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
  
                
PCAL6408AHKX


Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt
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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 : 59212
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USD 0.7387

Multiples of: 1

8 I/OI2c, Smbus100 KHzYes1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtXQFN - 16Reel  
PCA9535BS,118


Interface - I/O Expanders I2C/SMBUS 16BIT 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 : 42063
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USD 1.1385

Multiples of: 1

16 I/OI2c, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 24Reel  
SX1509BIULTRT


Interface - I/O Expanders 16 CHAN LOW VOLT I2C GPIO +PWM
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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.

Semtech Availability : 41771
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USD 2.1131

Multiples of: 1

16 I/OI2c, Serial With Interrupt3.6 V+ 85 C- 40 CSmd/SmtQFN - 28-  
PCA9570GMH


NXP Semiconductors Interface - IO Expanders Low voltage output 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 : 35464
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USD 0.3251

Multiples of: 1

4 I/OI2c, Serial1 MHzWith Interrupt3.6 V+ 85 C- 40 CSmd/SmtXQFN - 8Reel  
Hot PCA9555PW,118


Interface - I/O Expanders 16-BIT I2C FM TP GPIO INT PU
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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 : 32852
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USD 0.7272

Multiples of: 1

16I2c, Smbus400 KHzYes2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtSOT - 355Reel  
PCA9554BPWJ


Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address
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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 : 31920
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USD 0.8521

Multiples of: 1

  100 KHz 1.65 v to 5.5 V+ 85 C- 40 CSmd/SmtTSSOP - 16Reel  
PCF8574T/3,518


Interface - I/O Expanders I/O EXPANDER 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.

NXP Availability : 28792
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USD 0.8717

Multiples of: 1

8 I/O   2.5 v to 6 V+ 85 C- 40 CSmd/SmtSO - 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 Availability : 23820
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USD 0.9088

Multiples of: 1

8 I/OI2c, Serial, Smbus With Interrupt2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtTQFN - 24Cut Tape  
PCA9534BS3,118


Interface - I/O Expanders 8BIT I2C/SMBUS 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.

NXP Availability : 23731
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.9943

Multiples of: 1

8 I/OI2c, Smbus  2.3 v to 5.5 V+ 85 C- 40 CSmd/SmtHVQFN - 16Reel  
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 Availability : 23197
Ship by Thu. 05 Sep to Mon. 09 Sep Calender.png

USD 0.8889

Multiples of: 1

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