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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Image  Information Image Stock Code(▲▼)Description
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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
  
                
PCA9555PWG4


I2C/SMBus GPIO Expander 5.5V 24-Pin TSSOP Tube
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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 1.4614

Multiples of: 60

16 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
PCA9555DWG4


I2C/SMBus GPIO Expander 5.5V 24-Pin SOIC Tube
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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 1.4798

Multiples of: 25

16 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideTube  
PCF8575DBRE4


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 1.4882

Multiples of: 1

16 I/OI2c, Serial, Smbus  2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCA9554PWRG4


Interface - I/O Expanders Rem 8B 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 1.4916

Multiples of: 2000

8 I/OI2C, Serial, SMBus  2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 16Cut Tape , Reel  
PCF8575PWG4


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 1.5046

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
PCF8575DWG4


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 1.5046

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Tube  
PCA9539DWG4


I2C/SMBus GPIO Expander 5.5V 24-Pin SOIC Tube
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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 1.5061

Multiples of: 25

16 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24 WideTube  
PCF8575CDGVR


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 1.5182

Multiples of: 2000

16I2c, Serial, Smbus400 KHz 4.5 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 24Reel  
PCA9535DW


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 1.5533

Multiples of: 275

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Tube  
PCF8575PWRE4


Interface - I/O Expanders Remote 16-Bit I2C & SMBus 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 : 0
Ship by 6 to 16 Weeks Calender.png

USD 1.5711

Multiples of: 1

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