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.
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Enter Qty Number of I/OsInterface TypeMaximum Operating FrequencyInterrupt OutputOperating Supply VoltageMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingESD ProtectionQualification
  
                
PCA9534PWRG4


I2C/SMBus GPIO Expander 5.5V 16-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 1.3481

Multiples of: 2000

8 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9555DGVR


Texas Instruments Interface - IO Expanders Remote 16-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 1.3703

Multiples of: 2000

16 I/OI2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTVSOP - 24Reel  
PCA9539PW


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 1.3706

Multiples of: 60

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
DS26L31CN/NOPB


Driver; RS422,RS485; Channels:4; DIP16
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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 1.3812

Multiples of: 1

            
PCA9518DBT


Interface - I/O Expanders Expandable 5-Ch I2C Hub
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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 1.4119

Multiples of: 1

5 I/OI2 C400 KHz 3 v to 3.6 V+ 85 C- 40 CSmd/SmtSSOP - 20Reel  
PCA9535RTWR


Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr 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 1.4125

Multiples of: 1

 I2C, Serial, SMBus  2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTWQFN - 24Cut Tape , Reel  
PCA9518DWT


Interface - I/O Expanders Expandable 5-Ch I2C Hub
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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 1.431

Multiples of: 250

5 I/O   3 v to 3.6 V+ 85 C- 40 CSmd/SmtSOIC - 20Reel  
PCA9554PWG4


Interface - I/O Expanders Remote 8-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 1.4398

Multiples of: 360

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Tube  
LM8333GGR8/NOPB


Interface - I/O Expanders Mobile I/O Companion Key-Scan
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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 1.4445

Multiples of: 1

4 I/O   2.25 v to 2.9 V+ 85 C- 40 CSmd/SmtBGA - 49Reel  
PCA9557RGVR


Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP 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 1.4575

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
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