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
  
                
PCF8574DWRG4


I2C GPIO Expander 6V 16-Pin SOIC 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 0.7611

Multiples of: 2000

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
PCF8574ADWE4


I2C GPIO Expander 6V 16-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 0.7639

Multiples of: 560

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideTube  
PCF8574ADW


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 0.7639

Multiples of: 1

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
TCA6416APWR


Interface - I/O Expanders Lo-Vltg 16B I2C & SMBus 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 : 0
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USD 0.7662

Multiples of: 1

16I2c, Serial, Smbus400 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCF8574RGYR


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 0.8037

Multiples of: 3000

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 20Reel  
PCA9536DGKR


Interface - I/O Expanders Remote 4-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 : 0
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USD 0.807

Multiples of: 1

4I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVSSOP - 8Reel  
PCF8574PWRE4


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 0.8076

Multiples of: 2000

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
TCA9535DBT


Interface - I/O Expanders Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-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
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USD 0.8132

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCA9534ADW


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 0.8233

Multiples of: 40

8 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
TCA9555DBT


Interface - I/O Expanders 1.65 to 5.5V 16-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers 24-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
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USD 0.835

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
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