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
  
                
TCA6418EYFPR


Interface - I/O Expanders I2C Controlled 18 Ch GPIO 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 : 2910
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USD 1.0925
Multiples of: 3000

18I2 C1 MHzYes1.65 v to 3.6 V+ 85 C- 40 CSmd/SmtDSBGA - 25Reel  
PCA9574BS,118


NXP Semiconductors Interface - IO Expanders 8-BIT I2C-BUSSMBUS
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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 : 2908
Ship by Fri. 14 Jun to Tue. 18 Jun Calender.png

USD 0.8521
Multiples of: 1

     + 85 C- 40 CSmd/SmtNVQFN - 16Reel  
TCA9539RTWR


Interface - I/O Expanders Rem 16B I2C & SMBus Low-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 : 2904
Ship by Mon. 24 Jun to Thu. 27 Jun Calender.png

USD 0.8133
Multiples of: 1

16 I/OI2C, Serial, SMBus  1.65 V to 5.5 V+ 85 C- 40 CSMD/SMTWQFN - 24Cut Tape , Reel  
PCA9539RGER


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 : 2884
Ship by Fri. 14 Jun to Tue. 18 Jun Calender.png

USD 0.8809
Multiples of: 1

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 24Reel  
PCA9674PW,118


NXP Semiconductors Interface - IO Expanders 8-BIT I2C FM QB
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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 : 2880
Ship by Fri. 14 Jun to Tue. 18 Jun Calender.png

USD 1.0154
Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9698DGG,512


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 : 2829
Ship by Fri. 14 Jun to Tue. 18 Jun Calender.png

USD 3.841
Multiples of: 1

40 I/OI2c, Serial With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 56Tube  
MCP23008-E/P


IC: expander; 8bit I/O port; I2C; DIP18; 1.8÷5.5VDC
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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 : 2813
Ship by Mon. 10 Jun to Fri. 14 Jun Calender.png

USD 1.4625
Multiples of: 25

8 I/OI2C, Serial With Interrupt1.8 V to 5.5 V+ 125 C- 40 CThrough HolePDIP - 18Tube  
MCP23008T-E/SS


Microchip Technology Interface - IO Expanders InOut I2C int
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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 : 2776
Ship by Mon. 10 Jun to Fri. 14 Jun Calender.png

USD 1.325
Multiples of: 1

8 I/OI2c, Serial1.7 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtSSOP - 20Reel  
MCP23S17T-E/SS


Interface - I/O Expanders 16bit Input/Output Exp 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 : 2698
Ship by Mon. 24 Jun to Thu. 27 Jun Calender.png

USD 1.1758
Multiples of: 1

16 I/OSpi10 MHzYes1.8 v to 5.5 V+ 125 C- 40 CSmdsmtSSOP - 28Reel  
XRA1402IG16TR-F


Interface - IO Expanders 8 Bit SPI GPIO 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.

MaxLinear Availability : 2682
Ship by Fri. 14 Jun to Tue. 18 Jun Calender.png

USD 1.0557
Multiples of: 1

   With Interrupt1.65 v to 3.6 V+ 85 C- 40 CSmd/SmtTSSOP - 16Cut Tape  
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