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See Technical Specifications

MCP23S08-E/SO

This versatile component features a serial interface for seamless communication with your system

Manufacturer:

Microchip
Mfr.Part #:

MCP23S08-E/SO
Datasheet:

MCP23S08-E/SO Datasheet (PDF)
Mounting Style:

SMD/SMT
Interface Type:

Serial, SPI
Number of I/Os:

8 I/O
Interrupt Output:

With Interrupt
EDA/CAD Models:

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MCP23S08-E/SO General Description

The MCP23S08-E/SO is an 8-bit I/O expander with SPI interface from Microchip Technology. It provides an easy way to add GPIO (General Purpose Input/Output) pins to a microcontroller or other digital system. With a simple SPI protocol, it allows for communication with the host device. It features eight GPIO pins configurable as inputs or outputs. The device operates on a wide voltage range from 1.8V to 5.5V, making it compatible with a variety of systems. It also offers hardware address pins, enabling connection of up to eight devices on the same bus. The MCP23S08-E/SO is suitable for various applications such as interfacing with switches, sensors, LEDs, and other digital peripherals. Its small SOIC package makes it easy to integrate into compact designs. Additionally, Microchip provides comprehensive documentation and support for integrating the MCP23S08-E/SO into projects

Key Features

The MCP23S08-E/SO is an 8-bit I/O expander with SPI interface

It offers 3 address pins, allowing up to 8 devices on the bus

It has hardware address pins for easy configuration

The chip provides high-speed SPI interface with up to 10 MHz clock frequency

It includes interrupt output pins for efficient communication

Application

The MCP23S08-E/SO is commonly used in embedded systems for interfacing with peripheral devices via SPI

Its application areas include industrial automation, home automation, robotics, and IoT devices

With its 8-bit GPIO expansion and SPI interface, it provides flexible digital I/O capabilities in various electronic projects

Specifications

Product Category	Interface - I/O Expanders	Mounting Style	SMD/SMT
Interface Type	Serial, SPI	Number of I/Os	8 I/O
Interrupt Output	With Interrupt	Supply Voltage - Min	1.8 V
Supply Voltage - Max	5.5 V	Maximum Clock Frequency	10 MHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
ESD Protection	Without ESD Protection	Input Voltage	1.8 V to 5.5 V
Logic Family	MCP23S08	Logic Type	I/O Expander
Moisture Sensitive	Yes	Operating Supply Current	1 mA
Operating Supply Voltage	1.8 V to 5.5 V	Output Current	25 mA
Output Voltage	1.8 V to 4.5 V	Pd - Power Dissipation	700 mW
Product	I/O Expanders	Product Type	I/O Expanders
Propagation Delay Time	50 ns	Factory Pack Quantity	42
Subcategory	Interface ICs	Type	I/O Expander
Unit Weight	0.007408 oz