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PCF8574ATS from PHILIPS

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PCF8574ATS

Manufacturer: PHILIPS

Remote 8-bit I/O expander for I虏C鈥慴us with interrupt

Partnumber Manufacturer Quantity Availability
PCF8574ATS PHILIPS 62 In Stock

Description and Introduction

Remote 8-bit I/O expander for I虏C鈥慴us with interrupt **Introduction to the PCF8574ATS**  

The PCF8574ATS is a versatile remote 8-bit I/O expander designed for I²C-bus applications. This CMOS-integrated circuit provides general-purpose parallel input/output expansion, making it an ideal solution for microcontrollers with limited I/O pins. Its compact TSSOP-16 package ensures space-efficient integration into modern electronic designs.  

Featuring a simple I²C interface, the PCF8574ATS allows bidirectional data transfer with minimal wiring, reducing system complexity. It supports both input and output operations, with quasi-bidirectional ports that eliminate the need for external pull-up resistors. The device includes an interrupt output pin, enabling efficient event-driven communication by signaling the microcontroller when input states change.  

Operating at a supply voltage range of 2.5V to 6V, the PCF8574ATS is compatible with a wide variety of microcontrollers and logic levels. Its low standby current consumption makes it suitable for power-sensitive applications. Common uses include keypad interfacing, LED control, sensor monitoring, and industrial automation.  

With its robust design and ease of integration, the PCF8574ATS is a reliable choice for expanding I/O capabilities in embedded systems while maintaining efficient communication and power performance.

Application Scenarios & Design Considerations

Remote 8-bit I/O expander for I虏C鈥慴us with interrupt

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