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PCA9673BS from PHILIS,Philips

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PCA9673BS

Manufacturer: PHILIS

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

Partnumber Manufacturer Quantity Availability
PCA9673BS PHILIS 705 In Stock

Description and Introduction

Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset The **PCA9673BS** from Philips is a versatile **I2C-bus controlled 8-bit I/O expander** designed to simplify digital interface expansion in embedded systems. It provides an efficient solution for applications requiring additional GPIO pins while minimizing microcontroller overhead.  

Featuring **low-voltage operation** (1.65V to 5.5V), the PCA9673BS is compatible with a wide range of microcontrollers and logic levels. Its **I2C interface** supports standard (100 kHz) and fast (400 kHz) modes, ensuring seamless integration with existing bus architectures. The device includes **internal pull-up resistors**, reducing external component count and simplifying PCB design.  

Each of the **8 configurable I/O pins** can be independently set as inputs or outputs, offering flexibility for interfacing with sensors, switches, LEDs, and other peripherals. The PCA9673BS also features **interrupt output functionality**, allowing the host microcontroller to efficiently monitor pin state changes without continuous polling.  

With its **small footprint** and robust performance, the PCA9673BS is well-suited for space-constrained applications, including consumer electronics, industrial automation, and IoT devices. Its low-power design ensures energy efficiency, making it ideal for battery-powered systems.  

In summary, the PCA9673BS delivers a reliable, cost-effective solution for expanding digital I/O capabilities while maintaining system simplicity and performance.

Application Scenarios & Design Considerations

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

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