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
  
                
PI4IOE5V9555LEX


Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port
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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 : 2910
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USD 0.8037

Multiples of: 1

         Cut Tape  
XRA1403IL24TR-F


Interface - I/O Expanders 16 Bit SPI GPIO 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.

MaxLinear Availability : 2910
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USD 1.6926

Multiples of: 3000

            
PCF8574DWR


Interface - I/O Expanders 8bit I/O Expndr
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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 : 2902
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USD 0.9051

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCF8574T/TR


SO-16-300mil I/O Expanders 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.

HGSEMI Availability : 2826
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USD 0.4982

Multiples of: 1

            
MCP23008-E/P


IC: expander; 8bit I/O port; I2C; DIP18; 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 : 2813
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USD 1.45

Multiples of: 25

8 I/OI2C, Serial With Interrupt1.8 V to 5.5 V+ 125 C- 40 CThrough HolePDIP - 18Tube  
Hot PCA9555APW,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 : 2799
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USD 0.6646

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
MCP23S09-E/MG


Interface - I/O Expanders 8B 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 : 2793
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USD 1.35

Multiples of: 120

    1.8 V To 5.5 V+ 125 C- 40 CSmd/SmtQFN - 16 EPTube  
TCA9539RGER


Interface - I/O Expanders Remote 16bit I2C and SMBux
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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 : 2790
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USD 0.9213

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 24Reel  
MCP23S08-E/SO


Microchip Technology Interface - IO Expanders InOut SPI 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 : 2770
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USD 1.5

Multiples of: 42

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtSOIC - 18Tube  
PCF8574N


Interface - I/O Expanders 8bit I/O Expndr
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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 : 2690
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.624

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CThrough HolePDIP - 16Tube  
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