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PCF8574ADGVR from TI,Texas Instruments

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PCF8574ADGVR

Manufacturer: TI

Remote 8-Bit I/O Expander for I2C-Bus

Partnumber Manufacturer Quantity Availability
PCF8574ADGVR TI 1964 In Stock

Description and Introduction

Remote 8-Bit I/O Expander for I2C-Bus # Introduction to the PCF8574ADGVR  

The **PCF8574ADGVR** is a versatile **I/O expander** integrated circuit designed to simplify the expansion of digital input/output capabilities in microcontroller-based systems. Utilizing the **I²C-bus interface**, this 8-bit device enables efficient communication with minimal wiring, making it ideal for space-constrained applications.  

With its **low standby current consumption**, the PCF8574ADGVR is well-suited for battery-powered devices. It features **quasi-bidirectional I/O ports**, eliminating the need for external pull-up resistors while maintaining compatibility with standard logic levels. Each port can be individually configured as an input or output, providing flexibility in system design.  

Key applications include **keypad interfacing, LED control, sensor monitoring, and general-purpose I/O expansion**. The device supports **interrupt functionality**, allowing the host microcontroller to respond promptly to input changes without continuous polling.  

Housed in a compact **TSSOP-8 package**, the PCF8574ADGVR is optimized for modern PCB designs requiring high component density. Its robust performance and ease of integration make it a reliable choice for embedded systems, industrial controls, and consumer electronics.  

By leveraging the PCF8574ADGVR, engineers can efficiently extend I/O resources while maintaining a streamlined and cost-effective design.

Application Scenarios & Design Considerations

Remote 8-Bit I/O Expander for I2C-Bus

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