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PCA9536DR from TI,Texas Instruments

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PCA9536DR

Manufacturer: 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.

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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