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.
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Global Stock ⓘ (▲▼)Price(USD

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Enter Qty Number of I/OsInterface TypeMaximum Operating FrequencyInterrupt OutputOperating Supply VoltageMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingESD ProtectionQualification
  
                
MCP23016-I/SO


IC: expander; 16bit I/O port; I2C; SO28; 2÷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 : 1561
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USD 1.9665

Multiples of: 1

    2 V to 5.5 V+ 85 C- 40 CSMD/SMTSOIC - 28Tube  
PCF8575DGVR


Interface - I/O Expanders Remote 16-Bit 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 Availability : 1558
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USD 1.6905

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 24Reel  
PCA9539DWR


Texas Instruments Interface - IO Expanders 16-Bit I2C & SMBus Lo-Pwr IO 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 : 1515
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USD 1.1017

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideReel  
MCP23009-E/MG


Interface - I/O Expanders 8B 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 : 1513
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USD 1.3

Multiples of: 120

    1.8 V To 5.5 V+ 125 C- 40 CSmd/SmtQFN - 16 EPTube  
PCA9518PWR


Interface - I/O Expanders Expandable 5-Ch I2C Hub
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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 : 1482
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USD 1.0016

Multiples of: 1

5 I/O 400 KHz 3 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
MCP23S17T-E/SS


Interface - I/O Expanders 16bit 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 Availability : 1482
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USD 1.092

Multiples of: 1

16 I/OSpi10 MHzYes1.8 v to 5.5 V+ 125 C- 40 CSmdsmtSSOP - 28Reel  
PI4IOE5V96248ZLEX


Interface - I/O Expanders 48-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.

Diodes Incorporated Availability : 1437
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USD 1.7375

Multiples of: 1

48 I/OI2c, Serial With Interrupt5.5 V+ 85 C- 40 CSmd/SmtTQFN - 56Cut Tape  
TCA9555DBR


Interface - I/O Expanders 1.65 to 5.5V, 16bit 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 : 1412
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USD 0.7383

Multiples of: 1

16 I/OI2c, Serial With Interrupt5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
MCP23008-E/ML


Interface - I/O Expanders 8bit Input/Output Exp 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 : 1400
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USD 1.1562

Multiples of: 91

8I2 C1.7 MHzYes1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Tube  
TCA9539QPWRQ1


Interface - I/O Expanders Automotive Low Voltage 16bit
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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 : 1349
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USD 1.0935

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 3.6 V+ 125 C- 40 CSmd/SmtTSSOP - 24Reel Aec - Q100
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