About Interface - I/O Expanders

Texas Instruments 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
  
                
PCA9554ARGTR


Interface - I/O Expanders Remote 8B I2C and Lo-Pwr 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 : 5898
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USD 0.7499

Multiples of: 1

8I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
PCA9555DWR


Texas Instruments Interface - IO Expanders Remote 16-Bit I2C & SMBus 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 : 5873
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USD 0.8993

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideReel  
PCF8574APW


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
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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 : 5701
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USD 1.5306

Multiples of: 1

8I2c, Smbus100 KHzNo2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9554DWR


Interface - I/O Expanders Remote 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 : 5622
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.3382

Multiples of: 1

8 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
PCA9534ARGVR


Texas Instruments Interface - IO Expanders Remote 8B I2C & 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 : 5416
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.1497

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
TXS02612RTWR


Translation - Voltage Levels SDIO Port 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 : 5355
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.6048

Multiples of: 1

    1.1 V To 3.6 V+ 85 C- 40 CSmd/SmtQFN - 24 EPReel  
TCA9534APWR


Texas Instruments Interface - IO Expanders Remote 8B I2C and Low-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 : 5056
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.392

Multiples of: 1

     + 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9538PWR


Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr 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 : 4899
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8946

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
TCA9535DBR


Interface - I/O Expanders Remote 16bit I2C LP 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 : 4408
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.7704

Multiples of: 1

18 I/OI2c, Serial With Interrupt5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCF8575PWE4


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 : 4386
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2

Multiples of: 1

16 I/OI2C, Serial, SMBus  2.5 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 24Tube  
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