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
  
                
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 8886
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.9672
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCA9672BS,118


I2C GPIO Expander 5.5V 16-Pin HVQFN EP T/R
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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 8784
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 1.1349
Multiples of: 1

8 I/OI2c, Serial With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/Smt Cut Tape  
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 8565
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 1.6445
Multiples of: 1

  3.4 MHz 1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 24Tube  
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 8522
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between Tue. 07 May to Mon. 13 May Calender.png

USD 1.2083
Multiples of: 1

            
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 8474
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between Mon. 13 May to Wed. 15 May Calender.png

USD 1.5386
Multiples of: 1

16 I/OI2C, Serial, SMBus With Interrupt2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTHWQFN - 24Cut Tape , Reel  
XL9535QF24


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

XINLUDA 8232
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between Tue. 21 May to Fri. 24 May Calender.png

USD 0.436
Multiples of: 1

            
PCA9554PW,112


Interface - I/O Expanders I2C I/O EXPANDER GP
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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 8101
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.9718
Multiples of: 1

8I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCA6408ABSHP


Interface - I/O Expanders 8bit IO Expander Low Voltage HVQFN
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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 8049
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.7153
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 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 7937
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between Mon. 13 May to Wed. 15 May Calender.png

USD 1.259
Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9554ABS,118


Interface - I/O Expanders I2C I/O EXPANDER GP
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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 7893
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.943
Multiples of: 1

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