The PCA9554AD,112 is an IC component developed by NXP Semiconductors. It is a 8-bit I2C-bus and SMBus I/O expander with interrupt output and reset. This IC device is designed to provide easy input/output expansion for microcontroller-based systems.
Key features of the PCA9554AD,112 include its compatibility with the I2C-bus and SMBus protocols, which allow for simple interfacing with various microcontrollers. It operates over a wide voltage range from 2.3V to 5.5V, making it suitable for a broad range of applications. The device offers 8 I/O pins, which can be individually configured as inputs or outputs.
The PCA9554AD,112 also incorporates programmable polarity inversion, allowing for flexibility in interfacing with different devices. It provides both hardware and software reset options, ensuring reliable operation even in case of power fluctuations or unexpected error conditions. The device includes an interrupt output pin, which can be used to signal events to the microcontroller, thus minimizing the need for constant polling.
Additionally, this IC component offers a low standby current consumption, which helps in energy-efficient designs. It also has a low supply current during normal operation, further enhancing its suitability for low-power applications. The PCA9554AD,112 is available in a small and space-saving TSSOP package, making it easy to integrate into compact designs.
Overall, the PCA9554AD,112 is a versatile and reliable IC component, providing an efficient way to expand the I/O capabilities of microcontroller-based systems.
