PCA9539RGERManufacturer: 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
|
|||
For immediate assistance, call us at +86 533 2716050 or email [email protected]
Specializes in hard-to-find components chips