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PCA9534BS from PHI,Philips

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PCA9534BS

Manufacturer: PHI

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

Partnumber Manufacturer Quantity Availability
PCA9534BS PHI 6000 In Stock

Description and Introduction

8-bit I2C-bus and SMBus low power I/O port with interrupt The **PCA9534BS** from Philips is a versatile **8-bit I²C-bus and SMBus I/O expander** designed to enhance the functionality of microcontrollers in embedded systems. This low-voltage CMOS device provides general-purpose remote I/O expansion via the I²C-bus interface, making it ideal for applications requiring additional input/output ports without increasing the microcontroller's pin count.  

Featuring **8 quasi-bidirectional I/O pins**, the PCA9534BS allows each pin to be individually configured as an input or output. It supports **interrupt functionality**, enabling efficient event-driven system designs by alerting the host controller when an input state changes. With an operating voltage range of **2.3V to 5.5V**, it is compatible with a wide variety of logic levels, ensuring flexibility in mixed-voltage environments.  

The device includes **internal pull-up resistors**, reducing external component requirements, and offers three hardware address pins for configuring up to **eight unique I²C addresses** on the same bus. This makes it suitable for applications such as industrial control, consumer electronics, and IoT devices where multiple I/O expanders are needed.  

With its **low standby current consumption** and robust I²C-bus compliance, the PCA9534BS is a reliable solution for expanding digital interfaces efficiently and cost-effectively.

Application Scenarios & Design Considerations

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

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