The PCA9554ARGVR is a highly advanced and versatile product manufactured by Texas Instruments, a renowned global semiconductor design and manufacturing company.

• Key Features: 8-bit I2C and SMBus, low-power I/O expander with interrupt functionality.
• I/O Pins: 8 I/O pins individually configurable as inputs or outputs.
• Interface Compatibility: I2C and SMBus serial interface protocols.
• Voltage Range: Operates from 2.3V to 5.5V.
• Standby Current: Low standby current.
• Interrupt Output: Notifies microcontroller/microprocessor of I/O pin state changes.
• Package: 16-pin TSSOP.
• Operating Temperature: -40°C to 85°C.