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
  
                
TCA9554DWT


Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SOIC -40 to 85
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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 0.6102

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Cut Tape  
PCA9534ADGVR


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 : 0
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USD 0.6117

Multiples of: 2000

8 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 16Cut Tape  
TCA9554ADWT


Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SOIC -40 to 85
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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 0.631

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Cut Tape  
PCA9554APWR


Texas Instruments Interface - IO Expanders PCA9554ARem 8B 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 0.6675

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCF8574APWRE4


Texas Instruments Interface - IO Expanders Remote 8-Bit IO 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 0.684

Multiples of: 2000

8 I/O 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
PCA9557D


Interface - I/O Expanders Remote 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 0.6926

Multiples of: 40

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
TCA9554ADBR


Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SSOP -40 to 85
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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 0.6995

Multiples of: 2000

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 16Reel  
TCA9554DWR


Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SOIC -40 to 85
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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 0.7287

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9555PWR


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 0.7296

Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
TXS02612ZQSR


Interface - I/O Expanders SDIO Port 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 0.7339

Multiples of: 1

    1.1 v to 3.6 V+ 85 C- 40 CSmd/SmtBGA - 24 - MICRO - STAR JUNIORReel  
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