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MCP23018T-E/MJ The Microchip Technology MCP23018T-E/MJ is a 16-bit I/O expander featuring an I2C interface and open-drain outputs. It operates over a voltage range of 1.8V to 5.5V.
Mfr Part #:

MCP23018T-E/MJ

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP23018T-E/MJ is a 16-bit I/O expander featuring an I2C interface and open-drain outputs. It operates over a voltage range of 1.8V to 5.5V.
✓ Total Stock: 28,106 pcs
$ Price Range: $1.15

MCP23018T-E/MJ Available from 1 distributor

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✓ Non-Authorised
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Smaxon Electronics ✓
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28,106 pcs
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28106 pcs On Request 1 On Request On Request 2020+ On Request On Request
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MCP23018T-E/MJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Operating Voltage
Output Type
Supplier Device Package
Supplier Package
Tape & Reel
Voltage
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MCP23018T-E/MJ Description

Short technical summary and product information.

The Microchip Technology MCP23018T-E/MJ is a versatile 16-bit remote bidirectional I/O port expander designed for I2C applications. It offers configurable interrupt output pins and supports interrupt-on-change functionality from configured defaults or pin changes. The device features open-drain outputs capable of sinking 25 mA per pin, with a total sink capability of 400 mA.

 

With a high-speed I2C interface supporting up to 3.4 MHz, this I/O expander operates within a voltage range of 1.8V to 5.5V. It is specified for an operating temperature range of -40°C to 125°C. The MCP23018T-E/MJ comes in a 24-QFN (4x4 mm) package, suitable for surface mounting.

 

Key features include I/O pins that default to input, a polarity inversion register for input port data, and a single hardware address pin allowing up to eight devices on the bus. The device also includes a power-on reset (POR) feature and low standby current consumption.

MCP23018T-E/MJ Quick Information

Product Type: IO Expander
Canonical Name: MCP23018T-E/MJ 16-Bit I2C I/O Expander with Open-Drain Outputs

MCP23018T-E/MJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MCP23018T-E/MJ Estimated Pricing

Qty Low High
1+ $1.15 $1.15

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP23018T-E/MJ Features

  • 16-bit bidirectional I/O port.
  • Open-drain outputs, 25 mA sink capable.
  • High-speed I2C interface up to 3.4 MHz.
  • Operating voltage from 1.8V to 5.5V.
  • 24-QFN package for surface mounting.

MCP23018T-E/MJ Applications

  • Extends microcontroller I/O capabilities.
  • Suitable for I2C bus systems.
  • Ideal for general-purpose expansion.
  • Supports configurable interrupt signals.

MCP23018T-E/MJ FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MCP23018T-E/MJ?

The operating voltage range is 1.8V to 5.5V.

What package type is the MCP23018T-E/MJ available in?

The MCP23018T-E/MJ is available in a 24-QFN (4x4 mm) package.

What is the operating temperature range for this IO Expander?

The operating temperature range is -40°C to 125°C.

What is the RoHS status of the MCP23018T-E/MJ?

The RoHS status is RoHS3 Compliant.

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