I2C General Purpose I/O Expanders

NXP Semiconductors I2C General Purpose I/O Expanders provide GPIO expansion for most microprocessor families, allowing designers to save the GPIOs on microprocessors for other important functions. Designers can utilize the microprocessor GPIOs for important functions and use the I/O expander for other duties, including system monitoring, ACPI power switches, sensors, push buttons, LEDs, fans, and more. NXP GPIO expanders are ideal for adding fan and LED control to systems. They are also ideal for monitoring system functions and accepting push-button inputs.

Types of Semiconductors
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NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in TSSOP16 package
Datasheet
3.341In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in VFBGA24 package
Datasheet
4.828In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package
Datasheet
19.473In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
Datasheet
63.928In Stock
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Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
Datasheet
54.092In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
53.886In Stock
49.841On Order
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in HWQFN24 package
Datasheet
15.002In Stock
30.000Expected 06/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
16.979In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
2.754In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP24 package
Datasheet
6.136In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500


NXP Semiconductors Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater
Datasheet
5.850In Stock
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Min.: 1
Mult.: 1
: 4.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in HWQFN24 package
Datasheet
12.310In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in TSSOP24 package
Datasheet
7.816In Stock
12.500Expected 01/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2.500


NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
10.083In Stock
18.000Expected 21/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
2.662In Stock
5.000Expected 08/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Reset in HWQFN24 package
Datasheet
13.005In Stock
12.000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package
Datasheet
3.149In Stock
40.880On Order
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package
Datasheet
9.986In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package
Datasheet
12.763In Stock
96.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package
Datasheet
2.218In Stock
6.000Expected 07/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in HWQFN24 package
Datasheet
12.731In Stock
18.000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000


NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
661In Stock
6.000Expected 13/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package
Datasheet
180In Stock
132.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554C in TSSOP16 package
Datasheet
12.450Expected 08/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500


NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in HVQFN16 package
Datasheet
416In Stock
6.000Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 6.000