PCA9555PWRManufacturer: TI Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9555PWR | TI | 4000 | In Stock |
Description and Introduction
Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85 The **PCA9555PWR** from Texas Instruments is a versatile 16-bit I/O expander designed to enhance the input/output capabilities of microcontrollers and other digital systems. Utilizing the I²C-bus interface, this component allows for efficient communication with minimal wiring, making it ideal for space-constrained applications.  
Featuring 16 programmable GPIO pins, the PCA9555PWR can be configured as inputs or outputs, providing flexibility in interfacing with sensors, switches, LEDs, and other peripherals. Each pin includes internal pull-up resistors, reducing the need for external components. The device supports interrupt functionality, enabling quick response to input changes without continuous polling.   Operating at a voltage range of 2.3V to 5.5V, the PCA9555PWR is compatible with both 3.3V and 5V systems. Its low standby current consumption makes it suitable for power-sensitive designs. Housed in a compact TSSOP-24 package, it is well-suited for industrial, consumer, and embedded applications where expandable I/O is required.   With robust noise immunity and reliable performance, the PCA9555PWR is a practical solution for expanding system connectivity while maintaining simplicity and efficiency in circuit design. |
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Application Scenarios & Design Considerations
Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85
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