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PCA9554ADWRG4 from TI,Texas Instruments

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PCA9554ADWRG4

Manufacturer: 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
PCA9554ADWRG4 TI 2530 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 **PCA9554ADWRG4** from Texas Instruments 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 easy expansion with minimal wiring, making it ideal for space-constrained or complex designs.  

Featuring **low standby current consumption**, the PCA9554ADWRG4 is well-suited for power-sensitive applications. It supports both **input and output configurations**, with programmable polarity inversion for flexible signal handling. Each I/O pin can be independently set as an input to monitor external signals or as an output to drive LEDs, relays, or other peripherals.  

The device includes **interrupt functionality**, reducing the need for continuous polling by the host microcontroller. This improves system efficiency, particularly in multi-device environments. With a **wide operating voltage range (2.3V to 5.5V)**, it is compatible with various logic levels, ensuring seamless integration into diverse designs.  

Housed in a **TSSOP-16 package**, the PCA9554ADWRG4 offers a compact footprint while maintaining robust performance. Its reliability and ease of use make it a preferred choice for industrial control, consumer electronics, and embedded systems requiring scalable I/O expansion.  

For detailed specifications, refer to the official datasheet to ensure proper implementation in your application.

Application Scenarios & Design Considerations

Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85

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