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.

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
  
                
PCA9534D,118


Interface - I/O Expanders I2C/SMBUS 8BIT LP
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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 7877
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USD 0.943
Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSO - 16Reel  
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 7842
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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  
PCA9535DWR


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 7798
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USD 1.0902
Multiples of: 1

 I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 24Reel  
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 7787
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USD 1.4145
Multiples of: 1

8 I/O   2.5 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 20Reel  
MCP23017T-E/SO


Microchip Technology Interface - IO Expanders 16bit InputOutput Exp I2C interface
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Microchip 7760
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USD 1.4375
Multiples of: 1

16 I/OI2c, Serial1.7 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/Smt Reel  
PCA9554DB,118


Interface - I/O Expanders 8-BIT I2C FM TP GPIO INT PU
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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 7751
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USD 0.914
Multiples of: 1

  400 KHz  + 85 C- 40 CSmd/SmtSSOP - 16 (SOT - 338 - 1)Reel  
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 7709
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USD 0.9994
Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
PCA9539PW,118


Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT RST
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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 7693
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between Tue. 21 May to Fri. 24 May Calender.png

USD 0.9487
Multiples of: 1

16 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9535PW,112


Interface - I/O Expanders I2C/SMBUS 16BIT GPIO
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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 7689
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between Mon. 13 May to Wed. 15 May Calender.png

USD 1.242
Multiples of: 1

16 I/OI2c, Serial, Smbus400 KHzWith Interrupt2.3 V To 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Tube  
PI4IOE5V6416LEX


Interface - IO Expanders Interface IO Expandr
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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 7632
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between Mon. 13 May to Wed. 15 May Calender.png

USD 0.7256
Multiples of: 1

       Smd/SmtTSSOP - 24Cut Tape  
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