PCA9536DRManufacturer: TI Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-SOIC -40 to 85 | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| PCA9536DR | TI | 2000 | In Stock |
Description and Introduction
Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-SOIC -40 to 85 The **PCA9536DR** from Texas Instruments is a versatile **4-bit I/O expander** designed to enhance system flexibility in low-voltage applications. Utilizing an **I²C-bus interface**, this compact device allows microcontrollers to efficiently control additional digital inputs and outputs with minimal wiring.  
Featuring **four programmable GPIO pins**, the PCA9536DR supports both input and output configurations, making it ideal for applications such as sensor interfacing, LED control, and system monitoring. Its **wide operating voltage range (2.3V to 5.5V)** ensures compatibility with various logic levels, while the integrated **power-on reset** function guarantees reliable initialization.   With a **low standby current consumption**, the PCA9536DR is well-suited for power-sensitive designs. The device also includes **interrupt output functionality**, enabling efficient event-driven processing without continuous polling. Its **small SOIC-8 package** makes it a space-efficient solution for constrained PCB layouts.   Engineers favor the PCA9536DR for its simplicity, robust performance, and seamless integration into I²C-based systems. Whether used in industrial automation, consumer electronics, or embedded systems, this I/O expander provides a cost-effective way to extend digital control capabilities. |
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Application Scenarios & Design Considerations
Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-SOIC -40 to 85
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