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PCA24S08DP from NXP,NXP Semiconductors

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PCA24S08DP

Manufacturer: NXP, PHILIPS

1024 ?8-bit CMOS EEPROM with access protection

Partnumber Manufacturer Quantity Availability
PCA24S08DP NXP, PHILIPS 3732 In Stock

Description and Introduction

1024 ?8-bit CMOS EEPROM with access protection The **PCA24S08DP** from NXP Semiconductors is an advanced **I²C-bus controlled 8-bit I/O expander** designed to enhance system flexibility in microcontroller-based applications. This compact and efficient component enables seamless expansion of digital I/O ports via the widely adopted **I²C interface**, reducing the need for additional GPIO pins on the host microcontroller.  

Featuring **eight configurable I/O pins**, the PCA24S08DP supports both input and output modes, making it suitable for diverse applications such as sensor interfacing, LED control, and switch monitoring. Its **interrupt output** capability ensures efficient event-driven communication, minimizing host processor overhead.  

The device operates across a **wide voltage range (1.65V to 5.5V)**, ensuring compatibility with various logic levels. With **low standby current consumption**, it is ideal for power-sensitive designs. Additionally, its **small TSSOP-16 package** makes it a space-efficient solution for compact PCB layouts.  

Engineers benefit from its **hardware-configurable I²C address**, allowing multiple devices to coexist on the same bus. The PCA24S08DP exemplifies NXP’s commitment to delivering reliable, high-performance peripheral solutions for embedded systems.  

For detailed specifications, refer to the official datasheet to ensure proper integration into your design.

Application Scenarios & Design Considerations

1024 ?8-bit CMOS EEPROM with access protection

Alternative Part Number

  • AT24C08D-PUM --: Pin-compatible 8Kbit I2C EEPROM in the same 8-pin package, widely available and a direct functional drop-in replacement.
  • M24C08-WMN6TP --: 8Kbit I2C serial EEPROM with matching pinout and voltage range, a common second-source option for PCA24S08 designs.
  • CAT24C08WI-GT3 --: 8Kbit I2C EEPROM in SOIC-8 with compatible addressing and timing, suitable as an alternative supplier part.
  • AT24C08C --: I2C serial EEPROM with 8Kbit density, pin-compatible and functionally equivalent to the PCA24S08, widely available.
  • 24LC08B --: 8Kbit I2C EEPROM in the same family, direct functional replacement with compatible addressing and voltage range.
  • CAT24C08 --: 8Kbit I2C CMOS EEPROM offering equivalent memory density and interface, suitable drop-in alternative.

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