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PCA9554AD from PHI,Philips

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PCA9554AD

Manufacturer: PHI

8-bit I2C and SMBus I/O port with interrupt

Partnumber Manufacturer Quantity Availability
PCA9554AD PHI 7 In Stock

Description and Introduction

8-bit I2C and SMBus I/O port with interrupt The **PCA9554AD** from Philips is a versatile **8-bit I/O expander** designed to enhance the input/output capabilities of microcontrollers and other digital systems. Utilizing the **I²C-bus interface**, this component allows for seamless communication with minimal wiring, making it ideal for space-constrained applications.  

Featuring **low standby current consumption**, the PCA9554AD is well-suited for power-sensitive designs. It provides **eight programmable GPIO pins**, each configurable as either an input or output, with internal pull-up resistors to simplify circuit design. The device supports **interrupt functionality**, enabling efficient event-driven operation by alerting the host controller of input state changes.  

With an operating voltage range of **2.3V to 5.5V**, the PCA9554AD is compatible with a wide variety of logic levels, ensuring flexibility across different systems. Its robust ESD protection enhances reliability in demanding environments.  

Common applications include **industrial control systems, consumer electronics, and embedded designs** where additional I/O expansion is required without increasing microcontroller pin count. The PCA9554AD offers a cost-effective and efficient solution for extending digital interfaces while maintaining system simplicity.  

For detailed specifications, refer to the official datasheet to ensure proper integration into your design.

Application Scenarios & Design Considerations

8-bit I2C and SMBus I/O port with interrupt

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