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
  
                
MCP23017-E/SP


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 Availability : 4903
Ship by Wed. 29 May to Tue. 04 Jun Calender.png

USD 1.35
Multiples of: 15

     + 125 C- 40 CThrough HoleSPDIP - 28Tube  
PCA9538PWR


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 : 4899
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 0.8946
Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9535CPW,118


Interface - I/O Expanders 16BIT I2C FM TP 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 : 4859
Ship by Wed. 12 Jun to Mon. 17 Jun Calender.png

USD 0.7815
Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtTSSOP - 24Reel  
TC7SPN334L6X,LF(S


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

Toshiba Availability : 4805
Ship by Wed. 29 May to Tue. 04 Jun Calender.png

USD 0.1555
Multiples of: 1

            
PCAL9555APW,118


Interface - I/O Expanders 16b I2C BUS INTERUPT
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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 : 4793
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.416
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
MCP23S18T-E/MJ


Interface - I/O Expanders 16B I/O Expander 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 : 4622
Ship by Wed. 29 May to Tue. 04 Jun Calender.png

USD 1.925
Multiples of: 1

16Spi10 MHzYes1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 24Reel  
PCA9518PW,118


Interface - I/O Expanders EXPANDABLE 5-CHNNL
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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 : 4612
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.934
Multiples of: 1

    3 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
MCP23S17-E/SP


IC: expander; 16bit I/O port; SPI; DIP28; 1.8÷5.5VDC
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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 : 4554
Ship by Wed. 29 May to Tue. 04 Jun Calender.png

USD 1.4
Multiples of: 15

   Yes        
PI4IOE5V6416Q2LEX


Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K
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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.

Diodes Incorporated Availability : 4515
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.3
Multiples of: 1

         Cut Tape , Reel  
PCA9518APW,518


Interface - I/O Expanders EXPNDBL 5-CH I2C HUB
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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 : 4508
Ship by Tue. 04 Jun to Thu. 06 Jun Calender.png

USD 1.75
Multiples of: 1

    3.3 V  Smd/SmtTSSOP - 20Reel  
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