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PCA9539RGER from TI,Texas Instruments

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PCA9539RGER

Manufacturer: TI

Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9539RGER TI 241 In Stock

Description and Introduction

Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-VQFN -40 to 85 # Introduction to the PCA9539RGER from Texas Instruments  

The **PCA9539RGER** is a versatile **I²C-bus controlled 16-bit I/O expander** designed to enhance system flexibility by providing additional general-purpose input/output (GPIO) ports. This low-power CMOS device is ideal for applications requiring extra I/O expansion while maintaining efficient communication via the I²C interface.  

Featuring **16 programmable I/O pins**, the PCA9539RGER allows each pin to be individually configured as an input or output, supporting both push-pull and open-drain output modes. It operates over a **wide voltage range (1.65V to 5.5V)**, making it compatible with various logic levels. The device includes internal pull-up resistors, reducing external component count and simplifying design.  

Key applications include **industrial control systems, consumer electronics, and embedded computing**, where additional I/O expansion is needed without increasing microcontroller pin count. The PCA9539RGER also offers **interrupt functionality**, enabling efficient event-driven processing by signaling changes on input pins.  

Housed in a compact **24-pin VQFN (RGE) package**, the PCA9539RGER is designed for space-constrained applications. Its robust performance, low power consumption, and ease of integration make it a reliable choice for designers seeking scalable I/O solutions.  

For detailed specifications, refer to the official datasheet to ensure proper implementation in your design.

Application Scenarios & Design Considerations

Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-VQFN -40 to 85

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