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
  
                
PCA9555D,112


Interface - I/O Expanders I2C/SMBUS 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 : 8683
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USD 1.3764

Multiples of: 1

16 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSO - 24Tube  
PCA9535HF,118


I2C Interface IC 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 : 8474
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USD 1.5875

Multiples of: 1

16 I/OI2C, Serial, SMBus With Interrupt2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTHWQFN - 24Cut Tape , Reel  
PCA9554BS3,118


Interface - I/O Expanders 8bit I2Cbus-SMBus I/O port w/interrupt
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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 : 8437
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USD 0.9729

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
MCP23018-E/MJ


Interface - I/O Expanders 16B I/O Expander 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 : 8352
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USD 1.6492

Multiples of: 1

  3.4 MHz 1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 24Tube  
PCA9574BS,118


NXP Semiconductors Interface - IO Expanders 8-BIT I2C-BUSSMBUS
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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 : 7975
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USD 0.8521

Multiples of: 1

     + 85 C- 40 CSmd/SmtNVQFN - 16Reel  
PCA9672PW,118


NXP Semiconductors Interface - IO Expanders 8BIT I2C FM QB GPIO INT-RS PU
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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 : 7966
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USD 1.0477

Multiples of: 1

8 I/O 1 MHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9538APWJ


Interface - I/O Expanders 8bit I2C IO 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.

NXP Availability : 7965
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USD 0.8982

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCF8574PWG4


Interface - I/O Expanders Remote 8-Bit 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 : 7937
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USD 1.299

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA6416AHF,128


Interface - I/O Expanders Low-voltage translating 16-bit I2C-bus/SMBus 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 : 7885
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8061

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Tube  
PCA9554DB,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO INT PU
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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 : 7751
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.943

Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtSSOP - 16 (SOT - 338 - 1)Reel  
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