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PCA9536DGKR from TI,Texas Instruments

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PCA9536DGKR

Manufacturer: TI

Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-VSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9536DGKR TI 1469 In Stock

Description and Introduction

Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-VSSOP -40 to 85 The **PCA9536DGKR** from Texas Instruments is a versatile 4-bit I/O expander designed to enhance system flexibility in low-voltage applications. This compact device operates over a wide voltage range (1.65V to 5.5V), making it suitable for interfacing with microcontrollers and other digital components in mixed-voltage environments.  

Featuring an I²C-bus interface, the PCA9536DGKR simplifies system design by minimizing GPIO requirements on the host controller. Each of its four configurable I/O pins can be independently set as an input or output, with programmable pull-up resistors for improved signal integrity. Additionally, its interrupt output pin alerts the host of input state changes, reducing polling overhead.  

With a small **8-pin VSSOP (DGKR)** package, this component is ideal for space-constrained designs, such as portable electronics, IoT devices, and industrial control systems. Its low standby current consumption further enhances energy efficiency in battery-powered applications.  

The PCA9536DGKR provides a reliable, cost-effective solution for expanding digital I/O capabilities while maintaining compatibility with standard I²C protocols. Its robust design and ease of integration make it a practical choice for engineers seeking scalable and efficient system expansion.

Application Scenarios & Design Considerations

Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers 8-VSSOP -40 to 85

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