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PCA24S08D from NXP,NXP Semiconductors

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PCA24S08D

Manufacturer: NXP

PCA24S08; 1024 x 8-bit CMOS EEPROM with access protection

Partnumber Manufacturer Quantity Availability
PCA24S08D NXP 1400 In Stock

Description and Introduction

PCA24S08; 1024 x 8-bit CMOS EEPROM with access protection The **PCA24S08D** from NXP Semiconductors is a versatile **8-bit I²C-bus and SMBus I/O expander** designed to enhance system flexibility by providing additional digital I/O ports. This component is particularly useful in applications where microcontroller I/O pins are limited, enabling efficient expansion through a simple two-wire I²C interface.  

Featuring **8 quasi-bidirectional I/O pins**, the PCA24S08D supports both input and output configurations, making it suitable for interfacing with sensors, switches, LEDs, and other peripherals. Its **interrupt output** pin allows efficient event-driven communication, reducing the need for continuous polling and improving system responsiveness.  

The device operates across a **wide voltage range (2.3V to 5.5V)**, ensuring compatibility with various logic levels. It also includes **internal power-on reset circuitry**, enhancing reliability during power-up sequences. With three hardware address pins, up to eight devices can be connected on the same I²C bus, enabling scalable designs.  

The PCA24S08D is ideal for industrial control, consumer electronics, and embedded systems, offering a compact and cost-effective solution for I/O expansion. Its robust design and ease of integration make it a reliable choice for engineers seeking efficient digital interface management.

Application Scenarios & Design Considerations

PCA24S08; 1024 x 8-bit CMOS EEPROM with access protection

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