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
  
                
PCA9536D,118


Interface - I/O Expanders I2C/SMBUS 4BIT 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 25879
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USD 0.6732
Multiples of: 1

4 I/OI2c, Smbus Without Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSO - 8Reel  
PCA8574PW,118


Interface - I/O 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 24573
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USD 0.9084
Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PI4IOE5V9555ZDEX


Interface - IO Expanders 16-bit I2C-bus and SMBus IO 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 23820
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USD 0.8808
Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTQFN - 24Cut Tape  
PCA9534ARGTR


Interface - I/O Expanders Remote 8B I2C and 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 21513
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USD 1.1727
Multiples of: 1

8 I/O 400 KHz 2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtVQFN - 16Reel  
MCP23018T-E/MJ


Interface - I/O Expanders 16B I/O Expander I2C interface
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Microchip 21392
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USD 1.6445
Multiples of: 1

        QFN - 24Cut Tape  
PCAL6408AEX1Z


Interface - I/O Expanders Low-voltage translating, 8-bit I2C-bus/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.

NXP 19090
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USD 0.7379
Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtX2QFN - 16   
PI4IOE5V6416ZDEX


Interface - I/O Expanders Interface IO 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.

Diodes Incorporated 18142
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USD 0.5831
Multiples of: 1

        TQFN - 24Cut Tape  
PCAL6524HEHP


Interface - IO Expanders 24-bit I2C Fm+ UltraLV VLT 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 18017
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USD 1.1715
Multiples of: 1

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PCF8574TS/3,118


IC: interface; I/O expander; 2.5÷6VDC; I2C; SMD; SSOP20; Ch: 8
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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 17924
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USD 0.8705
Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSSOP - 20Reel  
PCA9539AHF,128


NXP Semiconductors Interface - IO Expanders 16bit I2C IO 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.

NXP 17905
Ships to you
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USD 1.1845
Multiples of: 1

16 I/O 100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtHWQFN - 24Reel  
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