
• Voltage Range: 2.3V to 5.5V
• Current: Low standby current
• Feature: Supports hot insertion