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
  
                
PCAL9535APW,118


NXP Semiconductors Interface - IO Expanders 16bit I2C IO Port Interrupt and Agile
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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 11848
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between Mon. 13 May to Wed. 15 May Calender.png

USD 1.426
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 24Reel  
PCA8574APW,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 11575
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.8889
Multiples of: 1

    2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCA9506DGG,518


Interface - I/O Expanders 40BIT I2C FMTP GPIO INT RST OE
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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 11493
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between Mon. 13 May to Wed. 15 May Calender.png

USD 3.9195
Multiples of: 1

40 I/O   2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 56Reel  
AW9523BTQR


Interface - I/O Expanders TQFN-24 RoHS
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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.

Awinic 11332
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between Tue. 21 May to Fri. 24 May Calender.png

USD 0.3476
Multiples of: 1

   Yes     Tape Reel (Tr)  
MCP23018-E/SS


Interface - I/O Expanders 16-bit I/O Expander I2C 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 11021
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between Mon. 13 May to Wed. 15 May Calender.png

USD 1.8515
Multiples of: 1

    1.8 V to 5.5 V+ 125 C- 40 CSMD/SMTSSOP - 24Tube  
TCA9555RGER


Interface - I/O Expanders 1.65 to 5.5V 16-bit 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.

Texas Instruments 10951
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.652
Multiples of: 1

16 I/OI2c, Serial, Smbus With Interrupt5.5 V+ 85 C- 40 CSmd/SmtVQFN - 24Reel  
XRA1403IG24TR-F


Interface - IO Expanders 16 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 10871
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.9913
Multiples of: 1

16 I/OSerial, SPI With Interrupt1.65 V to 3.6 V+ 85 C- 40 CSMD/SMTTSSOP - 24Cut Tape , Reel  
PCA9538APWJ


Interface - I/O Expanders 8bit 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 10857
Ships to you
between Mon. 13 May to Wed. 15 May Calender.png

USD 0.8705
Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
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 9
Ships to you
between Tue. 21 May to Fri. 24 May Calender.png

USD 1.3948
Multiples of: 1

8 I/OSerial, Spi10 MHzWith Interrupt1.8 v to 5.5 V+ 125 C- 40 CSmd/SmtQFN - 20Reel  
MAX7301ATL+T


Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port 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.

Analog Devices 0
6 to 16 Weeks Calender.png

USD 9.385
Multiples of: 1

28 I/OSerial, Spi With Interrupt2.5 v to 5.5 V+ 125 C- 40 CSmd/Smt Reel  
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