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PCA9674D from PHILIS,Philips

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PCA9674D

Manufacturer: PHILIS

Remote 8-bit I/O expander for Fm+ I虏C-bus with interrupt

Partnumber Manufacturer Quantity Availability
PCA9674D PHILIS 858 In Stock

Description and Introduction

Remote 8-bit I/O expander for Fm+ I虏C-bus with interrupt The **PCA9674D** from Philips is a versatile **I²C-bus controlled 8-bit I/O expander** designed to enhance the input/output capabilities of microcontrollers and other digital systems. This CMOS-based component provides a simple and efficient solution for expanding I/O ports without consuming additional microcontroller pins, making it ideal for space-constrained applications.  

Featuring **low-voltage operation** (2.3V to 5.5V), the PCA9674D is compatible with a wide range of logic levels, ensuring seamless integration into diverse electronic designs. Its **I²C-bus interface** supports standard (100 kHz) and fast (400 kHz) modes, enabling efficient communication with host controllers.  

The device includes **8 quasi-bidirectional I/O pins**, each configurable as an input or output without requiring a direction control register. Internal pull-up resistors simplify circuit design by eliminating the need for external components. Additionally, the PCA9674D offers **interrupt functionality**, alerting the host controller of input state changes, reducing polling overhead.  

With its **small footprint** and robust performance, the PCA9674D is well-suited for applications such as industrial control systems, consumer electronics, and embedded devices. Its reliable operation and ease of use make it a practical choice for engineers seeking an efficient I/O expansion solution.

Application Scenarios & Design Considerations

Remote 8-bit I/O expander for Fm+ I虏C-bus with interrupt

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