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PCA9537DP from NXP,NXP Semiconductors

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PCA9537DP

Manufacturer: NXP

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

Partnumber Manufacturer Quantity Availability
PCA9537DP NXP 3799 In Stock

Description and Introduction

4-bit I2C-bus and SMBus low power I/O port with interrupt and reset The **PCA9537DP** from NXP Semiconductors is a versatile, low-voltage 4-bit I²C and SMBus I/O expander designed to simplify digital signal management in embedded systems. This compact device provides four configurable GPIO (General-Purpose Input/Output) pins, enabling seamless interfacing between microcontrollers and peripheral components.  

Featuring an I²C-compatible serial interface, the PCA9537DP supports standard (100 kHz) and fast (400 kHz) communication modes, ensuring efficient data transfer. Each I/O pin can be independently configured as an input or output, with internal pull-up resistors eliminating the need for external components in many applications.  

Operating at a voltage range of 1.65V to 5.5V, the PCA9537DP is suitable for both 3.3V and 5V systems, making it adaptable to diverse designs. Its interrupt output pin notifies the host controller of input state changes, reducing the need for continuous polling and improving system efficiency.  

Housed in a small TSSOP-8 package, the PCA9537DP is ideal for space-constrained applications such as industrial controls, consumer electronics, and IoT devices. With its robust performance and ease of integration, this I/O expander offers a reliable solution for expanding digital I/O capabilities in modern electronic systems.

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