About Interface - I/O Expanders

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
  
                
PCF8575CDBQR


Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander
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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.

Texas Instruments Availability : 2190
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.05

Multiples of: 1

16 I/OI2c, Serial, Smbus  4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
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 Availability : 2134
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.0863

Multiples of: 1100

8 I/OI2c, Serial With Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtSOIC - 18Reel  
Hot PCA9555BS,118


NXP Semiconductors Interface - IO Expanders I2CSMBUS 16BIT GPIO
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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.

NXP Availability : 2127
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.8153

Multiples of: 1

16 I/O   2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTHVQFN - 24Cut Tape , Reel  
PCA9535D,112


Interface - I/O Expanders I2C/SMBUS 16BIT GPIO
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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.

NXP Availability : 2124
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.242

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHzWith Interrupt2.3 V To 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Tube  
PCA9674PW,118


NXP Semiconductors Interface - IO Expanders 8-BIT I2C FM QB
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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.

NXP Availability : 2116
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0465

Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9554ADB,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO INT PU
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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.

NXP Availability : 2100
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.943

Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtSSOP - 16Reel  
MCP23S17T-E/ML


Interface - I/O Expanders 16bit Input/Output Exp SPI 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 Availability : 2045
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 1.4078

Multiples of: 1

16Spi10 MHzYes4.5 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 28Reel  
TCA9538PWR


Texas Instruments Interface - IO Expanders Rem 8B I2C & SMBus Lo-Pwr IO Expander
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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.

Texas Instruments Availability : 2026
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USD 0.8085

Multiples of: 1

     + 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCAL9538APWJ


Interface - I/O Expanders Low-voltage 8-bit I2C-bus and SMBus low power I/O port with interrupt, reset and Agile I/O
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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.

NXP Availability : 2014
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0643

Multiples of: 1

         Reel  
XRA1403IL24-F


XRA1403 Series 16 Bit SPI GPIO Expander w/ Interrupt Out and Reset In - QFN-24
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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.

MaxLinear Availability : 2005
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.3289

Multiples of: 1

  15 MHzWith Interrupt1.65 v to 3.6 V+ 85 C- 40 CSmd/SmtQFN - 24Tray  
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