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PCA9534BS3 from NXP,NXP Semiconductors

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PCA9534BS3

Manufacturer: NXP

8-bit I2C-bus and SMBus low power I/O port with interrupt

Partnumber Manufacturer Quantity Availability
PCA9534BS3 NXP 11220 In Stock

Description and Introduction

8-bit I2C-bus and SMBus low power I/O port with interrupt The **PCA9534BS3** from NXP Semiconductors is an 8-bit I²C-bus and SMBus I/O expander designed to enhance system flexibility by providing additional GPIO (General-Purpose Input/Output) ports. This low-power CMOS device is ideal for applications requiring extra I/O expansion while maintaining minimal power consumption.  

Featuring an I²C interface, the PCA9534BS3 enables communication with a host microcontroller, allowing seamless control of up to eight bidirectional I/O pins. Each pin can be individually configured as an input or output, providing versatility in interfacing with sensors, switches, LEDs, and other peripherals. The device supports interrupt functionality, alerting the host system of input state changes, which improves efficiency in event-driven applications.  

Operating within a voltage range of 2.3V to 5.5V, the PCA9534BS3 is suitable for mixed-voltage systems. Its robust design includes internal pull-up resistors and latch-up protection, ensuring reliable performance in industrial, consumer, and embedded applications.  

With a compact TSSOP-16 package, the PCA9534BS3 is an excellent choice for space-constrained designs. Its compatibility with standard I²C protocols simplifies integration, making it a practical solution for expanding I/O capabilities in modern electronic systems.

Application Scenarios & Design Considerations

8-bit I2C-bus and SMBus low power I/O port with interrupt

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