Microchip 16-Channel I/O Expander SPI PDIP 28 MCP23S17-E/SP, 10MHz Clock, 1.8-5.5V Supply, Through Hole Mount

The Microchip MCP23S17-E/SP is a 16-channel I/O expander packaged in a 28-pin PDIP designed to increase the number of digital inputs and outputs using an SPI interface, making it ideal for embedded systems and microcontroller applications.

This device operates with a clock frequency up to 10MHz and supports a wide supply voltage range from 1.8V to 5.5V, ensuring compatibility with varied system voltages.

It features through-hole mounting for robust mechanical stability in circuit boards and is capable of functioning reliably in temperatures ranging from -40°C to 125°C, supporting harsh industrial environments.

The compact dimensions of 35.56mm length by 5.08mm height enable integration in applications where space is constrained. Designed by Microchip, this I/O expander facilitates expansion of digital peripherals with minimal microcontroller pin usage.

Typical use cases include industrial automation, embedded control systems, laboratory instruments, and consumer electronics requiring additional I/O capability via SPI communication.

The device supports 16 independent I/O channels. Operates at clock frequencies up to 10MHz ensuring fast interfacing. Wide operating voltage range from 1.8V to 5.5V for flexible applications. 28-pin PDIP package with through-hole mount for ease of soldering and replacement.

Operating temperature range from -40°C to 125°C suitable for demanding environments. Compact and robust design supporting long term reliability. Manufactured in Thailand ensuring consistent quality standards. No specific certifications or automotive standards apply to this component.

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