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
  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
  
                
PCA9670BS,118


NXP Semiconductors Interface - IO Expanders REMOTE 8-BIT 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 : 5739
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.7615

Multiples of: 1

8 I/OI2c, Serial1 MHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCF8574APW


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 : 5701
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.4364

Multiples of: 1

8I2c, Smbus100 KHzNo2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9557BS,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO RST
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 : 5577
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.8073

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
MCP23017T-E/SO


Microchip Technology Interface - IO Expanders 16bit InputOutput 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 : 5577
Ship by Wed. 05 Feb to Tue. 11 Feb Calender.png

USD 1.2875

Multiples of: 1

16 I/OI2c, Serial1.7 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/Smt Reel  
PCAL9539APW,118


Interface - I/O Expanders 16b I2C BUS INTERUPT
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 : 5549
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.221

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9555D,118


Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT PU
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 : 5529
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.4781

Multiples of: 1

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Reel  
PCA9501BS,118


Interface - I/O Expanders 8BIT I2C FMQB GPIONT
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 : 5516
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.397

Multiples of: 1

8 I/O   2.5 v to 3.6 V+ 85 C- 40 CSmd/SmtHVQFN - 20Reel  
PCA9554CBSHP


Interface - IO Expanders 8b I2CSMBus IO Port I2C Fixed Address
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 : 5477
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.8347

Multiples of: 1

    1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Cut Tape  
PCA9534ARGVR


Texas Instruments Interface - IO Expanders Remote 8B I2C & Lo- 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 : 5416
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.079

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
XL9535QF24


16 400kHz I2C QFN-24(4x4) 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.

XINLUDA Availability : 5332
Ship by Wed. 19 Feb to Mon. 24 Feb Calender.png

USD 0.3506

Multiples of: 1

            
EM4095HMSO16A


RFID transceiver; AFE; 4.1÷5.5VDC; SMD; SO16; Modulation: AM
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.

EM Microelectronic Availability : 5332
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 3.7142

Multiples of: 1

            
MCP23009-E/SS


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 : 5172
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.1503

Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 20Tube  
PCA9501PW,118


Interface - I/O Expanders 8BIT I2C
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 : 5101
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.397

Multiples of: 1

8 I/O   2.5 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
PCA6416AEVJ


Interface - I/O Expanders 16bit IO Expander Low Voltage VFBGA
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 : 4960
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.7953

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtVFBGA - 24Reel  
PCA9554BS3,118


Interface - I/O Expanders 8bit I2Cbus-SMBus I/O port w/interrupt
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 : 4932
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.902

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCA9538PWR


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 : 4899
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 0.8395

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9673PW,118


Interface - I/O Expanders 16BIT I2C FM+ QBGPIO
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 : 4875
Ship by Mon. 03 Feb to Wed. 05 Feb Calender.png

USD 1.254

Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
FXL6408UMX


Interface - I/O Expanders 8-Bit I2C-Controlled GPIO 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.

ON Semiconductor Availability : 4850
Ship by Wed. 05 Feb to Tue. 11 Feb Calender.png

USD 0.2549

Multiples of: 5000

8I2 C400 KHzYes1.65 v to 3.6 V+ 85 C- 40 CSmd/Smt Reel  
AW9523BTQR


Interface - I/O Expanders TQFN-24 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.

Awinic Availability : 4841
Ship by Wed. 19 Feb to Mon. 24 Feb Calender.png

USD 0.2437

Multiples of: 1

   Yes     Tape Reel (Tr)  
TC7SPN334L6X,LF(S


Low-Voltage, Low-Power 1-Bit Dual-Supply Bus Buffer
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.

Toshiba Availability : 4805
Ship by Wed. 05 Feb to Tue. 11 Feb Calender.png

USD 0.1739

Multiples of: 1

            
  • 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