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

Interface IC's Interface - I/O Expanders

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

Results: 670

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

MAX7311ATG+
Analog Devices / Maxim Integrated
1: Rp190.065
615In Stock

Mfr. Part No.
MAX7311ATG+

Mouser Part No
700-MAX7311ATG

Analog Devices / Maxim Integrated

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

Datasheet

615In Stock

Rp190.065

Rp148.419

Rp128.605

Rp123.836

Rp119.983

Min.: 1
Mult.: 1
Max.: 625

MAX7311

SMD/SMT

TQFN-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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT

TCA9534ADWR
Texas Instruments
1: Rp31.555
4.800In Stock

Mfr. Part No.
TCA9534ADWR

Mouser Part No
595-TCA9534ADWR

Texas Instruments

Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT

Datasheet

4.800In Stock

Cut Tape

Rp31.555

Rp23.299

Rp21.098

Rp18.896

Reel

Rp15.814

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

TCA9534A

SMD/SMT

SOIC-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 10-Port SPI-Interfaced I/O Expander with

MAX7317ATE+T
Analog Devices / Maxim Integrated
1: Rp125.303
578In Stock
2.500Expected 03/09/2026

Mfr. Part No.
MAX7317ATE+T

Mouser Part No
700-MAX7317ATET

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

578In Stock

2.500Expected 03/09/2026

Cut Tape

Rp125.303

Rp95.950

Rp88.795

Rp80.722

View

Reel

Rp71.916

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3.078

: 2.500

MAX7317

SMD/SMT

TQFN-16

Serial, SPI

10 I/O

Without Interrupt

2.25 V

3.6 V

26 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB

PCA9534ADBR
Texas Instruments
1: Rp73.384
403In Stock

Mfr. Part No.
PCA9534ADBR

Mouser Part No
595-PCA9534ADBR

Texas Instruments

Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB

Datasheet

403In Stock

Cut Tape

Rp73.384

Rp55.405

Rp50.818

Rp45.865

View

Reel

Rp40.361

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

PCA9534A

SMD/SMT

SSOP-16

I2C, Serial, SMBus

8 I/O

With Interrupt

2.3 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-PCF8575DB

PCF8575DBR
Texas Instruments
1: Rp67.697
217In Stock
4.000Expected 26/08/2026

Mfr. Part No.
PCF8575DBR

Mouser Part No
595-PCF8575DBR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB

Datasheet

217In Stock

4.000Expected 26/08/2026

Cut Tape

Rp67.697

Rp51.002

Rp46.782

Rp42.196

Reel

Rp36.325

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

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 16-bit low-voltage I C-bus and SMBus I/O

TCAL9539PWR
Texas Instruments
1: Rp39.444
630In Stock
3.000Expected 24/09/2026

Mfr. Part No.
TCAL9539PWR

Mouser Part No
595-TCAL9539PWR

Texas Instruments

Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O

Learn More

Datasheet

630In Stock

3.000Expected 24/09/2026

Cut Tape

Rp39.444

Rp29.170

Rp26.602

Rp23.850

Reel

Rp19.814

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

TCAL9539

SMD/SMT

TSSOP-24

I2C, Serial

16 I/O

With Interrupt

1.08 V

3.6 V

1 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders Mobile I/O Companion Key-Scan

LM8333FLQ8Y/NOPB
Texas Instruments
1: Rp93.014
213In Stock

Mfr. Part No.
LM8333FLQ8Y/NOPB

Mouser Part No
926-LM8333FLQ8Y/NOPB

Texas Instruments

Interface - I/O Expanders Mobile I/O Companion Key-Scan

Datasheet

213In Stock

Cut Tape

Rp93.014

Rp70.816

Rp67.697

Rp61.276

Reel

Rp54.855

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

LM8333

SMD/SMT

WQFN-32

I2C, Serial

4 I/O

With Interrupt

2.25 V

2.9 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8 kV

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

TCA9538PWR
Texas Instruments
1: Rp37.242
9.503On Order

Mfr. Part No.
TCA9538PWR

Mouser Part No
595-TCA9538PWR

Texas Instruments

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

Datasheet

9.503On Order

Cut Tape

Rp37.242

Rp27.519

Rp24.951

Rp22.382

View

Reel

Rp20.364

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1.001

: 2.000

TCA9538

SMD/SMT

TSSOP-16

I2C, Serial

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 I C Port Expander with 8 Open-Drain I/Os

MAX7321AEE+
Analog Devices / Maxim Integrated
1: Rp110.993
388In Stock

Mfr. Part No.
MAX7321AEE+

Mouser Part No
700-MAX7321AEE

Analog Devices / Maxim Integrated

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

Datasheet

388In Stock

Rp110.993

Rp84.759

Rp78.154

Rp70.816

Rp67.146

Min.: 1
Mult.: 1
Max.: 388

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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package

PCA6408ABSHP
NXP Semiconductors
1: Rp25.501
1.608In Stock
6.000Expected 14/10/2026

Mfr. Part No.
PCA6408ABSHP

Mouser Part No
771-PCA6408ABSHP

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package

Learn More

Datasheet

1.608In Stock

6.000Expected 14/10/2026

Cut Tape

Rp25.501

Rp18.529

Rp16.768

Rp14.860

View

Reel

Rp12.072

MouseReel Available

Min.: 1
Mult.: 1

: 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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package

PCA6408AHKX
NXP Semiconductors
1: Rp22.382
8In Stock
132.000On Order

Mfr. Part No.
PCA6408AHKX

Mouser Part No
771-PCA6408AHKX

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package

Learn More

Datasheet

8In Stock

132.000On Order

Cut Tape

Rp22.382

Rp16.181

Rp14.640

Rp12.952

View

Reel

Rp10.549

MouseReel Available

Min.: 1
Mult.: 1

: 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 Column Keypad Scanner & GPIO Port Expand

ADP5587ACPZ-R7
Analog Devices
1: Rp72.650
65In Stock
1.500Expected 25/02/2027

Mfr. Part No.
ADP5587ACPZ-R7

Mouser Part No
584-ADP5587ACPZ-R7

Analog Devices

Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand

Datasheet

65In Stock

1.500Expected 25/02/2027

Cut Tape

Rp72.650

Rp54.121

Rp49.534

Rp44.397

View

Reel

Rp39.077

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1.614

: 1.500

ADP5587

SMD/SMT

LFCSP-24

I2C, Serial

18 I/O

With Interrupt

1.65 V

3.6 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW

PCF8575PWR
Texas Instruments
1: Rp48.250
106In Stock
10.000Expected 08/10/2026

Mfr. Part No.
PCF8575PWR

Mouser Part No
595-PCF8575PWR

Texas Instruments

Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW

Datasheet

106In Stock

10.000Expected 08/10/2026

Cut Tape

Rp48.250

Rp35.958

Rp32.839

Rp29.354

Reel

Rp25.317

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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWT

TCA9534DWR
Texas Instruments
1: Rp28.069
3.088In Stock

Mfr. Part No.
TCA9534DWR

Mouser Part No
595-TCA9534DWR

Texas Instruments

Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWT

Datasheet

3.088In Stock

Cut Tape

Rp28.069

Rp20.548

Rp18.713

Rp16.456

Reel

Rp13.760

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

TCA9534

SMD/SMT

SOIC-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 & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR

PCA9535DW
Texas Instruments
1: Rp97.601
86In Stock

Mfr. Part No.
PCA9535DW

Mouser Part No
595-PCA9535DW

Texas Instruments

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR

Datasheet

86In Stock

Rp97.601

Rp76.503

Rp64.945

Rp62.009

View

Min.: 1
Mult.: 1

PCA9535

SMD/SMT

SOIC-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 85 C

Tube

2 kV

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

MAX7321ATE+
Analog Devices / Maxim Integrated
1: Rp76.136
332In Stock

Mfr. Part No.
MAX7321ATE+

Mouser Part No
700-MAX7321ATE

Analog Devices / Maxim Integrated

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

Datasheet

332In Stock

Rp76.136

Rp57.606

Rp53.020

Rp47.700

Rp44.948

Min.: 1
Mult.: 1
Max.: 332

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 Expanders with Eight I/O Ports

MAX7329AWE+
Analog Devices / Maxim Integrated
1: Rp79.071
65In Stock

Mfr. Part No.
MAX7329AWE+

Mouser Part No
700-MAX7329AWE

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expanders with Eight I/O Ports

Datasheet

65In Stock

Rp79.071

Rp59.991

Rp52.653

Rp49.901

Min.: 1
Mult.: 1
Max.: 165

MAX7329

SMD/SMT

SOIC-16

I2C, Serial

8 I/O

With Interrupt

2.5 V

5.5 V

100 kHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander

PCA9554ARGVR
Texas Instruments
1: Rp52.470
95In Stock
2.500Expected 03/09/2026

Mfr. Part No.
PCA9554ARGVR

Mouser Part No
595-PCA9554ARGVR

Texas Instruments

Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander

Learn More

Datasheet

95In Stock

2.500Expected 03/09/2026

Cut Tape

Rp52.470

Rp39.260

Rp35.958

Rp32.289

Reel

Rp27.519

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

PCA9554A

SMD/SMT

VQFN-16

I2C, Serial, SMBus

8 I/O

With Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

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

MAX7313ATG+
Analog Devices / Maxim Integrated
1: Rp161.078
2In Stock

Mfr. Part No.
MAX7313ATG+

Mouser Part No
700-MAX7313ATG

Analog Devices / Maxim Integrated

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

Datasheet

2In Stock

Rp161.078

Min.: 1
Mult.: 1
Max.: 2

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 I C Port Expander with 8 Push-Pull and 8

MAX7325AEG+
Analog Devices / Maxim Integrated
1: Rp119.066
129In Stock

Mfr. Part No.
MAX7325AEG+

Mouser Part No
700-MAX7325AEG

Analog Devices / Maxim Integrated

Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8

Datasheet

129In Stock

Rp119.066

Rp91.363

Rp81.273

Rp76.686

Min.: 1
Mult.: 1
Max.: 129

MAX7325

SMD/SMT

QSOP-24

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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT

TCA9554DWR
Texas Instruments
1: Rp30.638
1.969In Stock

Mfr. Part No.
TCA9554DWR

Mouser Part No
595-TCA9554DWR

Texas Instruments

Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT

Learn More

Datasheet

1.969In Stock

Cut Tape

Rp30.638

Rp22.382

Rp20.364

Rp18.089

Reel

Rp15.209

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

TCA9554

SMD/SMT

SOIC-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 & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

PCA9539DB
Texas Instruments
1: Rp90.262
70In Stock

Mfr. Part No.
PCA9539DB

Mouser Part No
595-PCA9539DB

Texas Instruments

Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR

Datasheet

70In Stock

Rp90.262

Rp68.798

Rp63.477

Rp57.240

View

Min.: 1
Mult.: 1

PCA9539

SMD/SMT

SSOP-24

I2C, Serial, SMBus

16 I/O

With Interrupt

2.3 V

5.5 V

400 kHz

- 40 C

+ 85 C

Tube

2 kV

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

MAX7310ATE+
Analog Devices / Maxim Integrated
1: Rp140.530
43In Stock
150Expected 23/09/2026

Mfr. Part No.
MAX7310ATE+

Mouser Part No
700-MAX7310ATE

Analog Devices / Maxim Integrated

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

Datasheet

43In Stock

150Expected 23/09/2026

Rp140.530

Rp108.425

Rp100.353

Rp90.629

Min.: 1
Mult.: 1
Max.: 193

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 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package

PCA9500PW,118
NXP Semiconductors
1: Rp51.185
821In Stock
2.500Expected 24/08/2026

Mfr. Part No.
PCA9500PW,118

Mouser Part No
771-PCA9500PW-T

NXP Semiconductors

Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package

Datasheet

821In Stock

2.500Expected 24/08/2026

Cut Tape

Rp51.185

Rp38.527

Rp35.041

Rp33.206

Reel

Rp28.803

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

PCA9500

SMD/SMT

TSSOP-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 16B I2C & SMB us I/O Expander

TCA9555PWR
Texas Instruments
1: Rp31.372
168In Stock
18.000Expected 22/09/2026

Mfr. Part No.
TCA9555PWR

Mouser Part No
595-TCA9555PWR

Texas Instruments

Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander

Learn More

Datasheet

168In Stock

18.000Expected 22/09/2026

Cut Tape

Rp31.372

Rp23.116

Rp20.914

Rp18.713

Reel

Rp15.686

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

TCA9555

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 IC's Interface - I/O Expanders

Customer Service Office

Company

Resources

Support

82C55
82C55A
82C59A
ADP5585
ADP5586
ADP5587
ADP5588
ADP5589
AFIO16
APIO16
CAT9555
CMP82C55A
CMQ82C55A
CMS82C55A
CP82C55A
CQ82C55A
CY8C95xx
DS2408S
DS4520E
DS4550E

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
1.6 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

100 kHz
100 kHz, 400 kHz
400 kHz
880 kHz
1 MHz
1 MHz, 25 MHz
1.7 MHz
2 MHz
3.4 MHz
4 MHz
5 MHz
5 MHz, 10 MHz
8 MHz
10 MHz
12 MHz
24 MHz
25 MHz
26 MHz
33 MHz
60 MHz