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
  
                
TCA6416APWR


Interface - I/O Expanders Lo-Vltg 16B I2C & SMBus 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 : 320
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USD 0.5794

Multiples of: 1

16I2c, Serial, Smbus400 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA9554DB,112


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 : 0
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USD 0.7769

Multiples of: 1

       Smd/SmtSSOP - 16 (SOT - 338 - 1)Tube  
PCA8574ATS,118


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 : 0
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USD 0.7831

Multiples of: 1

    2.3 v to 5.5 V  Smd/SmtSSOP - 20Reel  
CAT9554YI-GT2


Interface - I/O Expanders I2C/SMBUS Expander 8B,w/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.

ON Semiconductor Availability : 0
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USD 0.7889

Multiples of: 1

     + 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9536DP118


I2C and SMBus GPIO Expanders 8-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.

NXP Availability : 0
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USD 0.7918

Multiples of: 2300

            
PCA9672D,518


Interface - I/O Expanders 8BIT I2C FM+ QB 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 Availability : 0
Ship by 6 to 16 Weeks Calender.png

USD 0.7943

Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOIC - 16Reel  
PCA9558PW,118


Interface - IO Expanders 5BIT MP1-BITL 6BIT
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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 : 0
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USD 0.8027

Multiples of: 1

8 I/OI2c, Serial, Smbus400 KHz 3 v to 3.6 V+ 70 C0 CSmd/SmtTSSOP - 28Reel  
PCAL6416AERX


Interface - I/O Expanders 16-bit I2C-bus 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 : 0
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USD 0.8034

Multiples of: 1

16 I/OI2c, Serial, Smbus100 KHzWith Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtUFBGA - 24Reel  
PI4IOE5V9555LE


Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O 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 : 0
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USD 0.8037

Multiples of: 1

8 I/OI2C, Serial, SMBus With Interrupt2.3 V to 5.5 V+ 85 C- 40 CSMD/SMTTSSOP - 24Tube  
PCF8574RGYR


Interface - I/O Expanders Remote 8-Bit I/O Expander for I2C-Bus
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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
Ship by 6 to 16 Weeks Calender.png

USD 0.8037

Multiples of: 3000

8 100 KHz 2.5 v to 6 V+ 85 C- 40 CSmd/SmtVQFN - 20Reel  
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