.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: 640

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 Interface IO Expander TSSOP-24 T&R 3K

PI4IOE5V6416ALEX
Diodes Incorporated
1: £1.48
1,579In Stock

Mfr. Part No.
PI4IOE5V6416ALEX

Mouser Part No
621-PI4IOE5V6416ALEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K

Learn More

1,579In Stock

Cut Tape

£1.48

£1.08

£0.952

£0.871

View

Reel

£0.723

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

TSSOP-24

I2C, Serial

16 I/O

With Interrupt

1.65 V

5.5 V

1 MHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

MCP23017T-E/ML
Microchip Technology
1: £1.42
23,342In Stock

Mfr. Part No.
MCP23017T-E/ML

Mouser Part No
579-MCP23017T-E/ML

Microchip Technology

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

Learn More

Datasheet

23,342In Stock

Cut Tape

£1.42

£1.20

£1.15

£1.08

Reel

£1.08

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

MCP23017

SMD/SMT

QFN-28

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

MCP23017T-E/SS
Microchip Technology
1: £1.27
56,019In Stock

Mfr. Part No.
MCP23017T-E/SS

Mouser Part No
579-MCP23017T-E/SS

Microchip Technology

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

Learn More

Datasheet

56,019In Stock

Cut Tape

£1.27

£1.05

£1.03

£0.96

Reel

£0.96

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

MCP23017

SMD/SMT

SSOP-28

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

MCP23017-E/SO
Microchip Technology
1: £1.21
39,276In Stock

Mfr. Part No.
MCP23017-E/SO

Mouser Part No
579-MCP23017-E/SO

Microchip Technology

Interface - I/O Expanders 16bit Input/Output Exp I2C interface

Learn More

Datasheet

39,276In Stock

£1.21

£1.01

£0.934

Min.: 1
Mult.: 1

MCP23017

SMD/SMT

SOIC-28

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Tube

4 kV

Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K

PI4IOE5V6416AQ2LEX
Diodes Incorporated
1: £1.90
2,901In Stock

Mfr. Part No.
PI4IOE5V6416AQ2LEX

Mouser Part No
621-PI4IOE5V6416AQ2L

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K

Datasheet

2,901In Stock

Cut Tape

£1.90

£1.41

£1.28

£1.15

View

Reel

£0.978

Min.: 1
Mult.: 1

: 3,000

SMD/SMT

TSSOP-24

Reel, Cut Tape

Interface - I/O Expanders Interface IO Expander

PI4IOE5V6416ZDEX
Diodes Incorporated
1: £1.04
25,076In Stock
21,000Expected 26/05/2027

Mfr. Part No.
PI4IOE5V6416ZDEX

Mouser Part No
729-PI4IOE5V6416ZDEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander

Learn More

Datasheet

25,076In Stock

21,000Expected 26/05/2027

Cut Tape

£1.04

£0.849

£0.679

£0.60

View

Reel

£0.507

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,500

: 3,500

PIO4IO

SMD/SMT

TQFN-24

I2C, Serial

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 Interface IO Expander W-QFN5050-32 T&R 2.5K

PI4IOE5V6524ZHEX
Diodes Incorporated
1: £1.62
5,217In Stock

Mfr. Part No.
PI4IOE5V6524ZHEX

Mouser Part No
621-PI4IOE5V6524ZHEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K

Learn More

5,217In Stock

Cut Tape

£1.62

£1.20

£1.08

£0.978

£0.917

Reel

£0.917

MouseReel Available

Min.: 1
Mult.: 1
Max.: 320

: 2,500

SMD/SMT

WQFN5050-32

I2C, Serial

24 I/O

With Interrupt

1.65 V

5.5 V

1 MHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Interface IO Expander V-QFN4040-24 T&R 3.5K

PI4IOE5V6416AZDEX
Diodes Incorporated
1: £1.04
4,223In Stock

Mfr. Part No.
PI4IOE5V6416AZDEX

Mouser Part No
621-PI4IOE5V6416AZDE

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander V-QFN4040-24 T&R 3.5K

Learn More

4,223In Stock

Cut Tape

£1.04

£0.751

£0.679

£0.601

Reel

£0.562

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

SMD/SMT

TQFN-24

I2C, Serial

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 Interface IO Expander W-QFN4565-46 T&R 3.5K

PI4IOE5V6534Q2ZLWEX
Diodes Incorporated
1: £2.69
10,660In Stock

Mfr. Part No.
PI4IOE5V6534Q2ZLWEX

Mouser Part No
621-PI4IO565342ZLWEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K

Learn More

Datasheet

10,660In Stock

Cut Tape

£2.69

£2.01

£1.83

£1.64

£1.55

Reel

£1.55

MouseReel Available

Min.: 1
Mult.: 1
Max.: 400

: 3,500

PI4IOE5V6534Q

SMD/SMT

TQFN-46

I2C, Serial

28 I/O

With Interrupt

1.65 V

5.5 V

100 kHz

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 8bit Input/Output Exp SPI interface

MCP23S08T-E/ML
Microchip Technology
1: £1.24
3,420In Stock

Mfr. Part No.
MCP23S08T-E/ML

Mouser Part No
579-MCP23S08T-E/ML

Microchip Technology

Interface - I/O Expanders 8bit Input/Output Exp SPI interface

Datasheet

3,420In Stock

Cut Tape

£1.24

£1.22

£1.16

£1.15

Reel

£1.04

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

QFN-20

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 8-bit I/O Expander I2C interface

MCP23009T-E/SS
Microchip Technology
1: £1.22
1,575In Stock

Mfr. Part No.
MCP23009T-E/SS

Mouser Part No
579-MCP23009T-E/SS

Microchip Technology

Interface - I/O Expanders 8-bit I/O Expander I2C interface

Datasheet

1,575In Stock

Cut Tape

£1.22

£1.03

£0.917

Reel

£0.917

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

SSOP-20

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 8-bit I/O Expander SPI interface

MCP23S09T-E/SO
Microchip Technology
1: £1.27
1,086In Stock

Mfr. Part No.
MCP23S09T-E/SO

Mouser Part No
579-MCP23S09T-E/SO

Microchip Technology

Interface - I/O Expanders 8-bit I/O Expander SPI interface

Datasheet

1,086In Stock

Cut Tape

£1.27

Reel

£1.27

MouseReel Available

Min.: 1
Mult.: 1

: 1,100

SMD/SMT

SOIC-18

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 8bit Input/Output Exp SPI interface

MCP23S08-E/ML
Microchip Technology
1: £1.24
5,713In Stock

Mfr. Part No.
MCP23S08-E/ML

Mouser Part No
579-MCP23S08-E/ML

Microchip Technology

Interface - I/O Expanders 8bit Input/Output Exp SPI interface

Datasheet

5,713In Stock

£1.24

£1.04

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 8B I/O Expander SPI interface

MCP23S09T-E/MG
Microchip Technology
1: £1.27
2,697In Stock

Mfr. Part No.
MCP23S09T-E/MG

Mouser Part No
579-MCP23S09T-E/MG

Microchip Technology

Interface - I/O Expanders 8B I/O Expander SPI interface

Datasheet

Product Comments

2,697In Stock

Cut Tape

£1.27

£1.07

£1.05

Reel

£0.969

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

QFN-16

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 8B I/O Expander SPI interface

MCP23S09-E/MG
Microchip Technology
1: £1.27
9,595In Stock

Mfr. Part No.
MCP23S09-E/MG

Mouser Part No
579-MCP23S09-E/MG

Microchip Technology

Interface - I/O Expanders 8B I/O Expander SPI interface

Datasheet

Product Comments

9,595In Stock

£1.27

£1.07

£0.969

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

4 kV

Interface - I/O Expanders 8-bit I/O Expander I2C interface

MCP23009-E/SS
Microchip Technology
1: £1.14
3,362In Stock

Mfr. Part No.
MCP23009-E/SS

Mouser Part No
579-MCP23009-E/SS

Microchip Technology

Interface - I/O Expanders 8-bit I/O Expander I2C interface

Datasheet

3,362In Stock

£1.14

£0.952

£0.863

Min.: 1
Mult.: 1

SMD/SMT

SSOP-20

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Tube

4 kV

Interface - I/O Expanders 8B I/O Expander SPI interface

MCP23009T-E/MG
Microchip Technology
1: £1.22
5,394In Stock

Mfr. Part No.
MCP23009T-E/MG

Mouser Part No
579-MCP23009T-E/MG

Microchip Technology

Interface - I/O Expanders 8B I/O Expander SPI interface

Datasheet

Product Comments

5,394In Stock

Cut Tape

£1.22

£1.02

£1.00

Reel

£0.943

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

QFN-16

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu

TCA9539AQPWRQ1
Texas Instruments
1: £1.87
2,715In Stock
3,000Expected 01/10/2026
New Product

Mfr. Part No.
TCA9539AQPWRQ1

Mouser Part No
595-TCA9539AQPWRQ1

New Product

Texas Instruments

Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu

Learn More

Datasheet

2,715In Stock

3,000Expected 01/10/2026

Cut Tape

£1.87

£1.39

£1.27

£1.13

View

Reel

£1.05

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,001

: 3,000

SMD/SMT

TSSOP-24

I2C

17 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Interface - I/O Expanders In/Out SPI int

MCP23S08-E/P
Microchip Technology
1: £1.20
1,078In Stock

Mfr. Part No.
MCP23S08-E/P

Mouser Part No
579-MCP23S08-E/P

Microchip Technology

Interface - I/O Expanders In/Out SPI int

Datasheet

1,078In Stock

£1.20

£1.01

£0.995

Min.: 1
Mult.: 1

Through Hole

PDIP-18

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu

TCA9539BQPWRQ1
Texas Instruments
1: £1.83
2,441In Stock
New Product

Mfr. Part No.
TCA9539BQPWRQ1

Mouser Part No
595-TCA9539BQPWRQ1

New Product

Texas Instruments

Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu

Learn More

Datasheet

2,441In Stock

£1.83

£1.36

£1.25

£1.11

View

Min.: 1
Mult.: 1
Max.: 1,001

SMD/SMT

TSSOP-24

I2C

17 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 125 C

Interface - I/O Expanders 16-bit I/O Expander I2C interface

MCP23018T-E/SS
Microchip Technology
1: £1.68
4,835In Stock

Mfr. Part No.
MCP23018T-E/SS

Mouser Part No
579-MCP23018T-E/SS

Microchip Technology

Interface - I/O Expanders 16-bit I/O Expander I2C interface

Datasheet

4,835In Stock

Cut Tape

£1.68

£1.42

£1.27

Reel

£1.27

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

SSOP-24

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders In/Out I2C int

MCP23008T-E/SS
Microchip Technology
1: £1.12
6,078In Stock

Mfr. Part No.
MCP23008T-E/SS

Mouser Part No
579-MCP23008T-E/SS

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

6,078In Stock

Cut Tape

£1.12

Reel

£1.12

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

SSOP-20

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 16bit Input/Output Exp SPI interface

MCP23S17-E/ML
Microchip Technology
1: £1.53
5,002In Stock
9,760Expected 01/02/2027

Mfr. Part No.
MCP23S17-E/ML

Mouser Part No
579-MCP23S17-E/ML

Microchip Technology

Interface - I/O Expanders 16bit Input/Output Exp SPI interface

Learn More

Datasheet

5,002In Stock

9,760Expected 01/02/2027

£1.53

Min.: 1
Mult.: 1

MCP23S17

SMD/SMT

QFN-28

Serial, SPI

16 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

4 kV

Interface - I/O Expanders 16B I/O Expander I2C interface

MCP23018T-E/MJ
Microchip Technology
1: £1.53
6,088In Stock

Mfr. Part No.
MCP23018T-E/MJ

Mouser Part No
579-MCP23018T-E/MJ

Microchip Technology

Interface - I/O Expanders 16B I/O Expander I2C interface

Datasheet

6,088In Stock

Cut Tape

£1.53

£1.27

£1.22

Reel

£1.15

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

QFN-24

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders In/Out SPI int

MCP23S08T-E/SS
Microchip Technology
1: £1.16
10,946In Stock

Mfr. Part No.
MCP23S08T-E/SS

Mouser Part No
579-MCP23S08T-E/SS

Microchip Technology

Interface - I/O Expanders In/Out SPI int

Datasheet

10,946In Stock

Cut Tape

£1.16

£0.969

£0.925

£0.871

Reel

£0.871

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

SSOP-20

Serial, SPI

8 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

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