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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Global Stock ⓘ (▲▼)Price(USD

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Enter Qty Number of I/OsInterface TypeMaximum Operating FrequencyInterrupt OutputOperating Supply VoltageMaximum Operating TemperatureMinimum Operating TemperatureMounting StylePackage / CasePackagingESD ProtectionQualification
  
                
MCP23S17-E/SS


IC: expander; 16bit I/O port; SPI; SSOP28; 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 : 11078
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USD 1.4375

Multiples of: 47

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 28Tube  
PCA9557RGYR


Interface - I/O Expanders Remote 8B I2C & SMBus Lo-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 : 19
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USD 0.8668

Multiples of: 1

8I2c, Serial, Smbus400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
NCA9555PWJ


Interface - I/O Expanders ANALOG & LOGIC
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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.

Nexperia Availability : 19
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USD 1.3846

Multiples of: 1

   With Interrupt Output        
MAX7318AUG+T


Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion 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.

Analog Devices Availability : 19
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USD 2.6664

Multiples of: 1

16 I/OI2c, Serial With Interrupt2 v to 5.5 V+ 125 C- 40 CSmd/Smt Reel  
Hot MIC74YQS


Interface - I/O Expanders 2-Wire Serial I/O Expander & Fan Controller, QSOP-16 - Lead Free
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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 : 18
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USD 1.0638

Multiples of: 1

72 - Wire, I2 C Yes2.7 V To 3.6 V+ 85 C- 40 CSmd/SmtQSOP - 16Tube  
PCA9534DW


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 : 12
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USD 0.5665

Multiples of: 1

8 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Tube  
MCP25020-I/SL


Interface - I/O Expanders Digital CAN I/O
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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 : 10
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USD 0.7445

Multiples of: 1

    5.5 V+ 85 C- 40 CSmd/SmtSOIC - 14Tube  
PCA9537DPZ


Interface - I/O Expanders 4-bit I2C-bus and SMBus low power I/O port with interrupt and reset
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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 : 9
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USD 1.35

Multiples of: 1

            
MCP23S08T-E/ML


Microchip Technology Interface - IO Expanders 8bit InputOutput 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 : 9
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USD 1.5148

Multiples of: 1

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Reel  
Hot MCP25020-I/P


Interface - I/O Expanders Digital CAN I/O
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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 : 9
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 3.3377

Multiples of: 1

    5.5 V+ 150 C- 65 CThrough HolePDIP - 14Tube  
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