About Interface - I/O Expanders

Microchip Interface - I/O Expanders

An interface I/O expander is a type of electronic circuit that is used to increase the number of input/output ports available in an embedded system. These expanders allow for more efficient use of the limited I/O ports available in most microcontrollers. By adding additional interface I/O ports, the need for extra I/O components such as additional LEDs, dials, switches, and relays can be eliminated. Additionally, by including an interface I/O expander, more complex embedded systems can be designed, using less overall components. The interface I/O expander itself will typically consist of multiple parallel ports, which can be used to communicate to and from the microcontroller, as well as multiple external devices. Common interface I/O expanders include serial-to-parallel converters, parallel-to-serial converters, shift registers, port expanders and more.

Interface - I/O Expanders

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(Ex. GST)(▲▼)		Enter Qty Number of I/OsInterface TypeMaximum Operating FrequencyInterrupt OutputOperating Supply VoltageMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingESD ProtectionQualification
  
                
MCP23017-E/ML


Interface - I/O Expanders 16bit Input/Output Exp I2C interface
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip 73102
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USD 1.656
Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTQFN - 28Tube  
MCP23018T-E/MJ


Interface - I/O Expanders 16B I/O Expander I2C interface
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Microchip 21392
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USD 1.6445
Multiples of: 1

        QFN - 24Cut Tape  
MCP23S08T-E/SS


Interface - I/O Expanders In/Out SPI int
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Microchip 15740
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USD 1.3084
Multiples of: 1

8 I/OSpi10 MHzYes4.5 v to 5.5 V+ 125 C- 40 CSmdsmtSSOP - 20Reel  
MCP23017T-E/ML


Interface - I/O Expanders 16bit Input/Output Exp I2C interface
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip 15258
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USD 1.6375
Multiples of: 1

16 I/OI2 C1.7 MHzYes4.5 v to 5.5 V+ 125 C- 40 CSmdsmtQFN - 28Reel  
MCP23S18-E/MJ


Interface - I/O Expanders 16B I/O Expander SPI interface
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Microchip 15018
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USD 1.8745
Multiples of: 1

  3.4 MHz 1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 24Tube  
MCP23S08-E/ML


Interface - I/O Expanders 8bit Input/Output Exp SPI interface
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Microchip 13353
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USD 1.4835
Multiples of: 1

8Spi10 MHzYes1.8 v to 5.5 V  Smd/SmtQFN - 20Tube  
MCP23008T-E/SO


Interface - I/O Expanders In/Out I2C int
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip 12804
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USD 1.0875
Multiples of: 1100

8 I/OI2c, Serial With Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtSOIC - 18Reel  
MCP23S08T-E/ML


Microchip Technology Interface - IO Expanders 8bit InputOutput Exp SPI interface
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Microchip 12087
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USD 1.518
Multiples of: 1

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Reel  
MCP23018-E/SS


Interface - I/O Expanders 16-bit I/O Expander I2C interface
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip 11021
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USD 1.8515
Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 24Tube  
MCP23018T-E/SO


Interface - I/O Expanders 16B I/O Expander I2C interface
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Microchip 10817
Ships to you
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USD 1.8191
Multiples of: 1

        SOIC - 28Reel  
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