PCA9535RTWRManufacturer: TI Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9535RTWR | TI | 8 | In Stock |
Description and Introduction
Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85 **Introduction to the PCA9535RTWR from Texas Instruments**  
The PCA9535RTWR is a versatile 16-bit I/O expander designed to enhance system flexibility by providing additional input/output ports through an I²C-bus interface. This CMOS-based device is ideal for applications requiring efficient management of multiple I/O lines while minimizing microcontroller pin usage.   Featuring low standby current consumption, the PCA9535RTWR is well-suited for power-sensitive designs. Each I/O pin can be individually configured as an input or output, with internal pull-up resistors simplifying interfacing with external components. The device supports interrupt functionality, allowing the host controller to monitor changes on input pins without continuous polling, improving system efficiency.   With an operating voltage range of 2.3V to 5.5V, the PCA9535RTWR is compatible with a wide variety of logic levels, making it adaptable to diverse embedded systems. Its robust ESD protection ensures reliable performance in industrial and consumer applications.   Housed in a compact TSSOP-24 package, the PCA9535RTWR is an excellent choice for space-constrained designs. Whether used in industrial controls, automation, or IoT devices, this I/O expander delivers a scalable and cost-effective solution for expanding system capabilities. |
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Application Scenarios & Design Considerations
Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85
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