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

CA Interface - I/O Expanders

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

Results: 607

Applied Filters:

Manufacturer

Series

Mounting Style

Package / Case

Interface Type

Number of I/Os

Interrupt Output

Supply Voltage - Min

Supply Voltage - Max

Maximum Clock Frequency

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

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 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT

TCA9555DBR
Texas Instruments
1: $2.45
122In Stock
2,000Expected 2026-03-09

Mfr. Part #
TCA9555DBR

Mouser Part #
595-TCA9555DBR

Texas Instruments

Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT

Learn More

Datasheet

122In Stock

2,000Expected 2026-03-09

Cut Tape

$2.45

$1.77

$1.61

$1.43

Reel

$1.25

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

TCA9555

SMD/SMT

SSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9555DBR

TCA9555DBT
Texas Instruments
1: $3.29
478In Stock

Mfr. Part #
TCA9555DBT

Mouser Part #
595-TCA9555DBT

Texas Instruments

Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9555DBR

Learn More

Datasheet

478In Stock

Cut Tape

$3.29

$2.43

$2.23

$1.98

Reel

$1.58

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

TCA9555

SMD/SMT

SSOP-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

Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus

DS4520E+
Analog Devices / Maxim Integrated
1: $12.66
360In Stock

Mfr. Part #
DS4520E+

Mouser Part #
700-DS4520E

Analog Devices / Maxim Integrated

Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus

Learn More

Datasheet

360In Stock

$12.66

$8.85

$8.43

$7.33

View

Min.: 1
Mult.: 1

DS4520E

SMD/SMT

TSSOP-16

I2C, Serial

9 I/O

Without Interrupt

2.7 V

5.5 V

400 kHz

- 40 C

+ 85 C

Tube

Without ESD Protection

Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan

DS4550E+
Analog Devices / Maxim Integrated
1: $15.52
207In Stock

Mfr. Part #
DS4550E+

Mouser Part #
700-DS4550E

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan

Datasheet

207In Stock

$15.52

$11.63

$11.08

$9.63

View

Min.: 1
Mult.: 1

DS4550E

SMD/SMT

TSSOP-20

I2C, Serial

9 I/O

Without Interrupt

2.7 V

5.5 V

400 kHz

- 40 C

+ 85 C

Tube

Without ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

MAX7310AEE+
Analog Devices / Maxim Integrated
1: $14.46
58In Stock

Mfr. Part #
MAX7310AEE+

Mouser Part #
700-MAX7310AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

Datasheet

58In Stock

$14.46

$10.83

$10.34

$8.97

View

Min.: 1
Mult.: 1

MAX7310

SMD/SMT

QSOP-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

With ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

MAX7310ATE+
Analog Devices / Maxim Integrated
1: $14.46
147In Stock

Mfr. Part #
MAX7310ATE+

Mouser Part #
700-MAX7310ATE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

Datasheet

147In Stock

$14.46

$10.83

$10.34

$8.97

View

Min.: 1
Mult.: 1

MAX7310

SMD/SMT

TQFN-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

With ESD Protection

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

MAX7310AUE+
Analog Devices / Maxim Integrated
1: $14.46
120In Stock

Mfr. Part #
MAX7310AUE+

Mouser Part #
700-MAX7310AUE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande

Datasheet

120In Stock

$14.46

$10.83

$10.34

$8.97

View

Min.: 1
Mult.: 1

MAX7310

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

Without Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

With ESD Protection

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

MAX7312AAG+
Analog Devices / Maxim Integrated
1: $15.45
225In Stock

Mfr. Part #
MAX7312AAG+

Mouser Part #
700-MAX7312AAG

Analog Devices / Maxim Integrated

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

Datasheet

225In Stock

$15.45

$11.94

$11.38

$9.89

View

Min.: 1
Mult.: 1

MAX7312

SMD/SMT

SSOP-24

I2C, Serial

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MAX7312AWG+
Analog Devices / Maxim Integrated
1: $15.45
112In Stock

Mfr. Part #
MAX7312AWG+

Mouser Part #
700-MAX7312AWG

Analog Devices / Maxim Integrated

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

Datasheet

112In Stock

$15.45

$11.94

$11.38

$9.89

View

Min.: 1
Mult.: 1

MAX7312

SMD/SMT

SOIC-24

I2C, Serial

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MAX7312AWG+T
Analog Devices / Maxim Integrated
1: $15.45
20In Stock

Mfr. Part #
MAX7312AWG+T

Mouser Part #
700-MAX7312AWGT

Analog Devices / Maxim Integrated

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

Datasheet

20In Stock

Cut Tape

$15.45

$11.94

$11.38

$9.89

Reel

$7.58

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

MAX7312

SMD/SMT

SOIC-Wide-24

I2C, Serial

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 16-Port I/O Expander with LED Intensity

MAX7313ATG+
Analog Devices / Maxim Integrated
1: $16.10
213In Stock

Mfr. Part #
MAX7313ATG+

Mouser Part #
700-MAX7313ATG

Analog Devices / Maxim Integrated

Interface - I/O Expanders 16-Port I/O Expander with LED Intensity

Datasheet

213In Stock

$16.10

$12.45

$11.87

$10.31

View

Min.: 1
Mult.: 1

MAX7313

SMD/SMT

TQFN-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2 V

3.6 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,

MAX7314AEG+
Analog Devices / Maxim Integrated
1: $16.66
80In Stock

Mfr. Part #
MAX7314AEG+

Mouser Part #
700-MAX7314AEG

Analog Devices / Maxim Integrated

Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,

Datasheet

80In Stock

$16.66

$12.88

$12.28

$10.66

View

Min.: 1
Mult.: 1

MAX7314

SMD/SMT

QSOP-24

I2C, Serial

18 I/O

With Interrupt

2 V

3.6 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C

MAX7315AEE+
Analog Devices / Maxim Integrated
1: $12.09
269In Stock

Mfr. Part #
MAX7315AEE+

Mouser Part #
700-MAX7315AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C

Datasheet

269In Stock

$12.09

$9.27

$8.63

$7.60

View

Min.: 1
Mult.: 1

MAX7315

SMD/SMT

QSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

2 V

3.6 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C

MAX7315AUE+
Analog Devices / Maxim Integrated
1: $12.66
190In Stock

Mfr. Part #
MAX7315AUE+

Mouser Part #
700-MAX7315AUE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C

Datasheet

190In Stock

$12.66

$8.85

$8.43

$7.33

View

Min.: 1
Mult.: 1

MAX7315

SMD/SMT

TSSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

2 V

3.6 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with

MAX7317ATE+
Analog Devices / Maxim Integrated
1: $13.75
249In Stock

Mfr. Part #
MAX7317ATE+

Mouser Part #
700-MAX7317ATE

Analog Devices / Maxim Integrated

Interface - I/O Expanders 10-Port SPI-Interfaced I/O Expander with

Learn More

Datasheet

249In Stock

$13.75

$9.78

$9.32

$8.09

View

Min.: 1
Mult.: 1

MAX7317

SMD/SMT

TQFN-16

Serial, SPI

10 I/O

Without Interrupt

2.25 V

3.6 V

26 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MAX7318AAG+
Analog Devices / Maxim Integrated
1: $15.24
135In Stock

Mfr. Part #
MAX7318AAG+

Mouser Part #
700-MAX7318AAG

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

135In Stock

$15.24

$11.76

$11.22

$9.75

View

Min.: 1
Mult.: 1

MAX7318

SMD/SMT

SSOP-24

I2C, Serial

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MAX7318AWG+
Analog Devices / Maxim Integrated
1: $15.24
111In Stock

Mfr. Part #
MAX7318AWG+

Mouser Part #
700-MAX7318AWG+

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

111In Stock

$15.24

$11.76

$11.22

$9.75

View

Min.: 1
Mult.: 1

MAX7318

SMD/SMT

SOIC-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with Eight Inputs and

MAX7319AEE+
Analog Devices / Maxim Integrated
1: $13.16
164In Stock

Mfr. Part #
MAX7319AEE+

Mouser Part #
700-MAX7319AEE+

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with Eight Inputs and

Datasheet

164In Stock

$13.16

$9.19

$8.76

$7.61

View

Min.: 1
Mult.: 1

MAX7319

SMD/SMT

QSOP-16

I2C, Serial

8 I/O

With Interrupt

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with Eight Push-Pull O

MAX7320AEE+
Analog Devices / Maxim Integrated
1: $8.88
257In Stock
300Expected 2026-03-03

Mfr. Part #
MAX7320AEE+

Mouser Part #
700-MAX7320AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with Eight Push-Pull O

Datasheet

257In Stock

300Expected 2026-03-03

$8.88

$6.18

$5.77

$5.07

View

Min.: 1
Mult.: 1

MAX7320

SMD/SMT

QSOP-16

I2C, Serial

8 I/O

Without Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with Eight Push-Pull O

MAX7320ATE+
Analog Devices / Maxim Integrated
1: $12.18
177In Stock

Mfr. Part #
MAX7320ATE+

Mouser Part #
700-MAX7320ATE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with Eight Push-Pull O

Datasheet

177In Stock

$12.18

$9.35

$8.70

$7.66

View

Min.: 1
Mult.: 1

MAX7320

SMD/SMT

TQFN-16

I2C, Serial

8 I/O

Without Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os

MAX7321AEE+
Analog Devices / Maxim Integrated
1: $12.18
313In Stock

Mfr. Part #
MAX7321AEE+

Mouser Part #
700-MAX7321AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os

Datasheet

313In Stock

$12.18

$9.35

$8.70

$7.66

View

Min.: 1
Mult.: 1

MAX7321

SMD/SMT

QSOP-16

I2C, Serial

8 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os

MAX7321ATE+
Analog Devices / Maxim Integrated
1: $8.77
142In Stock

Mfr. Part #
MAX7321ATE+

Mouser Part #
700-MAX7321ATE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os

Datasheet

142In Stock

$8.77

$6.11

$5.69

$5.01

View

Min.: 1
Mult.: 1

MAX7321

SMD/SMT

TQFN-16

I2C, Serial

8 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu

MAX7322AEE+
Analog Devices / Maxim Integrated
1: $14.43
78In Stock

Mfr. Part #
MAX7322AEE+

Mouser Part #
700-MAX7322AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu

Datasheet

78In Stock

$14.43

$10.26

$9.78

$8.49

View

Min.: 1
Mult.: 1

MAX7322

SMD/SMT

QSOP-16

I2C, Serial

4 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os

MAX7323AEE+
Analog Devices / Maxim Integrated
1: $12.09
170In Stock

Mfr. Part #
MAX7323AEE+

Mouser Part #
700-MAX7323AEE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os

Datasheet

170In Stock

$12.09

$9.27

$8.63

$7.60

View

Min.: 1
Mult.: 1

MAX7323

SMD/SMT

QSOP-16

I2C, Serial

4 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os

MAX7323ATE+
Analog Devices / Maxim Integrated
1: $12.09
395In Stock

Mfr. Part #
MAX7323ATE+

Mouser Part #
700-MAX7323ATE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os

Datasheet

395In Stock

$12.09

$9.27

$8.63

$7.60

View

Min.: 1
Mult.: 1

MAX7323

SMD/SMT

TQFN-EP-16

I2C, Serial

4 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

CA Interface - I/O Expanders

Mouser Electronics®

Company

Resources

Support

82C55
82C55A
82C59A
ADP5585
ADP5586
ADP5587
ADP5588
ADP5589
AFIO16
APIO16
CAT9555
CMQ82C55A
CMS82C55A
CP82C55A
CQ82C55A
CY8C95xx
DS2408S
DS4520E
DS4550E
FXL6408

CDIP-40
CSBGA-25
CSBGA-36
CSBGA-49
DSBGA-16
DSBGA-25
FBGA-896
FO-WLP55-25
FO-WLP66-36
HUQFN-32
HVQFN-16
HVQFN-24
HVQFN-32
HVSON-8
HWQFN-24
LFCSP-16
LFCSP-24
MQFP-44
MSOP-10
MSOP-8

800 mV
1.08 V
1.1 V
1.2 V
1.62 V
1.65 V
1.7 V
1.71 V
1.8 V
2 V
2.25 V
2.3 V
2.4 V
2.5 V
2.7 V
2.75 V
2.8 V
3 V
3.3 V
4.5 V