PCA8574TSManufacturer: NXP Remote 8-bit I/O expander for I虏C-bus with interrupt | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA8574TS | NXP | 31 | In Stock |
Description and Introduction
Remote 8-bit I/O expander for I虏C-bus with interrupt The **PCA8574TS** from NXP Semiconductors is a versatile **I/O expander** designed to enhance microcontroller-based systems by providing additional **general-purpose input/output (GPIO) ports**. Utilizing the **I²C-bus interface**, this 8-bit device simplifies system expansion while minimizing PCB space and reducing design complexity.  
Featuring **low current consumption**, the PCA8574TS is ideal for battery-powered applications. It supports **bidirectional data transfer**, allowing each I/O pin to function independently as an input or output without requiring a control register. The device also includes an **interrupt output** to signal changes on input pins, improving system efficiency by reducing the need for continuous polling.   With an **operating voltage range of 2.3V to 5.5V**, the PCA8574TS is compatible with a wide variety of microcontrollers and logic levels. Its **small TSSOP package** makes it suitable for space-constrained designs. Common applications include **keypad interfaces, LED control, and sensor monitoring** in industrial, consumer, and automotive electronics.   Engineers appreciate the PCA8574TS for its **ease of integration** and **reliable performance**, making it a practical choice for expanding I/O capabilities in embedded systems. |
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Application Scenarios & Design Considerations
Remote 8-bit I/O expander for I虏C-bus with interrupt
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