MCP23017-E/SP

Name: MCP23017-E/SP
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

Input/Output Expander for Interface

5,828 Effective Inventory

MCP23017-E/SP

Effective Inventory5,828

Input/Output Expander for Interface

Manufacturer Part # : MCP23017-E/SP
Package/Case: SPDIP-28
Brand: Microchip Technology
Product Categories : I/O Expanders
Series : MCP23017

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MCP23017-E/SP DataSheet

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MCP23017-E/SP Description

The MCP23017-E/SP is an I/O expander from Microchip Technology, designed to expand GPIO pins on a microcontroller. This 16-bit I/O expander features an I2C interface for communication and provides programmable interrupt support for critical tasks. It can operate at a voltage range from 1.8V to 5.5V and can be used to control multiple devices.

Features

16-bit I/O Expander: Offers 16-bit of input/output expansion, ideal for projects requiring additional digital I/O pins.
I2C Interface: Facilitates easy communication with microcontrollers and other devices using the I2C protocol.
Programmable Interrupt Support: Allows for customized interrupt handling, ensuring critical tasks are performed efficiently.
Voltage Range: Operates at a wide voltage range of 1.8V to 5.5V, making it suitable for various applications.
Cascadable: Can be cascaded to control multiple devices, enhancing the overall scalability and flexibility of the system.

Applications

The MCP23017-E/SP is ideal for enhancing automation projects, expanding digital I/O pins, and perfect for robotics applications. It can also be used in DIY electronics, prototyping needs, upgrading development boards, and industrial automation setups.

Where to Use:

Enhance your automation projects
Expand digital I/O pins easily
Ideal for robotics applications

Perfect for DIY electronics
Versatile for prototyping needs
Great for home automation

Upgrade your development boards
Effortlessly add extra I/O ports
Boost industrial automation setups

Manufacturer

The MCP23017-E/SP is manufactured by Microchip Technology, a global leader in semiconductor technology. It falls under the category of I/O expanders and provides reliable and efficient expansion capabilities for various microcontrollers.

Packages

The MCP23017-E/SP comes in a 16-pin SOIC (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the I/O expander into electronic circuits.

Equivalent Parts of MCP23017-E/SP

MCP23018: A comparable I/O expander from Microchip Technology with similar features and performance.

FAQ

Q: What is the voltage range of the MCP23017-E/SP?
A: It operates at a wide voltage range of 1.8V to 5.5V, allowing it to function reliably in various environmental conditions.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Interface - I/O Expanders	RoHS	Details
Series	MCP23017	Mounting Style	Through Hole
Package / Case	SPDIP-28	Interface Type	I2C, Serial
Number of I/Os	16 I/O	Interrupt Output	With Interrupt
Supply Voltage - Min	1.8 V	Supply Voltage - Max	5.5 V
Maximum Clock Frequency	1.7 MHz	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 125 C	ESD Protection	4 kV
Brand	Microchip Technology	Product Type !	I/O Expanders
Factory Pack Quantity	15	Subcategory	Interface ICs
Unit Weight	0.130514 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MCP23017-E/SP PDF Download

FAQs

What is MCP23017-E/SP?

The MCP23017-E/SP is a 16-bit I/O expander integrated circuit (IC) manufactured by Microchip Technology. It provides additional general-purpose input/output (GPIO) pins for microcontrollers or other digital systems, allowing for increased flexibility and expanded I/O capability.

How Does MCP23017-E/SP Work?

The MCP23017-E/SP works by communicating with a host microcontroller through an I2C serial interface. It effectively extends the number of available digital I/O pins by providing 16 additional GPIO pins that can be individually configured as inputs or outputs. This allows the microcontroller to control external devices or read digital signals beyond its native capabilities.

How Many Pins does MCP23017-E/SP have and What are the Functions of the Pinout Configuration?

The MCP23017-E/SP is housed in a 28-pin PDIP (Plastic Dual In-Line Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VDD: Power supply pin.
VSS: Ground pin.
A0, A1, A2: Address selection pins for I2C communication.
SDA: I2C serial data input/output pin.
SCL: I2C serial clock input pin.
GPA0-GPA7: General Purpose I/O pins for Port A.
GPB0-GPB7: General Purpose I/O pins for Port B.

What are the Pros and Cons of MCP23017-E/SP?

Pros:

Expandable I/O Capability: Provides 16 additional GPIO pins for enhanced connectivity.
I2C Interface: Easy interfacing with microcontrollers via the I2C serial protocol.
Individual Pin Configuration: Each pin can be configured as input or output independently.
Internal Pull-up Resistors: Built-in pull-up resistors simplify external connections.
Low Power Consumption: Operates with low power consumption, suitable for battery-powered applications.

Cons:

Speed Limitation: Limited by the I2C communication speed, which may not be ideal for high-speed applications.
Complexity: Requires understanding of I2C communication and register settings for proper operation.
External Components: May need additional components such as decoupling capacitors for stable operation.

Are There Any Equivalents/Alternatives to MCP23017-E/SP for Recommendation?

An equivalent part to the MCP23017-E/SP is the PCF8575 from Texas Instruments.
Alternatives to the MCP23017-E/SP include the SX1509 from Semtech and the MAX7311 from Maxim Integrated.