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

Microchip Interface - I/O Expanders

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

Results: 80

Applied Filters:

Manufacturer = Microchip

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 Mixed signal Expandr

MCP25050-I/SL
Microchip Technology
1: $4.84
1,011In Stock

Mfr. Part No.
MCP25050-I/SL

Mouser Part No
579-MCP25050-I/SL

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

1,011In Stock

$4.84

Min.: 1
Mult.: 1

SMD/SMT

SOIC-14

CAN

8 I/O

Without Interrupt

5.5 V

25 MHz

- 65 C

+ 150 C

Tube

3.5 kV

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

MCP23017-E/SP
Microchip Technology
1: $1.69
4,523In Stock
7,965Expected 28/09/2026

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

4,523In Stock

7,965Expected 28/09/2026

$1.69

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 16bit Input/Output Exp I2C interface

MCP23017-E/SS
Microchip Technology
1: $1.69
10,610In Stock
15,886Expected 08/09/2026

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

10,610In Stock

15,886Expected 08/09/2026

$1.69

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 16bit Input/Output Exp I2C interface

MCP23017T-E/SO
Microchip Technology
1: $1.62
9,545In Stock
19,200Expected 05/10/2026

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

9,545In Stock

19,200Expected 05/10/2026

Cut Tape

$1.62

Reel

$1.62

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 8-bit I/O Expander I2C interface

MCP23009-E/P
Microchip Technology
1: $1.59
287In Stock

Mfr. Part No.
MCP23009-E/P

Mouser Part No
579-MCP23009-E/P

Microchip Technology

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

Datasheet

287In Stock

$1.59

$1.32

$1.22

Min.: 1
Mult.: 1

Through Hole

PDIP-18

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 8-bit I/O Expander I2C interface

MCP23009-E/SO
Microchip Technology
1: $1.52
133In Stock

Mfr. Part No.
MCP23009-E/SO

Mouser Part No
579-MCP23009-E/SO

Microchip Technology

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

Datasheet

133In Stock

$1.52

$1.27

$1.15

Min.: 1
Mult.: 1

SMD/SMT

SOIC-18

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 8-bit I/O Expander I2C interface

MCP23009T-E/SS
Microchip Technology
1: $1.63
60In Stock
1,600Expected 04/08/2026

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

60In Stock

1,600Expected 04/08/2026

Cut Tape

$1.63

Reel

$1.63

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 16B I/O Expander I2C interface

MCP23018-E/SO
Microchip Technology
1: $2.04
58In Stock
243On Order

Mfr. Part No.
MCP23018-E/SO

Mouser Part No
579-MCP23018-E/SO

Microchip Technology

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

Datasheet

58In Stock

243On Order

$2.04

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

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 16B I/O Expander I2C interface

MCP23018-E/SP
Microchip Technology
1: $2.13
420In Stock

Mfr. Part No.
MCP23018-E/SP

Mouser Part No
579-MCP23018-E/SP

Microchip Technology

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

Datasheet

420In Stock

$2.13

Min.: 1
Mult.: 1

Through Hole

SPDIP-28

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 8-bit I/O Expander SPI interface

MCP23S09-E/P
Microchip Technology
1: $1.69
211In Stock

Mfr. Part No.
MCP23S09-E/P

Mouser Part No
579-MCP23S09-E/P

Microchip Technology

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

Datasheet

211In Stock

$1.69

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

4 kV

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

MCP23S09-E/SO
Microchip Technology
1: $1.62
288In Stock

Mfr. Part No.
MCP23S09-E/SO

Mouser Part No
579-MCP23S09-E/SO

Microchip Technology

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

Datasheet

288In Stock

$1.62

Min.: 1
Mult.: 1

SMD/SMT

SOIC-18

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 16B I/O Expander SPI interface

MCP23S18-E/SP
Microchip Technology
1: $2.26
569In Stock

Mfr. Part No.
MCP23S18-E/SP

Mouser Part No
579-MCP23S18-E/SP

Microchip Technology

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

Datasheet

569In Stock

$2.26

Min.: 1
Mult.: 1

Through Hole

PDIP-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 Digital CAN I/O

MCP25020-I/P
Microchip Technology
1: $3.81
117In Stock

Mfr. Part No.
MCP25020-I/P

Mouser Part No
579-MCP25020-I/P

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

117In Stock

$3.81

Min.: 1
Mult.: 1

Through Hole

PDIP-14

CAN

8 I/O

Without Interrupt

2.75 V

5.5 V

25 MHz

- 65 C

+ 150 C

Tube

3.5 kV

Interface - I/O Expanders Digital CAN I/O

MCP25020-I/SL
Microchip Technology
1: $3.64
89In Stock

Mfr. Part No.
MCP25020-I/SL

Mouser Part No
579-MCP25020-I/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

89In Stock

$3.64

Min.: 1
Mult.: 1

SMD/SMT

SOIC-14

CAN

8 I/O

Without Interrupt

2.75 V

5.5 V

25 MHz

- 40 C

+ 85 C

Tube

3.5 kV

Interface - I/O Expanders Mixed signal Expandr

MCP25050-E/P
Microchip Technology
1: $6.07
29In Stock

Mfr. Part No.
MCP25050-E/P

Mouser Part No
579-MCP25050-E/P

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

29In Stock

$6.07

Min.: 1
Mult.: 1

Through Hole

PDIP-14

CAN

8 I/O

Without Interrupt

5.5 V

25 MHz

- 65 C

+ 150 C

Tube

3.5 kV

Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface

MCP23S18T-E/MJVAO
Microchip Technology
1: $2.15
11In Stock
Factory Special Order

Mfr. Part No.
MCP23S18T-E/MJVAO

Mouser Part No
579-MCP23S18T-EMJVAO

Factory Special Order

Microchip Technology

Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface

Datasheet

11In Stock

Cut Tape

$2.15

View

Reel

$1.50

Min.: 1
Mult.: 1

: 3,300

SMD/SMT

QFN-24

Serial, SPI

16 I/O

With Interrupt

1.8 V

5.5 V

10 MHz

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape

Without ESD Protection

Interface - I/O Expanders 16 bit In/Out

MCP23016-I/SP
Microchip Technology
1: $2.24
495Expected 07/09/2026

Mfr. Part No.
MCP23016-I/SP

Mouser Part No
579-MCP23016-I/SP

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

495Expected 07/09/2026

$2.24

Min.: 1
Mult.: 1

Through Hole

SPDIP-28

I2C, Serial

16 I/O

With Interrupt

2 V

5.5 V

400 kHz

- 40 C

+ 85 C

Tube

Without ESD Protection

Interface - I/O Expanders 16 bit In/Out

MCP23016T-I/SS
Microchip Technology
2,100: $2.27
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
MCP23016T-I/SS

Mouser Part No
579-MCP23016T-I/SS

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

$2.27

Min.: 2,100
Mult.: 2,100

: 2,100

SMD/SMT

SSOP-28

I2C, Serial

16 I/O

With Interrupt

5.5 V

400 kHz

- 40 C

+ 85 C

Reel

Without ESD Protection

Interface - I/O Expanders Digital CAN I/O

MCP25020-E/P
Microchip Technology
1: $4.37
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25020-E/P

Mouser Part No
579-MCP25020-E/P

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

$4.37

$3.71

$3.60

$3.57

View

Min.: 1
Mult.: 1

Through Hole

PDIP-14

5.5 V

- 65 C

+ 150 C

Tube

Interface - I/O Expanders Digital CAN I/O

MCP25020-E/SL
Microchip Technology
1: $4.40
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25020-E/SL

Mouser Part No
579-MCP25020-E/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

$4.40

Min.: 1
Mult.: 1

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Tube

Interface - I/O Expanders Digital CAN I/O

MCP25020T-E/SL
Microchip Technology
2,600: $4.29
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25020T-E/SL

Mouser Part No
579-MCP25020T-E/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$4.29

Min.: 2,600
Mult.: 2,600

: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Interface - I/O Expanders Digital CAN I/O

MCP25020T-I/SL
Microchip Technology
2,600: $3.64
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25020T-I/SL

Mouser Part No
579-MCP25020T-I/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$3.64

Min.: 2,600
Mult.: 2,600

: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Interface - I/O Expanders Digital 1 Wire capab

MCP25025-I/P
Microchip Technology
1: $4.33
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
MCP25025-I/P

Mouser Part No
579-MCP25025-I/P

Microchip Technology

Interface - I/O Expanders Digital 1 Wire capab

Datasheet

Non-Stocked Lead-Time 9 Weeks

$4.33

$3.62

$3.50

Min.: 1
Mult.: 1

Through Hole

PDIP-14

CAN

8 I/O

Without Interrupt

2.7 V

5.5 V

4 MHz

- 65 C

+ 150 C

Tube

3.5 kV

Interface - I/O Expanders Digital 1 Wire capab

MCP25025T-I/SL
Microchip Technology
2,600: $4.29
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25025T-I/SL

Mouser Part No
579-MCP25025T-I/SL

Microchip Technology

Interface - I/O Expanders Digital 1 Wire capab

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$4.29

Min.: 2,600
Mult.: 2,600

: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Interface - I/O Expanders Mixed signal Expandr

MCP25050T-E/SL
Microchip Technology
2,600: $5.81
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
MCP25050T-E/SL

Mouser Part No
579-MCP25050T-E/SL

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$5.81

Min.: 2,600
Mult.: 2,600

: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Microchip Interface - I/O Expanders

Customer Service Office

Company

Resources

Support