MCP23S09T-E/SO The Microchip Technology MCP23S09T-E/SO is an 8-bit IO expander with an SPI interface. It operates from a 1.8V to 5.5V supply and is available in an 18-SOIC package.
Mfr Part #:

MCP23S09T-E/SO

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP23S09T-E/SO is an 8-bit IO expander with an SPI interface. It operates from a 1.8V to 5.5V supply and is available in an 18-SOIC package.
✓ Total Stock: 28,120 pcs
$ Price Range: $1.15

MCP23S09T-E/SO Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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28,120 pcs
28120 pcs On Request 1 On Request On Request 2020+ On Request On Request

MCP23S09T-E/SO Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
ESD Protection
Interface
Interrupt Output
Mounting Type
Number of I
Number of I/O
Operating Temperature
Output Type
Quiescent Current
Supplier Device Package
Voltage

MCP23S09T-E/SO Description

Short technical summary and product information.

The MCP23S09T-E/SO from Microchip Technology is an 8-bit IO expander designed for expanding microcontroller capabilities. It features a serial peripheral interface (SPI) for communication, allowing for efficient data transfer at clock speeds up to 10 MHz. This device supports a wide operating voltage range from 1.8V to 5.5V, making it suitable for various applications.

 

With 8 general-purpose input/output (I/O) pins, the MCP23S09T-E/SO provides flexible interfacing options. The outputs are open-drain, and the device includes an interrupt output feature for event-driven operations. It is specified for an extended operating temperature range of -40°C to 125°C, ensuring reliable performance in demanding environments.

 

The component is housed in an 18-SOIC package, designed for surface mounting. This package type is common in electronic manufacturing and facilitates integration into compact designs. The device also includes manual reset functionality and ESD protection up to 4 kV.

MCP23S09T-E/SO Quick Information

Product Type: IO Expander
Canonical Name: MCP23S09T-E/SO 8-Bit IO Expander with SPI Interface
Subcategory: Interface ICs

MCP23S09T-E/SO Compliance

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

MCP23S09T-E/SO Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

MCP23S09T-E/SO Features

  • 8-bit IO expander with SPI interface.
  • Wide operating voltage from 1.8V to 5.5V.
  • Supports clock speeds up to 10 MHz.
  • Operates from -40°C to 125°C.
  • Surface mount 18-SOIC package.

MCP23S09T-E/SO Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for embedded system designs.
  • Used in applications requiring SPI communication.
  • Ideal for space-constrained designs.

MCP23S09T-E/SO FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MCP23S09T-E/SO?

The MCP23S09T-E/SO operates from 1.8V to 5.5V.

What package type is the MCP23S09T-E/SO available in?

The MCP23S09T-E/SO is available in an 18-SOIC package.

What is the operating temperature range for this IO expander?

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

What interface does the MCP23S09T-E/SO use?

The MCP23S09T-E/SO uses an SPI interface.

How many I/O pins does the MCP23S09T-E/SO have?

The MCP23S09T-E/SO has 8 I/O pins.

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