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
  
                
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 14316
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USD 0.7912
Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSO - 16Reel  
KTS1620ERG-TR


Interface - I/O Expanders Low Voltage 24-bit I2C-bus 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.

Kinetic Technologies 13740
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USD 1.524
Multiples of: 1

24 I/OI2C, Serial With Interrupt1.65 V to 5.5 V+ 85 C- 40 CSMD/SMTTQFN55 - 32Cut Tape  
MCP23S08-E/ML


Interface - I/O Expanders 8bit Input/Output Exp 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 13537
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USD 1.4835
Multiples of: 1

8Spi10 MHzYes1.8 v to 5.5 V  Smd/SmtQFN - 20Tube  
TCA9554APWR


Interface - I/O Expanders Remote 8B I2C & 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.

Texas Instruments 13094
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USD 0.6372
Multiples of: 1

8I2c, Serial, Smbus400 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCAL9535AHF,128


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port Interrupt and Agile
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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 12850
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USD 1.4145
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Reel  
MCP23008T-E/SO


Interface - I/O Expanders In/Out I2C 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 12804
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USD 1.0875
Multiples of: 1100

8 I/OI2c, Serial With Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtSOIC - 18Reel  
PCAL6524EVJ


Interface - I/O Expanders Ultra low-voltage translating 24-bit Fm+ 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 12737
Ships to you
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USD 1.1182
Multiples of: 1

24 I/OI2c, Serial, Smbus With Interrupt0.8 v to 3.6 V+ 85 C- 40 CSmd/SmtVFBGA - 36Cut Tape  
MAX7301ATL+T


Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port 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.

Analog Devices 12562
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USD 9.385
Multiples of: 1

28 I/OSerial, Spi With Interrupt2.5 v to 5.5 V+ 125 C- 40 CSmd/Smt Reel  
MCP23S08T-E/ML


Microchip Technology Interface - IO Expanders 8bit InputOutput Exp 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 12087
Ships to you
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USD 1.518
Multiples of: 1

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Reel  
PCAL9535APW,118


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port Interrupt and Agile
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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 11848
Ships to you
between Thu. 02 May to Mon. 06 May Calender.png

USD 1.426
Multiples of: 1

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