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PCA9555PW-T from PHILIPS

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PCA9555PW-T

Manufacturer: PHILIPS

Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
PCA9555PW-T,PCA9555PWT PHILIPS 8 In Stock

Description and Introduction

Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85 The **PCA9555PW-T** from Philips is a versatile **16-bit I/O expander** designed to enhance the input/output capabilities of microcontrollers and embedded systems. Utilizing the **I²C-bus interface**, this component allows for efficient communication with minimal wiring, making it ideal for space-constrained applications.  

Featuring **16 programmable GPIO pins**, the PCA9555PW-T can be configured as either inputs or outputs, providing flexibility for interfacing with sensors, switches, LEDs, and other peripherals. Each pin includes **internal pull-up resistors**, reducing the need for external components and simplifying circuit design.  

With **interrupt functionality**, the device can alert the host microcontroller of input state changes, improving system responsiveness. Its **low standby current consumption** ensures energy efficiency, making it suitable for battery-powered applications.  

The PCA9555PW-T operates across a **wide voltage range (2.3V to 5.5V)**, ensuring compatibility with various logic levels. Packaged in a **TSSOP-24** form factor, it offers a compact solution for expanding I/O in industrial, consumer, and automation systems.  

Engineers favor this IC for its **reliability, ease of integration, and cost-effectiveness**, making it a popular choice for expanding system I/O without increasing microcontroller pin count.

Application Scenarios & Design Considerations

Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85

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