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
  
                
TCA9554DBQR


Texas Instruments Interface - IO Expanders Remote 8-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 : 0
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USD 1.7016

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHzWith Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
PCF8575DGVRG4


I2C/SMBus GPIO Expander 5.5V 24-Pin TVSOP 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 : 0
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USD 1.7033

Multiples of: 2000

16 I/OI2c, Serial, Smbus  2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 24Reel  
TCA6416RTWR


Interface - I/O Expanders Low-Vltg 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 : 0
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USD 1.7679

Multiples of: 1

16 I/OI2C, Serial, SMBus With Interrupt1.65 V to 5.5 V+ 85 C- 40 CSMD/SMTWQFN - 24Cut Tape , Reel  
PCF8574DW


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 : 0
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USD 1.7705

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
LM8325DGR8-1/NOPB


Interface - I/O Expanders Mobile I/O Companion Supporting Keyscan
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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
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USD 1.7933

Multiples of: 1000

     + 85 C- 40 CSmd/SmtCSBGA - 25Cut Tape  
PCA9535PWRG4


I2C/SMBus GPIO Expander 5.5V 24-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 : 0
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USD 1.8162

Multiples of: 2000

 I2c, Serial, Smbus   + 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9539PWE4


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 : 0
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USD 1.8163

Multiples of: 1

16 I/OI2C, Serial, SMBus With Interrupt2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 24Tube  
PCF8575CDWG4


Interface - I/O Expanders Rem 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 : 0
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USD 1.8587

Multiples of: 225

16I2c, Serial, Smbus400 KHz 4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Tube  
PCF8575CDBR


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 : 0
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USD 1.9019

Multiples of: 1

16I2c, Serial, Smbus400 KHz 4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCF8575DBQRG4


I2C/SMBus GPIO Expander 5.5V 24-Pin SSOP 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 : 0
Ship by 6 to 16 Weeks Calender.png

USD 1.9021

Multiples of: 2500

16 I/OI2c, Serial, Smbus  2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
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