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
  
                
PCA9554PWR


I2C/SMBus GPIO Expander 5.5V 16-Pin TSSOP T/R
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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 : 172
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USD 1.3766

Multiples of: 1

8 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCF8574ADWR


Interface - I/O Expanders 8bit I/O Expndr
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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 : 166
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USD 0.6336

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9534DB


Texas Instruments Interface - IO Expanders Rem 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 : 154
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.4238

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Tube  
PCF8575PW


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 : 147
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 2.2866

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
PCA9518PW


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 : 144
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 1.4

Multiples of: 1

5 I/OI2c, Smbus400 KHzNo3 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Tube  
PCA9518DW


Texas Instruments Interface - IO 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 : 143
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.35

Multiples of: 1

5 I/O 400 KHz 3 v to 3.6 V+ 85 C- 40 CSmd/SmtSOIC - 20 WideTube  
PCF8575CDW


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 : 135
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.2188

Multiples of: 1

16I2c, Serial, Smbus400 KHz 4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Tube  
TPIC1020D


Interface; transceiver; 20kbps; 7 to 27VDC; SMD; SO8
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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 : 129
Ship by Fri. 30 Aug to Thu. 05 Sep Calender.png

USD 2.3544

Multiples of: 1

            
PCF8575CDWE4


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 : 113
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 2.1505

Multiples of: 1

        SOIC - 24Tube  
Hot PCA9539DGVR


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 : 77
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 1.0275

Multiples of: 1

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