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.
Enable Filter
  Manufacturer
Reset
  Number Of I/os
Reset
  Interface Type
Reset
  Maximum Operating Frequency
Reset
  Interrupt Output
Reset
  Operating Supply Voltage
Reset
  Maximum Operating Temperature
Reset
  Minimum Operating Temperature
Reset
  Mounting Style
Reset
  Package / Case
Reset
  Packaging
Reset
  ESD Protection
Reset
  Qualification
Reset
Image  Information Image Stock Code(▲▼)Description
Manufacturer
Global Stock ⓘ (▲▼)Price(USD

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


Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Icon ROHS
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 : 895
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 1.1879

Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 28Tube  
HT8574ARWZ


WSOP-16 I/O Expanders ROHS
Icon ROHS
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.

HTCSEMI Availability : 842
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.3382

Multiples of: 1

            
PCA9535CPW,118


Interface - I/O Expanders 16BIT I2C FM TP GPIO
Icon ROHS
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 : 836
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.3966

Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9539PWR


Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander
Icon ROHS
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 : 831
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 1.4641

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
CP82C55AZ


Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O5V8MHZ40PDIPCOM
Icon ROHS
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.

Renesas Availability : 806
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 13.545

Multiples of: 1

 Parallel  4.5 v to 5.5 V  Through HolePDIP - 40Tube  
PCA9534RGVR


Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander
Icon ROHS
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 : 787
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 0.9559

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
PCAL9535APW,118


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port Interrupt and Agile
Icon ROHS
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 : 777
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 1.144

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
TCA9534DWT


Interface - I/O Expanders Remote 8-Bit I2C Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SOIC -40 to 85
Icon ROHS
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 : 776
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 0.6831

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9555DWR


Texas Instruments Interface - IO Expanders Remote 16-Bit I2C & SMBus IO Expander
Icon ROHS
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 : 775
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 1.1472

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideReel  
PCA8575BS,118


Interface - I/O Expanders 16-BIT I2C FM QB
Icon ROHS
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 : 768
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 1.3811

Multiples of: 1

16 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 24Reel  
MCP23009-E/P


Interface - I/O Expanders 8-bit I/O Expander I2C interface
Icon ROHS
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 : 759
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 1.4375

Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CThrough HolePDIP - 18Tube  
MCP23016T-I/SO


Interface - I/O Expanders 16 bit In/Out
Icon ROHS
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 : 747
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 1.9427

Multiples of: 1

    5.5 V+ 85 C- 40 CSmd/SmtSOIC - 28Cut Tape  
PCF8574RGTR


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
Icon ROHS
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 : 732
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.8233

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
PCA9538PW,118


Interface - I/O Expanders I2C/SMBUS 8BIT GPIO
Icon ROHS
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 : 730
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.6294

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9557DT


Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander
Icon ROHS
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 : 727
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 0.9571

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
CY8C9560A-24AXI


IC: PSoC microcontroller; 24MHz; TQFP100; 3÷5.25VDC; -40÷85°C
Icon ROHS
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 : 724
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 7.161

Multiples of: 1

60I2 C24 MHzYes3 v to 5.25 V+ 85 C- 40 CSmd/SmtTQFP - 100Tray  
MCP25020-I/SL


Interface - I/O Expanders Digital CAN I/O
Icon ROHS
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 : 702
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 3.4298

Multiples of: 1

    5.5 V+ 85 C- 40 CSmd/SmtSOIC - 14Tube  
PCA9555PWE4


Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander
Icon ROHS
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 : 696
Ship by Mon. 06 Oct to Wed. 08 Oct Calender.png

USD 1.551

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
TCA9534APWR


Texas Instruments Interface - IO Expanders Remote 8B I2C and Low-Pwr IO Expander
Icon ROHS
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 : 693
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.518

Multiples of: 1

     + 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9555BS,118


NXP Semiconductors Interface - IO Expanders I2CSMBUS 16BIT GPIO
Icon ROHS
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 : 679
Ship by Wed. 08 Oct to Tue. 14 Oct Calender.png

USD 0.7749

Multiples of: 1

16 I/O   2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTHVQFN - 24Cut Tape , Reel  
  • NoFilter
  • Contains
  • DoesNotContain
  • StartsWith
  • EndsWith
  • EqualTo
  • NotEqualTo
  • GreaterThan
  • LessThan
  • GreaterThanOrEqualTo
  • LessThanOrEqualTo
  • Between
  • NotBetween
  • IsEmpty
  • NotIsEmpty
  • IsNull
  • NotIsNull
  • Custom

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted ISO Certified AS9120 Certified