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
  
                
PCA9557DT


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 : 727
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.9875

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9555PWE4


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 : 696
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.775

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
PCA9554DB


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 : 679
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.8391

Multiples of: 1

8I2c, Serial, Smbus400 KHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Tube  
TCA9534PWR


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 : 628
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.475

Multiples of: 1

8 I/OI2c, Serial With Interrupt5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9539DW


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 : 608
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.288

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideTube  
TCA9534ADWT


Interface - I/O Expanders Remote 8-Bit I2C and 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 : 593
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8887

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9538DW


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 : 580
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.1984

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
PCA9536D


Interface - I/O Expanders Remote 4-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 : 563
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.874

Multiples of: 1

4I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 8Tube  
PCA9535RGER


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 : 485
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.771

Multiples of: 1

 I2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtQFN - 24Reel  
PCA9557PWT


Interface - I/O Expanders Rem 8B I2C & SMBus Lo-Pwr I/O Expander
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 : 485
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.9875

Multiples of: 1

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