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
  
                
PCA9534PW


Interface - I/O Expanders Rem 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 1.0761

Multiples of: 90

8 400 KHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCA9534APW


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 1.0766

Multiples of: 90

8 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCA9539DBR


Texas Instruments Interface - IO Expanders 16-Bit I2C & SMBus Lo-Pwr 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 1.0908

Multiples of: 2000

16 I/OI2c, Serial, Smbus400 KHzWith Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
LM8330TMX/NOPB


I2C-COMPATIBLE KEYPAD CONTROLLER WITH GPIO, PWM, AND IEC61000 ESD PROTECTION
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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 1.1

Multiples of: 3000

    1.62 v to 1.98 V  Smd/SmtDSBGA - 25Reel  
PCA9534DWRG4


I2C/SMBus GPIO Expander 5.5V 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 1.106

Multiples of: 2000

8 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16 WideReel  
PCF8575PWR


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 1.1394

Multiples of: 2000

        TSSOP - 24Reel  
PCF8574NE4


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 1.1466

Multiples of: 475

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CThrough HolePDIP - 16Tube  
PCA9555DBQRG4


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
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USD 1.1484

Multiples of: 2500

16 I/OI2c, Serial, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSSOP - 24Reel  
PCA9534PWG4


I2C/SMBus GPIO Expander 5.5V 16-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 1.1913

Multiples of: 90

8 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
PCA9555PW


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 1.1953

Multiples of: 6

16I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
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