.hide-partial { max-height: none; } .show-more { display: none; }

2.5 V Interface - I/O Expanders

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 53

Applied Filters:

Supply Voltage - Min = 2.5 V

Manufacturer

Series

Mounting Style

Package/Case

Interface Type

Number of I/Os

Interrupt Output

Supply Voltage - Max

Maximum Clock Frequency

Maximum Operating Temperature

Packaging

ESD Protection

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

PCF8575DBQR
Texas Instruments
1: $6.48
3,863In Stock

Mfr. Part No.
PCF8575DBQR

Mouser Part No
595-PCF8575DBQR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

Datasheet

3,863In Stock

Cut Tape

$6.48

$4.96

$4.59

$4.17

View

Reel

$3.75

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

PCF8575

SMD/SMT

SSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

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

MAX7301AAI+T
Analog Devices / Maxim Integrated
1: $12.69
2,084In Stock

Mfr. Part No.
MAX7301AAI+T

Mouser Part No
700-MAX7301AAIT

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

2,084In Stock

Cut Tape

$12.69

$9.97

$9.29

$8.55

View

Reel

$7.81

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

MAX7301

SMD/SMT

SSOP-28

Serial, SPI

28 I/O

With Interrupt

2.5 V

5.5 V

26 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand

MAX7311ATG+T
Analog Devices / Maxim Integrated
1: $10.36
4,176In Stock

Mfr. Part No.
MAX7311ATG+T

Mouser Part No
700-MAX7311ATGT

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand

Datasheet

4,176In Stock

Cut Tape

$10.36

$8.09

$7.52

$6.90

View

Reel

$6.24

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX7311

SMD/SMT

TQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp

PCA9557DGVR
Texas Instruments
1: $3.26
2,335In Stock

Mfr. Part No.
PCA9557DGVR

Mouser Part No
595-PCA9557DGVR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp

Datasheet

2,335In Stock

Cut Tape

$3.26

$2.44

$2.24

$2.02

View

Reel

$1.62

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCA9557

SMD/SMT

TVSOP-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.5 V

6 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB

PCA9557DBR
Texas Instruments
1: $2.88
2,174In Stock

Mfr. Part No.
PCA9557DBR

Mouser Part No
595-PCA9557DBR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB

Datasheet

2,174In Stock

Cut Tape

$2.88

$2.15

$1.97

$1.77

View

Reel

$1.47

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCA9557

SMD/SMT

SSOP-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.5 V

6 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

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

MAX7301AAI+
Analog Devices / Maxim Integrated
1: $12.85
1,089In Stock

Mfr. Part No.
MAX7301AAI+

Mouser Part No
700-MAX7301AAI

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

1,089In Stock

$12.85

$10.09

$9.16

$8.59

View

Min.: 1
Mult.: 1

MAX7301

SMD/SMT

SSOP-28

Serial, SPI

20 I/O

With Interrupt

2.5 V

5.5 V

26 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

MAX7300AAI+
Analog Devices / Maxim Integrated
1: $12.73
905In Stock

Mfr. Part No.
MAX7300AAI+

Mouser Part No
700-MAX7300AAI

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

Datasheet

905In Stock

$12.73

$10.01

$8.76

$8.33

View

Min.: 1
Mult.: 1

MAX7300

SMD/SMT

SSOP-28

I2C, Serial

20 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

MAX7300AAX+T
Analog Devices / Maxim Integrated
1: $19.76
1,032In Stock

Mfr. Part No.
MAX7300AAX+T

Mouser Part No
700-MAX7300AAXT

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

Datasheet

1,032In Stock

Cut Tape

$19.76

$15.75

$14.75

$13.79

View

Reel

$12.86

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

MAX7300

SMD/SMT

SSOP-36

I2C, Serial

20 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

MAX7300AAX+
Analog Devices / Maxim Integrated
1: $20.09
665In Stock

Mfr. Part No.
MAX7300AAX+

Mouser Part No
700-MAX7300AAX

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

Datasheet

665In Stock

$20.09

$15.92

$14.88

$13.74

View

Min.: 1
Mult.: 1

MAX7300

SMD/SMT

SSOP-36

I2C, Serial

20 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package

PCA9500BS,118
NXP Semiconductors
1: $3.30
5,361In Stock

Mfr. Part No.
PCA9500BS,118

Mouser Part No
771-PCA9500BS-T

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package

Datasheet

5,361In Stock

Cut Tape

$3.30

$2.61

$2.26

$2.03

View

Reel

$1.75

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

PCA9500

SMD/SMT

HVQFN-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.5 V

3.6 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN

PCF8574ANE4
Texas Instruments
1: $4.38
116In Stock

Mfr. Part No.
PCF8574ANE4

Mouser Part No
595-PCF8574ANE4

Texas Instruments

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus A ALT 595-PCF8574AN

Datasheet

Product Comments

116In Stock

$4.38

$3.41

$2.89

$2.73

View

Min.: 1
Mult.: 1

PCF8574A

Through Hole

PDIP-16

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Tube

1 kV

Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR

PCA9557DB
Texas Instruments
1: $3.99
400In Stock

Mfr. Part No.
PCA9557DB

Mouser Part No
595-PCA9557DB

Texas Instruments

Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9557DBR

Datasheet

400In Stock

$3.99

$2.97

$2.72

$2.40

View

Min.: 1
Mult.: 1

PCA9557

SMD/SMT

SSOP-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.5 V

6 V

400 kHz

- 40 C

+ 85 C

Tube

2 kV

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

MAX7300ATL+T
Analog Devices / Maxim Integrated
1: $17.67
1,632In Stock

Mfr. Part No.
MAX7300ATL+T

Mouser Part No
700-MAX7300ATL+T

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port

Datasheet

1,632In Stock

Cut Tape

$17.67

$14.04

$13.13

$12.18

View

Reel

$10.87

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX7300

SMD/SMT

TQFN-40

I2C, Serial

20 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

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

MAX7301AAX+T
Analog Devices / Maxim Integrated
1: $15.29
2,834In Stock

Mfr. Part No.
MAX7301AAX+T

Mouser Part No
700-MAX7301AAXT

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

2,834In Stock

Cut Tape

$15.29

$12.09

$11.29

$10.42

View

Reel

$9.52

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

MAX7301

SMD/SMT

SSOP-36

Serial, SPI

28 I/O

With Interrupt

2.5 V

5.5 V

26 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand

MAX7311AUG+T
Analog Devices / Maxim Integrated
1: $11.69
2,660In Stock

Mfr. Part No.
MAX7311AUG+T

Mouser Part No
700-MAX7311AUGT

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand

Datasheet

2,660In Stock

Cut Tape

$11.69

$9.16

$8.53

$7.83

View

Reel

$7.11

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX7311

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp

PCA9557RGYR
Texas Instruments
1: $2.90
3,148In Stock

Mfr. Part No.
PCA9557RGYR

Mouser Part No
595-PCA9557RGYR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp

Datasheet

3,148In Stock

Cut Tape

$2.90

$2.16

$1.98

$1.78

Reel

$1.68

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PCA9557

SMD/SMT

VQFN-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.5 V

6 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

PCF8574ADGVR
Texas Instruments
1: $3.48
3,744In Stock

Mfr. Part No.
PCF8574ADGVR

Mouser Part No
595-PCF8574ADGVR

Texas Instruments

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

Datasheet

3,744In Stock

Cut Tape

$3.48

$2.68

$2.53

$2.43

Reel

$1.90

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8574A

SMD/SMT

TVSOP-20

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

1 kV

Interface - I/O Expanders 8bit I/O Expndr

PCF8574AN
Texas Instruments
1: $4.32
858In Stock

Mfr. Part No.
PCF8574AN

Mouser Part No
595-PCF8574AN

Texas Instruments

Interface - I/O Expanders 8bit I/O Expndr

Datasheet

858In Stock

$4.32

$3.27

$2.94

$2.67

View

Min.: 1
Mult.: 1

PCF8574A

Through Hole

PDIP-16

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Tube

1 kV

Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW

PCF8574APWR
Texas Instruments
1: $1.59
2,959In Stock
10,000Expected 17/12/2026

Mfr. Part No.
PCF8574APWR

Mouser Part No
595-PCF8574APWR

Texas Instruments

Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW

Datasheet

2,959In Stock

10,000Expected 17/12/2026

Cut Tape

$1.59

$1.16

$1.06

$0.935

View

Reel

$0.793

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8574A

SMD/SMT

TSSOP-20

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

1 kV

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

PCF8574DGVR
Texas Instruments
1: $4.19
1,871In Stock

Mfr. Part No.
PCF8574DGVR

Mouser Part No
595-PCF8574DGVR

Texas Instruments

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

Datasheet

1,871In Stock

Cut Tape

$4.19

$3.16

$2.90

$2.62

$2.53

Reel

$2.14

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8574

SMD/SMT

TVSOP-20

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

1 kV

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

PCF8574RGYR
Texas Instruments
1: $2.23
1,421In Stock

Mfr. Part No.
PCF8574RGYR

Mouser Part No
595-PCF8574RGYR

Texas Instruments

Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus

Datasheet

1,421In Stock

Cut Tape

$2.23

$1.66

$1.51

$1.35

Reel

$1.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PCF8574

SMD/SMT

VQFN-20

I2C, Serial

8 I/O

With Interrupt

2.5 V

6 V

100 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

1 kV

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

PCF8575DGVR
Texas Instruments
1: $5.00
809In Stock

Mfr. Part No.
PCF8575DGVR

Mouser Part No
595-PCF8575DGVR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

Datasheet

809In Stock

Cut Tape

$5.00

$4.96

$4.59

$4.25

$3.81

Reel

$3.46

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8575

SMD/SMT

TVSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW

PCF8575DWR
Texas Instruments
1: $3.13
1,068In Stock
4,000Expected 15/10/2026

Mfr. Part No.
PCF8575DWR

Mouser Part No
595-PCF8575DWR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW

Datasheet

1,068In Stock

4,000Expected 15/10/2026

Cut Tape

$3.13

$2.35

$2.15

$1.94

Reel

$1.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8575

SMD/SMT

SOIC-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A ALT 595-PCF8575PWR

PCF8575PWRE4
Texas Instruments
1: $2.60
2,262In Stock

Mfr. Part No.
PCF8575PWRE4

Mouser Part No
595-PCF8575PWRE4

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A ALT 595-PCF8575PWR

Datasheet

Product Comments

2,262In Stock

Cut Tape

$2.60

$1.93

$1.76

$1.58

Reel

$1.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PCF8575

SMD/SMT

TSSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

PCF8575RGER
Texas Instruments
1: $3.13
4,348In Stock

Mfr. Part No.
PCF8575RGER

Mouser Part No
595-PCF8575RGER

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander

Datasheet

4,348In Stock

Cut Tape

$3.13

$2.35

$2.15

$1.94

Reel

$1.69

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PCF8575

SMD/SMT

VQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.5 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

2.5 V Interface - I/O Expanders

Customer Service Office

Company

Resources

Support

HVQFN-16
PDIP-16
SOIC-16
SOIC-24
SOIC-Narrow-16
SOIC-Wide-16
SSOP-16
SSOP-24
SSOP-28
SSOP-36
TQFN-24
TQFN-40
TQFN-EP-40
TSSOP-16
TSSOP-20
TSSOP-24
TVSOP-16
TVSOP-20
TVSOP-24
VQFN-16