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PCA9561D from Pb-free

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PCA9561D

Manufacturer: Pb-free

PCA9561; Quad 6-bit multiplexed I²C EEPROM DIP switch

Partnumber Manufacturer Quantity Availability
PCA9561D Pb-free 1558 In Stock

Description and Introduction

PCA9561; Quad 6-bit multiplexed I²C EEPROM DIP switch The **PCA9561D** is a versatile electronic component designed for efficient data transfer and communication in embedded systems. As an I²C bus controller with a parallel interface, it serves as a bridge between microcontrollers and I/O devices, enabling seamless communication across different voltage levels.  

This IC features a built-in voltage-level translator, making it suitable for interfacing between low-voltage microcontrollers and higher-voltage peripherals. Its bidirectional data transfer capability ensures reliable communication in applications such as industrial automation, consumer electronics, and automotive systems.  

The PCA9561D supports standard (100 kHz) and fast-mode (400 kHz) I²C operations, providing flexibility for various speed requirements. With its low standby current consumption, it is ideal for power-sensitive designs. Additionally, its compact SO16 package makes it suitable for space-constrained PCB layouts.  

Key features include hot-swappable I²C bus support, noise suppression, and robust ESD protection, enhancing system reliability. Engineers often integrate the PCA9561D in designs requiring multi-master I²C communication or voltage-level shifting, ensuring efficient and stable data exchange.  

In summary, the PCA9561D is a reliable solution for bridging communication gaps in mixed-voltage systems, offering performance, efficiency, and ease of integration.

Application Scenarios & Design Considerations

PCA9561; Quad 6-bit multiplexed I²C EEPROM DIP switch

Alternative Part Number

  • PCA9546AD --: Same PCA954x I2C switch family from NXP, 4-channel I2C multiplexer with similar voltage range and I2C interface, often used as a functional substitute for PCA9561D in I2C bus switching applications.
  • TCA9546APWR --: TI 4-channel I2C switch with compatible I2C bus switching function and similar supply voltage range, a common cross-vendor alternative to NXP PCA9561D.
  • PCA9548AD --: 8-channel I2C switch in the same NXP PCA954x family, offering more channels than PCA9561D while keeping compatible I2C interface and voltage levels for bus switching designs.

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