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
  
                
PCF8574RGTR


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 : 1940
Ship by Tue. 28 May to Mon. 03 Jun Calender.png

USD 0.8835
Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
PCA9534ADBR


Interface - I/O Expanders Remote 8B I2C & 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 : 1940
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.0875
Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
PCA9539PWR


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 : 1930
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.3764
Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9555DBR


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 : 1915
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.0594
Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCA9535DGVR


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 : 1910
Ship by Mon. 03 Jun to Wed. 05 Jun Calender.png

USD 1.317
Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 24Reel  
TCA9539QPWRQ1


Interface - I/O Expanders Automotive Low Voltage 16bit
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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 : 1876
Ship by Tue. 11 Jun to Fri. 14 Jun Calender.png

USD 1.2523
Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 3.6 V+ 125 C- 40 CSmd/SmtTSSOP - 24Reel Aec - Q100
PCA9557DBR


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 : 1864
Ship by Mon. 03 Jun to Wed. 05 Jun 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  
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 Mon. 03 Jun to Wed. 05 Jun 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  
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 Tue. 28 May to Mon. 03 Jun 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  
TCA6418EYFPR


Interface - I/O Expanders I2C Controlled 18 Ch GPIO 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 : 0
Ship by 6 to 16 Weeks Calender.png

USD 0.9932
Multiples of: 3000

18I2 C1 MHzYes1.65 v to 3.6 V+ 85 C- 40 CSmd/SmtDSBGA - 25Reel  
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