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 16-bit I2C-bus I/O Expander with Interrupt, Low Voltage version of PCA9535 in TSSOP24 package
Datasheet
19.788In Stock
12.500Expected 01/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

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
64.648In 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 TSSOP16 package
Datasheet
54.095In 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
44.889In Stock
60.000Expected 24/08/2026
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
16.002In 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
17.335In 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
2.854In 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
6.141In 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
5.982In Stock
MouseReel Available
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 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
10.411In Stock
18.000Expected 31/08/2026
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
2.687In 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
13.360In Stock
12.000Expected 07/12/2026
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
3.137In Stock
42.000On 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
21.154In Stock
32.000Expected 13/11/2026
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
3.578In Stock
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
13.036In Stock
18.000Expected 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 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
1.228In Stock
36.000Expected 14/09/2026
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
91In Stock
12.500Expected 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
487In Stock
6.000Expected 08/02/2027
MouseReel Available
Min.: 1
Mult.: 1
: 6.000