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HomeProductsIntegrated Circuits (ICs)Interface - I/O ExpandersMCP23017-E/SP
Microchip Technology
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See specifications for product details.

MCP23017-E/SP - Microchip Technology

Manufacturer Part Number
Microchip Technology
Allelco Part Number
ECAD Model
Parts Description
Detailed Description
28-DIP (0.300', 7.62mm)
Data sheet
MCP23017, MCP23S17 Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 26420

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MCP23017-E/SP Tech Specifications
Microchip Technology - MCP23017-E/SP technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP23017-E/SP

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply 1.8V ~ 5.5V  
Supplier Device Package 28-SPDIP  
Series -  
Package / Case 28-DIP (0.300', 7.62mm)  
Package Tube  
Output Type Push-Pull  
Operating Temperature -40°C ~ 125°C  
Product Attribute Attribute Value  
Number of I/O 16  
Mounting Type Through Hole  
Interrupt Output Yes  
Interface I²C  
Features POR  
Current - Output Source/Sink 25mA  
Clock Frequency 1.7 MHz  
Base Product Number MCP23017  

Parts Introduction

Manufacturer Part Number



Microchip Technology


The MCP23017-E/SP is an I2C interfaced 16-bit I/O expander from Microchip Technology with interrupt output capability.

Product Features and Performance

16-bit input/output port expander

I2C Serial Interface

Interrupt Output feature for input change notification

Programmable pull-up resistors

Configurable polarity inversion

Power-on Reset (POR)

High-speed I2C interface (1.7 MHz)

Product Advantages

Expands I/O lines without additional microcontroller pins

Reduces PCB size and complexity by minimizing need for external components

Smooth integration with most microcontroller families

Key Technical Parameters

Number of I/O: 16

Interface: I2C

Current - Output Source/Sink: 25mA

Clock Frequency: 1.7 MHz

Voltage - Supply: 1.8V to 5.5V

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Robust operating temperature range suitable for industrial applications

Static Protected


Works with any microcontroller with I2C support

Application Areas

Automotive systems

Industrial controls

Consumer electronics

Embedded systems

PLC systems

Product Lifecycle


Not close to discontinuation

Availability of replacements or upgrades is generally provided

Several Key Reasons to Choose This Product

Increases available I/O count on a system with limited microcontroller pins

Supports multiple device address options for use on the same I2C bus

Builds robust and reliable industrial and automotive systems

Enables design scalability and future-proofing with I2C interface

Through-hole mounting allows for easier prototyping and soldering

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP23017-E/SP

Product Attribute MCP23017-E/SP MCP23017T-E/SO MCP23009T-E/SS MCP23016-I/ML
Part Number MCP23017-E/SP MCP23017T-E/SO MCP23009T-E/SS MCP23016-I/ML
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Current - Output Source/Sink 25mA 25mA 25mA 25mA
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 85°C
Interrupt Output Yes Yes Yes Yes
Base Product Number MCP23017 MCP23017 MCP23009 MCP23016
Output Type Push-Pull Push-Pull Open Drain Push-Pull
Series - - - -
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tube
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 2V ~ 5.5V
Supplier Device Package 28-SPDIP 28-SOIC 20-SSOP 28-QFN (6x6)
Package / Case 28-DIP (0.300', 7.62mm) 28-SOIC (0.295", 7.50mm Width) 20-SSOP (0.209', 5.30mm Width) 28-VQFN Exposed Pad
Number of I/O 16 16 8 16
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Clock Frequency 1.7 MHz 1.7 MHz 3.4 MHz 400 kHz
Interface I²C I²C I²C I²C

MCP23017-E/SP Datasheet PDF

Download MCP23017-E/SP pdf datasheets and Microchip Technology documentation for MCP23017-E/SP - Microchip Technology.

MCP23017, MCP23S17 Datasheet.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
Other Related Documents
Cylindrical Battery Holders.pdf
PCN Design/Specification
MCP23017/MCP23S17 01/Jul/2022.pdf MCP23017/MCP23S17 07/Jul/2016.pdf
PCN Assembly/Origin
Qualification Revision 18/Dec/2013.pdf


Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Microchip Technology


Microchip Technology

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