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
  
                
PCA9535PW.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 : 400
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USD 1.8922

Multiples of: 1

            
XD82C55-5


Interface - I/O Expanders DIP-40 RoHS
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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.

XINLUDA Availability : 384
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USD 1.0022

Multiples of: 1

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MCP23018-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 Availability : 366
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USD 1.575

Multiples of: 27

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSOIC - 28Tube  
PCF8574RGTR


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
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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 : 353
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.937

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
CY8C9540A-24PVXI


Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM
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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.

Infineon Availability : 327
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USD 7.5555

Multiples of: 1

  12 MHz 3 v to 5.25 V+ 85 C- 40 CSmd/SmtSSOP - 48Tube  
PCA9534DBR


Interface - I/O Expanders Remote 8B I2C & Lo- Pwr 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 : 322
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0875

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
PCA9538DB


Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr 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 : 298
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.1675

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Tube  
PCA9534DGVR


Texas Instruments Interface - IO Expanders Remote 8B I2C & 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 : 295
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.1497

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 16Reel  
PCF8574PW


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
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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 : 295
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 2.1666

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
MCP23018-E/SP


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 Availability : 291
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.6625

Multiples of: 15

    1.8 V to 5.5 V+ 125 C- 40 CThrough HoleSPDIP - 28Tube  
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