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
  
                
TCA9539RTWR


Interface - I/O Expanders Rem 16B I2C & SMBus Low-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 : 2695
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USD 0.7445

Multiples of: 1

16 I/OI2C, Serial, SMBus  1.65 V to 5.5 V+ 85 C- 40 CSMD/SMTWQFN - 24Cut Tape , Reel  
PCF8575DBR


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 : 2683
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.7825

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCA9539RGER


Interface - I/O Expanders 16-Bit 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 : 2589
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8372

Multiples of: 1

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 24Reel  
TCA9555RTWR


Interface - I/O Expanders Remote 16B 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 : 2522
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.5676

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtWQFN - 24Reel  
TCA9539PWR


Interface - I/O Expanders Rem 16B I2C & SMBus Low-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 : 2358
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.4765

Multiples of: 1

16I2c, Serial, Smbus400 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9536DRG4


Interface - IO Expanders Remote 4-Bit I2C and 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 : 2224
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.725

Multiples of: 1

4 I/OI2C, Serial, SMBus  2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTSOIC - 8Cut Tape , Reel  
PCF8575CDBQR


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 : 2190
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.05

Multiples of: 1

16 I/OI2c, Serial, Smbus  4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
TCA9538PWR


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 : 2026
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8085

Multiples of: 1

     + 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9554ADWR


Texas Instruments Interface - IO Expanders Rem 8B 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 : 2000
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8709

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
LM8335TLX/NOPB


Interface - I/O Expanders General-Purpose Output 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 : 1992
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.4568

Multiples of: 1

8 I/O   1.8 v to 3.3 V+ 85 C- 30 CSmd/SmtDSBGA - 16Cut Tape  
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