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PCA9675PW from NXP,NXP Semiconductors

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PCA9675PW

Manufacturer: NXP

Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt

Partnumber Manufacturer Quantity Availability
PCA9675PW NXP 15000 In Stock

Description and Introduction

Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt The **PCA9675PW** from NXP Semiconductors is a versatile **16-bit I/O expander** designed to enhance system flexibility by providing additional GPIO ports through an I²C-bus interface. This CMOS-based device is ideal for applications requiring extra I/O lines without increasing microcontroller pin count.  

Featuring **low standby current consumption**, the PCA9675PW is well-suited for power-sensitive designs. It supports **voltage-level translation**, enabling seamless interfacing between devices operating at different logic levels (1.8V to 5.5V). The built-in **interrupt output** pin simplifies event-driven designs by alerting the host controller of input state changes.  

With **quasi-bidirectional I/O ports**, the PCA9675PW eliminates the need for external pull-up resistors, simplifying PCB layout. Each I/O pin can be individually configured as an input or output, offering design adaptability.  

Common applications include **industrial control systems, consumer electronics, and embedded designs** where expanding I/O capabilities is essential. Its compact **TSSOP-24 package** ensures space-efficient integration into modern circuit boards.  

The PCA9675PW combines reliability, low power consumption, and ease of integration, making it a practical choice for engineers seeking efficient I/O expansion solutions.

Application Scenarios & Design Considerations

Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt

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