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PCF8574ATS/3 from PHILIPS

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PCF8574ATS/3

Manufacturer: PHILIPS

PCF8574; Remote 8-bit I/O expander for I²C-bus

Partnumber Manufacturer Quantity Availability
PCF8574ATS/3 ,PCF8574ATS3 PHILIPS 2288 In Stock

Description and Introduction

PCF8574; Remote 8-bit I/O expander for I²C-bus The **PCF8574ATS/3** is an 8-bit remote I/O expander designed for I²C-bus applications, offering a simple and efficient solution for expanding digital input/output capabilities in microcontroller-based systems. This CMOS-based component integrates an I²C interface, allowing seamless communication with microcontrollers while minimizing the need for additional GPIO pins.  

Featuring quasi-bidirectional I/O ports with internal pull-up resistors, the PCF8574ATS/3 simplifies interfacing with sensors, switches, and other digital peripherals. Each port can independently function as an input or output, providing flexibility in system design. The device operates at a supply voltage range of 2.5V to 6V, making it compatible with a variety of logic levels.  

With an interrupt output pin, the PCF8574ATS/3 can signal the microcontroller when an input state changes, reducing the need for continuous polling and improving system efficiency. Its small **TSSOP-16** package ensures space-efficient integration into compact designs.  

Ideal for industrial control, automation, and consumer electronics, the PCF8574ATS/3 enhances system scalability while maintaining low power consumption. Its robust I²C compatibility and straightforward configuration make it a reliable choice for engineers seeking efficient I/O expansion.

Application Scenarios & Design Considerations

PCF8574; Remote 8-bit I/O expander for I²C-bus

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