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MCP23S18-E/MJ The MCP23S18-E/MJ is an SPI interface IO expander with 16 I/O channels. It operates at a maximum clock frequency of 10 MHz and features open drain outputs.
Mfr Part #:

MCP23S18-E/MJ

Available from 4 distributors
Mfr Name: Microchip Technology
Microchip Technology
The MCP23S18-E/MJ is an SPI interface IO expander with 16 I/O channels. It operates at a maximum clock frequency of 10 MHz and features open drain outputs.
✓ Total Stock: 37,294 pcs
$ Price Range: $1.15

MCP23S18-E/MJ Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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MCP23S18-E/MJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Output Current
Output Type
Power Dissipation
Supplier Device Package
Voltage
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MCP23S18-E/MJ Description

Short technical summary and product information.

The MCP23S18-E/MJ is an integrated circuit IO expander manufactured by Microchip Technology. It communicates via the SPI interface and provides 16 input/output channels suitable for expanding microcontroller I/O capabilities. The device operates at a maximum clock frequency of 10 MHz and supports an operating voltage range from 1.8 V to 5.5 V. It features open drain output type with a sink current of up to 25 mA per pin and a total sink current of 400 mA. The device is designed for applications requiring additional I/O ports, such as industrial automation, home automation, and embedded systems. It is packaged in a 24-pin QFN package, suitable for surface mounting. The MCP23S18-E/MJ can operate within a temperature range from -40°C to 125°C, making it suitable for various environmental conditions.

MCP23S18-E/MJ Quick Information

Product Type: IO Expander
Canonical Name: MCP23S18-E/MJ

MCP23S18-E/MJ Compliance

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

MCP23S18-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.

MCP23S18-E/MJ Features

  • 16 I/O channels for expansion
  • SPI interface with 10 MHz max clock
  • Operates from 1.8 V to 5.5 V
  • Open drain output type
  • Supports -40°C to 125°C temperature range

MCP23S18-E/MJ Applications

  • Ideal for microcontroller I/O expansion
  • Used in industrial automation systems
  • Suitable for home automation projects
  • Applicable in embedded system designs

MCP23S18-E/MJ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the MCP23S18-E/MJ?

The MCP23S18-E/MJ operates within a voltage range from 1.8 V to 5.5 V.

What is the maximum clock frequency for the SPI interface?

The maximum clock frequency for the SPI interface is 10 MHz.

How many I/O channels does the MCP23S18-E/MJ provide?

It provides 16 I/O channels.

What package type is used for the MCP23S18-E/MJ?

It is packaged in a 24-pin QFN package.

What is the operating temperature range of the device?

The device operates from -40°C to 125°C.

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