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Interface IC's Interface - I/O Expanders

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Part #

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

MCP23018T-E/MJ
Microchip Technology
1: $2.77
6,131In 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

6,131In Stock

Cut Tape

$2.77

Reel

$2.77

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 I2C int

MCP23008-E/SO
Microchip Technology
1: $1.86
8,592In Stock

Mfr. Part No.
MCP23008-E/SO

Mouser Part No
579-MCP23008-E/SO

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

8,592In Stock

$1.86

Min.: 1
Mult.: 1

SMD/SMT

SOIC-18

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders In/Out I2C int

MCP23008-E/SS
Microchip Technology
1: $2.03
9,235In Stock

Mfr. Part No.
MCP23008-E/SS

Mouser Part No
579-MCP23008-E/SS

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

9,235In Stock

$2.03

Min.: 1
Mult.: 1

SMD/SMT

SSOP-20

I2C, Serial

8 I/O

With Interrupt

1.8 V

5.5 V

1.7 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

Interface - I/O Expanders 16-bit I2C/SMBus I/O expander with inter

TCAL9539RPWR
Texas Instruments
1: $2.72
2,152In Stock
New Product

Mfr. Part No.
TCAL9539RPWR

Mouser Part No
595-TCAL9539RPWR

New Product

Texas Instruments

Interface - I/O Expanders 16-bit I2C/SMBus I/O expander with inter

Learn More

Datasheet

2,152In Stock

Cut Tape

$2.72

$2.01

$1.84

$1.63

View

Reel

$1.50

MouseReel Available

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

: 3,000

TCAL9539R

SMD/SMT

TSSOP-24

I2C

16 I/O

With Interrupt

1.08 V

3.6 V

1 MHz

+ 125 C

- 40 C

Reel, Cut Tape, MouseReel

2 kV

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

TCA9539BQPWRQ1
Texas Instruments
1: $3.21
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

$3.21

$2.39

$2.19

$1.96

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 Automotive 16-bit 1. 65 to 3.6V I2C/SMBu

TCA9539AQPWRQ1
Texas Instruments
1: $3.21
4,072In Stock
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

4,072In Stock

Cut Tape

$3.21

$2.39

$2.19

$1.96

View

Reel

$1.82

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 16B I/O Expander SPI interface

MCP23S18T-E/SO
Microchip Technology
1: $2.92
1,201In Stock

Mfr. Part No.
MCP23S18T-E/SO

Mouser Part No
579-MCP23S18T-E/SO

Microchip Technology

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

Datasheet

1,201In Stock

Cut Tape

$2.92

Reel

$2.92

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

SMD/SMT

SOIC-28

Serial, SPI

16 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 In/Out SPI int

MCP23S08-E/SS
Microchip Technology
1: $2.11
4,633In Stock
4,498Expected 12/8/2026

Mfr. Part No.
MCP23S08-E/SS

Mouser Part No
579-MCP23S08-E/SS

Microchip Technology

Interface - I/O Expanders In/Out SPI int

Datasheet

4,633In Stock

4,498Expected 12/8/2026

$2.11

Min.: 1
Mult.: 1

SMD/SMT

SSOP-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 16B I/O Expander I2C interface

MCP23018-E/MJ
Microchip Technology
1: $2.77
1,300In Stock
1,911Expected 17/9/2026

Mfr. Part No.
MCP23018-E/MJ

Mouser Part No
579-MCP23018-E/MJ

Microchip Technology

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

Datasheet

1,300In Stock

1,911Expected 17/9/2026

$2.77

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

I2C, Serial

16 I/O

With Interrupt

1.8 V

5.5 V

3.4 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MCP23017T-E/SO
Microchip Technology
1: $2.20
9,434In Stock
19,200Expected 5/10/2026

Mfr. Part No.
MCP23017T-E/SO

Mouser Part No
579-MCP23017T-E/SO

Microchip Technology

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

Learn More

Datasheet

9,434In Stock

19,200Expected 5/10/2026

Cut Tape

$2.20

Reel

$2.20

MouseReel Available

Min.: 1
Mult.: 1

: 1,600

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

Reel, Cut Tape, MouseReel

4 kV

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

MCP23017-E/SP
Microchip Technology
1: $2.30
4,455In Stock
7,965Expected 28/9/2026

Mfr. Part No.
MCP23017-E/SP

Mouser Part No
579-MCP23017-E/SP

Microchip Technology

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

Learn More

Datasheet

4,455In Stock

7,965Expected 28/9/2026

$2.30

Min.: 1
Mult.: 1

MCP23017

Through Hole

SPDIP-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 8-bit I2C-bus I/O Expander

PI4IOE5V6408ZTAEX
Diodes Incorporated
1: $1.07
4,857In Stock
9,000Expected 9/4/2027

Mfr. Part No.
PI4IOE5V6408ZTAEX

Mouser Part No
729-I4IOE5V6408ZTAEX

Diodes Incorporated

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

Datasheet

4,857In Stock

9,000Expected 9/4/2027

Cut Tape

$1.07

$0.77

$0.694

$0.608

View

Reel

$0.543

MouseReel Available

Min.: 1
Mult.: 1
Max.: 530

: 3,000

PIO4IO

SMD/SMT

UQFN-16

I2C, Serial

8 I/O

With Interrupt

1.65 V

3.6 V

1 MHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp

TCAL6416DGSR
Texas Instruments
1: $2.84
6,635In Stock
New Product

Mfr. Part No.
TCAL6416DGSR

Mouser Part No
595-TCAL6416DGSR

New Product

Texas Instruments

Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp

Learn More

Datasheet

6,635In Stock

Cut Tape

$2.84

$2.11

$1.92

$1.71

View

Reel

$1.52

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

: 5,000

TCAL6416

SMD/SMT

VSSOP-24

I2C, Serial

16 I/O

With Interrupt

1.08 V

3.6 V

1 MHz

- 40 C

+ 125 C

Reel, Cut Tape

With ESD Protection

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

MCP23S18T-E/MJ
Microchip Technology
1: $2.92
3,694In Stock

Mfr. Part No.
MCP23S18T-E/MJ

Mouser Part No
579-MCP23S18T-E/MJ

Microchip Technology

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

Datasheet

3,694In Stock

Cut Tape

$2.92

Reel

$2.92

MouseReel Available

Min.: 1
Mult.: 1

: 3,300

MCP23S18

SMD/SMT

QFN-24

Serial, SPI

16 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 16B I/O Expander SPI interface

MCP23S18-E/MJ
Microchip Technology
1: $2.92
6,333In Stock

Mfr. Part No.
MCP23S18-E/MJ

Mouser Part No
579-MCP23S18-E/MJ

Microchip Technology

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

Datasheet

6,333In Stock

$2.92

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

Serial, SPI

16 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MCP23S18-E/SO
Microchip Technology
1: $2.92
910In Stock

Mfr. Part No.
MCP23S18-E/SO

Mouser Part No
579-MCP23S18-E/SO

Microchip Technology

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

Datasheet

910In Stock

$2.92

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

Serial, SPI

16 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

Tube

Without ESD Protection

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

MCP23017-E/SS
Microchip Technology
1: $2.30
10,191In Stock
15,886Expected 22/9/2026

Mfr. Part No.
MCP23017-E/SS

Mouser Part No
579-MCP23017-E/SS

Microchip Technology

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

Learn More

Datasheet

10,191In Stock

15,886Expected 22/9/2026

$2.30

Min.: 1
Mult.: 1

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

Tube

4 kV

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

MAX7321ATE+T
Analog Devices / Maxim Integrated
1: $5.64
6,852In Stock

Mfr. Part No.
MAX7321ATE+T

Mouser Part No
700-MAX7321ATET

Analog Devices / Maxim Integrated

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

Datasheet

6,852In Stock

Cut Tape

$5.64

$4.27

$3.93

$3.55

View

Reel

$3.06

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

MAX7321

SMD/SMT

TQFN-16

I2C, Serial

8 I/O

With Interrupt

1.71 V

5.5 V

400 kHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND

IS82C55AZ
Renesas / Intersil
1: $56.48
742In Stock

Mfr. Part No.
IS82C55AZ

Mouser Part No
968-IS82C55AZ

Renesas / Intersil

Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND

Datasheet

742In Stock

$56.48

$45.74

$43.04

$41.28

View

Min.: 1
Mult.: 1

82C55A

SMD/SMT

PLCC-44

Parallel

24 I/O

With Interrupt

4.5 V

5.5 V

8 MHz

- 40 C

+ 85 C

Tube

1 kV

Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K

PI4IOE5V9537UEX
Diodes Incorporated
1: $1.24
1,888In Stock

Mfr. Part No.
PI4IOE5V9537UEX

Mouser Part No
729-PI4IOE5V9537UEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K

Datasheet

1,888In Stock

Cut Tape

$1.24

$0.883

$0.796

$0.70

View

Reel

$0.579

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

MSOP-10

Reel, Cut Tape

Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp

TCAL6416RADTOR
Texas Instruments
1: $3.69
1,884In Stock
New Product

Mfr. Part No.
TCAL6416RADTOR

Mouser Part No
595-TCAL6416RADTOR

New Product

Texas Instruments

Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp

Learn More

Datasheet

1,884In Stock

Cut Tape

$3.69

$2.75

$2.52

$2.26

View

Reel

$2.03

MouseReel Available

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

: 3,000

TCAL6416R

SMD/SMT

QFN-24

I2C

16 I/O

With Interrupt

1.08 V

3.6 V

1 MHz

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 48-bit I2C-bus I/O Expander

PI4IOE5V96248ZLEX
Diodes Incorporated
1: $3.58
4,904In Stock

Mfr. Part No.
PI4IOE5V96248ZLEX

Mouser Part No
729-I4IOE5V96248ZLEX

Diodes Incorporated

Interface - I/O Expanders 48-bit I2C-bus I/O Expander

Learn More

Datasheet

4,904In Stock

Cut Tape

$3.58

$2.67

$2.45

$2.19

Reel

$2.19

MouseReel Available

Min.: 1
Mult.: 1
Max.: 220

: 3,000

PIO4IO

SMD/SMT

TQFN-56

I2C, Serial

48 I/O

With Interrupt

2.3 V

5.5 V

1 MHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

4 kV

Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN32 package

PCAL9722HNMP
NXP Semiconductors
1: $2.57
55,862In Stock

Mfr. Part No.
PCAL9722HNMP

Mouser Part No
771-PCAL9722HNMP

NXP Semiconductors

Interface - I/O Expanders 22-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN32 package

Learn More

Datasheet

55,862In Stock

Cut Tape

$2.57

$1.90

$1.73

$1.54

View

Reel

$1.28

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

PCAL9722

SMD/SMT

HVQFN-32

I2C, Serial

With Interrupt

1.1 V

5.5 V

5 MHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

2 kV

Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K

PI4IOE5V9538LEX
Diodes Incorporated
1: $1.55
1,757In Stock

Mfr. Part No.
PI4IOE5V9538LEX

Mouser Part No
729-PI4IOE5V9538LEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K

Datasheet

1,757In Stock

Cut Tape

$1.55

$1.12

$1.01

$0.896

Reel

$0.747

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

PIO4IO

SMD/SMT

TSSOP-16

Reel, Cut Tape, MouseReel

Interface - I/O Expanders Interface IO Expandr

PI4IOE5V6416LEX
Diodes Incorporated
1: $1.82
6,477In Stock

Mfr. Part No.
PI4IOE5V6416LEX

Mouser Part No
729-PI4IOE5V6416LEX

Diodes Incorporated

Interface - I/O Expanders Interface IO Expandr

Learn More

Datasheet

6,477In Stock

Cut Tape

$1.82

$1.35

$1.23

$1.10

View

Reel

$1.01

Min.: 1
Mult.: 1
Max.: 500

: 3,000

PIO4IO

SMD/SMT

TSSOP-24

I2C, Serial

16 I/O

With Interrupt

1.65 V

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape

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