PCA9554ARGVRManufacturer: TI Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9554ARGVR | TI | 205 | In Stock |
Description and Introduction
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85 The **PCA9554ARGVR** from Texas Instruments is an 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO ports. This CMOS-integrated circuit is widely used in applications requiring remote I/O expansion, such as industrial controls, networking equipment, and consumer electronics.  
Featuring an I²C interface, the PCA9554ARGVR allows communication with a host microcontroller using just two bidirectional control lines. It supports both input and output configurations, with programmable polarity inversion for input ports. The device operates within a voltage range of 2.3V to 5.5V, making it compatible with various logic levels.   Key features include low standby current consumption, hardware address pins for multiple device connections, and interrupt output for efficient event monitoring. Its small **VQFN-16** package ensures space-efficient integration into compact designs.   The PCA9554ARGVR is ideal for simplifying system designs where additional I/O lines are needed without increasing microcontroller pin count. Its robust performance and ease of integration make it a reliable choice for engineers seeking scalable and efficient I/O expansion solutions.   For detailed specifications, refer to the official datasheet to ensure proper implementation in your design. |
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Application Scenarios & Design Considerations
Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-VQFN -40 to 85
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