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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Image  Information Image Stock Code(▲▼)Description
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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
  
                
PCAL9539AHF,128


Interface - I/O Expanders Low-voltage 16-bit I2C-bus and SMBus low power I/O port with interrupt and reset
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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 : 4319
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.5069
Multiples of: 1

    1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Reel  
MCP23S09T-E/MG


Interface - IO Expanders 8B IO 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 : 4262
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.4238
Multiples of: 1

     + 125 C- 40 CSMD/SMTQFN - 16Cut Tape , Reel  
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 : 4255
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 0.9338
Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCF8574AT/3.518


Interface - I/O Expanders EXTENDED I/O EXPANDER I2C
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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 : 4220
Ship by Tue. 28 May to Mon. 03 Jun Calender.png

USD 1.1669
Multiples of: 1

            
MCP23008-E/SS


IC: expander; 8bit I/O port; I2C; SSOP20; 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 : 4150
Ship by Tue. 28 May to Mon. 03 Jun Calender.png

USD 1.1612
Multiples of: 67

8 I/OI2C, Serial With Interrupt1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 20Tube  
PCAL6534EVJ


Interface - I/O Expanders ULV 34-bit Fm+, I2C- 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.

NXP Availability : 4036
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.7086
Multiples of: 1

 I2c, Serial, Smbus With Interrupt0.8 v to 3.6 V+ 85 C- 40 CSmd/SmtVFBGA - 42Cut Tape  
PCA9671BS,118


Interface - I/O Expanders REMOTE 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 : 4002
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.5662
Multiples of: 1

16 I/OI2c, Serial With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/Smt Cut Tape  
XL9535


Interface - I/O Expanders TSSOP24 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 : 3992
Ship by Tue. 11 Jun to Fri. 14 Jun Calender.png

USD 0.4007
Multiples of: 1

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PCA9502BS,128


Interface - I/O Expanders 8-BITI/O EXPDR
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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 : 3949
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.4831
Multiples of: 1

8 I/O   2.5 v to 3.3 V+ 85 C- 40 CSmd/SmtHVQFN - 24Reel  
PCA6416AHF,128


Interface - I/O Expanders Low-voltage translating 16-bit I2C-bus/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.

NXP Availability : 3930
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 0.8317
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Tube  
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