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
  
                
MCP23008-E/SO


IC: expander; 8bit I/O port; I2C; SO18; 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 : 1872
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.0863

Multiples of: 42

            
PCA9557DR


Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp
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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 : 1846
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.7337

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
TCA9554ADWR


Interface - I/O Expanders 8-Bit I2C and 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 : 1832
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.7138

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
MCP23016T-I/SO


Interface - I/O Expanders 16 bit In/Out
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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 : 1826
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.2054

Multiples of: 1

    5.5 V+ 85 C- 40 CSmd/SmtSOIC - 28Cut Tape  
PCF8575DWR


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 : 1808
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.7017

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Reel  
PCA9538DBR


Texas Instruments Interface - IO Expanders Rem 8B 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 : 1806
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0538

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
PCA9675PW,118


Interface - I/O Expanders 16-BIT I2C FM+ QB
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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 : 1781
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.518

Multiples of: 1

16 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9538DWR


Texas Instruments Interface - IO Expanders Rem 8B 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 : 1768
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.0299

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
PCA9539PW


Interface - I/O Expanders TSSOP-24 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.

NXP Availability : 1762
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.6103

Multiples of: 1

   Yes        
PCA9557DBR


Interface - I/O Expanders Remote 8B I2C & SMBus Lo-Pwr I/O Exp
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.

Texas Instruments Availability : 1723
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8709

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
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