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MCP23S18-E/SO - Microchip

Description: I/O Expander 16Bit SPI Open-Drain SOIC28

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PCB Footprints
MCP23S18-E/SO - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 28-LAED PLASTIC SMALL OUTLINE  (SO) -WIDE, 7.50MM BODY [SOIC]
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3D Models
MCP23S18-E/SO - Microchip  - 3D model - Small Outline Packages - 28-LAED PLASTIC SMALL OUTLINE  (SO) -WIDE, 7.50MM BODY [SOIC]
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MCP23S18-E/SO Details

  • Manufacturer Part Number:

    MCP23S18-E/SO

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    SOIC-28

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    2 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Clock Frequency-Max:

    10 MHz

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    17.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    16

  • Number of I/O Lines:

    16

  • Number of Ports:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    1 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.8 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

MCP23S18-E/SO Frequently Asked Questions (FAQs)

  • The maximum frequency of the SPI interface is 10 MHz.
  • You can use the CS (Chip Select) pin to select which device to communicate with. Each device should have a unique CS pin connection.
  • The RESET pin is used to reset the device to its default state. It can be tied to VDD or driven by an external reset signal.
  • Yes, you can use a SPI-to-I2C bridge chip or a microcontroller with an I2C interface to communicate with the MCP23S18.
  • The interrupt pins can be configured as active-high or active-low, and can be triggered by specific events such as input changes or output matches.

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MCP23S18-E/SO Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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