Interface - I/O Expanders – Mouser Singapore

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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.

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Part #

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

PCAL6408APWJ
NXP Semiconductors
1: $1.90
71,595In Stock

Mfr. Part No.
PCAL6408APWJ

Mouser Part No
771-PCAL6408APWJ

NXP Semiconductors

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

Learn More

Datasheet

71,595In Stock

Cut Tape

$1.90

$1.38

$1.25

$1.11

Reel

$0.865

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCAL6408A

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit IO Expander Low Voltage VFBGA

PCA6416AEVJ
NXP Semiconductors
1: $2.28
4,987In Stock

Mfr. Part No.
PCA6416AEVJ

Mouser Part No
771-PCA6416AEVJ

NXP Semiconductors

Interface - I/O Expanders 16bit IO Expander Low Voltage VFBGA

Learn More

Datasheet

4,987In Stock

Cut Tape

$2.28

$1.67

$1.52

$1.34

View

Reel

$1.10

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA6416

SMD/SMT

VFBGA-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

PCA9554CBSHP
NXP Semiconductors
1: $2.07
6,360In Stock

Mfr. Part No.
PCA9554CBSHP

Mouser Part No
771-PCA9554CBSHP

NXP Semiconductors

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

Learn More

Datasheet

6,360In Stock

Cut Tape

$2.07

$1.52

$1.37

$1.21

View

Reel

$0.904

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9554C

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 16b I2C BUS INTERUPT

PCAL9539APW,118
NXP Semiconductors
1: $3.79
4,820In Stock

Mfr. Part No.
PCAL9539APW,118

Mouser Part No
771-PCAL9539APW118

NXP Semiconductors

Interface - I/O Expanders 16b I2C BUS INTERUPT

Learn More

Datasheet

4,820In Stock

Cut Tape

$3.79

$2.84

$2.59

$2.32

Reel

$1.77

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCAL9539A

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

PCAL6408ABSHP
NXP Semiconductors
1: $1.90
88,454In Stock

Mfr. Part No.
PCAL6408ABSHP

Mouser Part No
771-PCAL6408ABSHP

NXP Semiconductors

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

Learn More

Datasheet

88,454In Stock

Cut Tape

$1.90

$1.38

$1.25

$1.11

View

Reel

$0.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCAL6408A

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16-bit I2C-busSMBus Low Voltage

PCAL6416AHF,128
NXP Semiconductors
1: $2.02
41,576In Stock

Mfr. Part No.
PCAL6416AHF,128

Mouser Part No
771-PCAL6416AHF,128

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-busSMBus Low Voltage

Learn More

Datasheet

41,576In Stock

Cut Tape

$2.02

$1.47

$1.33

$1.18

View

Reel

$0.962

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCAL6416A

SMD/SMT

HWQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16b I2C BUS INTERUPT

PCAL6416APW,118
NXP Semiconductors
1: $2.06
24,993In Stock

Mfr. Part No.
PCAL6416APW,118

Mouser Part No
771-PCAL6416APW118

NXP Semiconductors

Interface - I/O Expanders 16b I2C BUS INTERUPT

Learn More

Datasheet

24,993In Stock

Cut Tape

$2.06

$1.50

$1.36

$1.21

Reel

$0.988

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCAL6416A

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package

PCA6416AHF,128
NXP Semiconductors
1: $2.22
7,511In Stock

Mfr. Part No.
PCA6416AHF,128

Mouser Part No
771-PCA6416AHF,128

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package

Learn More

Datasheet

7,511In Stock

Cut Tape

$2.22

$1.65

$1.50

$1.34

View

Reel

$1.10

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA6416

SMD/SMT

HWQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 8bit IO Expander Low Voltage HVQFN

PCA6408ABSHP
NXP Semiconductors
1: $1.89
8,265In Stock

Mfr. Part No.
PCA6408ABSHP

Mouser Part No
771-PCA6408ABSHP

NXP Semiconductors

Interface - I/O Expanders 8bit IO Expander Low Voltage HVQFN

Learn More

Datasheet

8,265In Stock

Cut Tape

$1.89

$1.37

$1.24

$1.10

View

Reel

$0.816

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA6408A

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit IO Expander Low Voltage XQFN

PCA6408AHKX
NXP Semiconductors
1: $1.53
3,690In Stock
11,900Expected 6/4/2026

Mfr. Part No.
PCA6408AHKX

Mouser Part No
771-PCA6408AHKX

NXP Semiconductors

Interface - I/O Expanders 8bit IO Expander Low Voltage XQFN

Learn More

Datasheet

3,690In Stock

11,900Expected 6/4/2026

Cut Tape

$1.53

$1.11

$0.998

$0.881

Reel

$0.72

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

PCA6408A

SMD/SMT

XQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit IO Expander Low Voltage TSSOP

PCA6408APW,118
NXP Semiconductors
1: $2.10
8,478In Stock

Mfr. Part No.
PCA6408APW,118

Mouser Part No
771-PCA6408APW,118

NXP Semiconductors

Interface - I/O Expanders 8bit IO Expander Low Voltage TSSOP

Learn More

Datasheet

8,478In Stock

Cut Tape

$2.10

$1.53

$1.39

$1.23

Reel

$0.927

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA6408A

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16b I2C BUS INTERUPT

PCA6416APW,118
NXP Semiconductors
1: $2.28
8,126In Stock

Mfr. Part No.
PCA6416APW,118

Mouser Part No
771-PCA6416APW118

NXP Semiconductors

Interface - I/O Expanders 16b I2C BUS INTERUPT

Learn More

Datasheet

8,126In Stock

Cut Tape

$2.28

$1.67

$1.52

$1.34

View

Reel

$1.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA6416

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 16bit I2C IO Port

PCA9535AHF,128
NXP Semiconductors
1: $3.29
9,727In Stock

Mfr. Part No.
PCA9535AHF,128

Mouser Part No
771-PCA9535AHF,128

NXP Semiconductors

Interface - I/O Expanders 16bit I2C IO Port

Learn More

Datasheet

9,727In Stock

Cut Tape

$3.29

$2.45

$2.22

$1.96

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9535A

SMD/SMT

HWQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit I2C IO Port

PCA9535APW,118
NXP Semiconductors
1: $2.61
10,870In Stock

Mfr. Part No.
PCA9535APW,118

Mouser Part No
771-PCA9535APW,118

NXP Semiconductors

Interface - I/O Expanders 16bit I2C IO Port

Learn More

Datasheet

10,870In Stock

Cut Tape

$2.61

$1.93

$1.75

$1.57

Reel

$1.32

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA9535A

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit I2C IO Port

PCA9538ABSHP
NXP Semiconductors
1: $2.39
6,650In Stock

Mfr. Part No.
PCA9538ABSHP

Mouser Part No
771-PCA9538ABSHP

NXP Semiconductors

Interface - I/O Expanders 8bit I2C IO Port

Learn More

Datasheet

6,650In Stock

Cut Tape

$2.39

$1.77

$1.60

$1.42

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9538A

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit I2C IO Port

PCA9538APWJ
NXP Semiconductors
1: $2.32
2,328In Stock

Mfr. Part No.
PCA9538APWJ

Mouser Part No
771-PCA9538APWJ

NXP Semiconductors

Interface - I/O Expanders 8bit I2C IO Port

Learn More

Datasheet

2,328In Stock

Cut Tape

$2.32

$1.71

$1.56

$1.37

Reel

$1.16

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA9538A

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit I2C IO Port

PCA9539AHF,128
NXP Semiconductors
1: $2.64
9,138In Stock

Mfr. Part No.
PCA9539AHF,128

Mouser Part No
771-PCA9539AHF,128

NXP Semiconductors

Interface - I/O Expanders 16bit I2C IO Port

Learn More

Datasheet

9,138In Stock

Cut Tape

$2.64

$1.95

$1.78

$1.58

View

Reel

$1.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9539A

SMD/SMT

HWQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit I2C IO Port

PCA9539APW,118
NXP Semiconductors
1: $2.39
2,039In Stock

Mfr. Part No.
PCA9539APW,118

Mouser Part No
771-PCA9539APW,118

NXP Semiconductors

Interface - I/O Expanders 16bit I2C IO Port

Learn More

Datasheet

2,039In Stock

Cut Tape

$2.39

$1.75

$1.60

$1.42

Reel

$1.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA9539A

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

PCA9554BBSHP
NXP Semiconductors
1: $2.17
5,453In Stock

Mfr. Part No.
PCA9554BBSHP

Mouser Part No
771-PCA9554BBSHP

NXP Semiconductors

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

Learn More

Datasheet

5,453In Stock

Cut Tape

$2.17

$1.58

$1.45

$1.27

View

Reel

$1.04

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9554B

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

PCA9554BPWJ
NXP Semiconductors
1: $2.39
10,504In Stock

Mfr. Part No.
PCA9554BPWJ

Mouser Part No
771-PCA9554BPWJ

NXP Semiconductors

Interface - I/O Expanders 8b I2C/SMBus IO Port I2C Fixed Address

Learn More

Datasheet

10,504In Stock

Cut Tape

$2.39

$1.77

$1.60

$1.42

Reel

$1.15

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA9554B

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package

PCA9555AHF,128
NXP Semiconductors
1: $2.64
11,461In Stock

Mfr. Part No.
PCA9555AHF,128

Mouser Part No
771-PCA9555AHF,128

NXP Semiconductors

Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package

Learn More

Datasheet

11,461In Stock

Cut Tape

$2.64

$1.95

$1.77

$1.58

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCA9555A

SMD/SMT

HWQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16b I2C BUS INTERUPT

PCA9555APW,118
NXP Semiconductors
1: $2.45
4,784In Stock

Mfr. Part No.
PCA9555APW,118

Mouser Part No
771-PCA9555APW118

NXP Semiconductors

Interface - I/O Expanders 16b I2C BUS INTERUPT

Learn More

Datasheet

4,784In Stock

Cut Tape

$2.45

$1.81

$1.64

$1.46

Reel

$1.20

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

PCA9555A

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package

PCAL6408AEX1Z
NXP Semiconductors
1: $1.90
6,830In Stock

Mfr. Part No.
PCAL6408AEX1Z

Mouser Part No
771-PCAL6408AEX1Z

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

Learn More

Datasheet

6,830In Stock

Cut Tape

$1.90

$1.38

$1.25

$1.11

Reel

$0.908

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

PCAL6408A

SMD/SMT

X2QFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

PCAL6408AHKX
NXP Semiconductors
1: $1.65
3,474In Stock

Mfr. Part No.
PCAL6408AHKX

Mouser Part No
771-PCAL6408AHKX

NXP Semiconductors

Interface - I/O Expanders 8bit I2C/SMBus IO Expander w/Interrupt

Learn More

Datasheet

3,474In Stock

Cut Tape

$1.65

$1.19

$1.08

$0.952

View

Reel

$0.817

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

PCAL6408A

SMD/SMT

XQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit I2C/SMBus IO Expander w/Interrupt

PCAL6416AEVJ
NXP Semiconductors
1: $2.06
2,430In Stock
6,000Expected 19/2/2026

Mfr. Part No.
PCAL6416AEVJ

Mouser Part No
771-PCAL6416AEVJ

NXP Semiconductors

Interface - I/O Expanders 16bit I2C/SMBus IO Expander w/Interrupt

Learn More

Datasheet

2,430In Stock

6,000Expected 19/2/2026

Cut Tape

$2.06

$1.50

$1.36

$1.21

View

Reel

$0.983

MouseReel Available

Min.: 1
Mult.: 1

Reel: 6,000

PCAL6416A

SMD/SMT

VFBGA-24

I2C, Serial, SMBus

16 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

I2C General Purpose I/O Expanders

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