About Interface - I/O Expanders

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
  
                
TCA9535MRGER


Interface - I/O Expanders Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -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 : 7663
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USD 0.7337

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5 V+ 85 C- 40 CSmd/SmtVQFN - 24Cut Tape  
PCA9554ABS,118


Interface - I/O Expanders I2C I/O EXPANDER GP
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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.

NXP Availability : 7611
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USD 0.9729

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCA6408ABSHP


Interface - I/O Expanders 8bit IO Expander Low Voltage HVQFN
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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.

NXP Availability : 7508
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USD 0.7131

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
PCAL6534EVJ


Interface - I/O Expanders ULV 34-bit Fm+, I2C- 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.

NXP Availability : 7434
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USD 1.656

Multiples of: 1

 I2c, Serial, Smbus With Interrupt0.8 v to 3.6 V+ 85 C- 40 CSmd/SmtVFBGA - 42Cut Tape  
PCA9534RGVR


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 : 7385
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USD 0.9695

Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
MCP23S09T-E/MG


Interface - IO Expanders 8B IO Expander SPI interface
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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.

Microchip Availability : 7275
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USD 1.4238

Multiples of: 1

     + 125 C- 40 CSMD/SMTQFN - 16Cut Tape , Reel  
TCA9535PWR


Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr
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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 : 7122
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USD 0.4179

Multiples of: 1

16 I/OI2C, Serial, SMBus  1.65 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 24Cut Tape , Reel  
PI4IOE5V9535LEX


Interface - I/O Expanders 16-bit I2C and SMBus Port
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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.

Diodes Incorporated Availability : 7085
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USD 0.7131

Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Cut Tape  
PCA9501PW,118


Interface - I/O Expanders 8BIT I2C
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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.

NXP Availability : 7073
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USD 1.495

Multiples of: 1

8 I/O   2.5 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
PCF8575RGER


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 : 6968
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 1.5306

Multiples of: 1

16I2c, Serial, Smbus400 KHz 2.5 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 24Reel  
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