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Rochester Electronics PCAL6408AHK115 Environmental and export classification status description

The NXP Semiconductors PCAL6408AHK115 is an Integrated Circuits (ICs) device specifically designed for general-purpose Input/Output (I/O) expander applications. It is part of NXP Semiconductors' family of digital I/O expanders that provide a simple solution for adding additional I/O lines to a microcontroller or microprocessor. Functions: - The PCAL6408AHK115 features an 8-bit I/O port with an I2C-bus/SMBus interface. - It offers flexible configuration options for input, output, and interrupt functionality. - The device supports both standalone operations and cascading multiple devices for expanded I/O capabilities. - It also features an interrupt capability that allows the host system to be notified of changes in the input status without continuously polling the device. Applications: - Industrial automation and control systems - Consumer electronics - LED control modules - Internet of Things (IoT) devices - Smart home applications Alternative Components: Some alternative components to the NXP Semiconductors PCAL6408AHK115 in the market include: 1. Microchip MCP23008 2. Texas Instruments PCA9555 3. STMicroelectronics STM8S105C6T6 4. Maxim Integrated MAX7311 5. ON Semiconductor LC7132 Embedded Modules: The PCAL6408AHK115 can be integrated into various systems using microcontrollers, microprocessors, or single-board computers to expand their I/O capabilities. It can be paired with platforms like Arduino, Raspberry Pi, PIC microcontrollers, or other development boards for diverse embedded applications. Related Q&A: 1. Q: What is the maximum voltage and current that can be handled by the PCAL6408AHK115? A: The device supports a voltage range from 1.65V to 5.5V and can handle up to 25mA per I/O pin. 2. Q: Can multiple PCAL6408AHK115 devices be cascaded together? A: Yes, multiple devices can be cascaded using a common I2C bus to expand the total number of I/O pins available to the system. 3. Q: How can the interrupt functionality of the PCAL6408AHK115 be leveraged in embedded systems? A: The interrupt pin can be connected to the microcontroller's interrupt input, allowing the host system to respond rapidly to changes in the input status without continuously polling the device. 4. Q: Is the PCAL6408AHK115 compatible with popular development platforms like Arduino? A: Yes, the device can be easily interfaced with Arduino boards using the I2C communication protocol for expanding the I/O capabilities of Arduino-based projects. 5. Q: What are some common use cases for the PCAL6408AHK115 in industrial automation? A: The device is often used in industrial automation for handling various input and output signals, controlling sensors and actuators, and simplifying the I/O requirements of industrial control systems.