PCA9554ADWRManufacturer: TI Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9554ADWR | TI | 666 | In Stock |
Description and Introduction
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85 The **PCA9554ADWR** from Texas Instruments is a versatile **8-bit I/O expander** designed to enhance system flexibility by providing additional GPIO (General-Purpose Input/Output) ports via an **I²C-bus interface**. This component is ideal for applications requiring expanded I/O capabilities without increasing microcontroller pin count.  
Featuring **low standby current consumption**, the PCA9554ADWR operates efficiently in power-sensitive designs. It supports both **input and output configurations**, with programmable polarity inversion for input ports. Each I/O pin can be independently set as an input or output, offering adaptability for various interfacing needs.   The device includes **interrupt functionality**, allowing the host microcontroller to be alerted upon input state changes, reducing polling overhead. With a **wide voltage range (2.3V to 5.5V)**, it is compatible with multiple logic levels, making it suitable for mixed-voltage systems.   Housed in a **SOIC-16 package**, the PCA9554ADWR is robust for industrial and consumer applications, including **sensor monitoring, LED control, and keypad interfacing**. Its reliable I²C communication ensures seamless integration into existing designs while maintaining signal integrity.   For engineers seeking a compact, efficient I/O expansion solution, the PCA9554ADWR delivers performance and flexibility in a single integrated circuit. |
|||
Application Scenarios & Design Considerations
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85
|
|||
For immediate assistance, call us at +86 533 2716050 or email [email protected]
Specializes in hard-to-find components chips