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Microchip Technology Interface - I/O Expanders

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Part #

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

MCP23017-E/SP
Microchip Technology
1: $2.20
5,280In Stock
7,965Expected 9/28/2026

Mfr. Part #
MCP23017-E/SP

Mouser Part #
579-MCP23017-E/SP

Microchip Technology

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

Learn More

Datasheet

5,280In Stock

7,965Expected 9/28/2026

$2.20

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: $2.20
10,615In Stock
15,886Expected 9/8/2026

Mfr. Part #
MCP23017-E/SS

Mouser Part #
579-MCP23017-E/SS

Microchip Technology

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

Learn More

Datasheet

10,615In Stock

15,886Expected 9/8/2026

$2.20

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: $2.11
9,569In Stock
19,200Expected 10/5/2026

Mfr. Part #
MCP23017T-E/SO

Mouser Part #
579-MCP23017T-E/SO

Microchip Technology

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

Learn More

Datasheet

9,569In Stock

19,200Expected 10/5/2026

Cut Tape

$2.11

Reel

$2.11

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 In/Out I2C int

MCP23008-E/P
Microchip Technology
1: $2.00
1,827In Stock

Mfr. Part #
MCP23008-E/P

Mouser Part #
579-MCP23008-E/P

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

1,827In Stock

$2.00

Min.: 1
Mult.: 1

Through Hole

PDIP-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 8-bit I/O Expander I2C interface

MCP23009-E/P
Microchip Technology
1: $2.07
302In Stock

Mfr. Part #
MCP23009-E/P

Mouser Part #
579-MCP23009-E/P

Microchip Technology

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

Datasheet

302In Stock

$2.07

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: $1.98
133In Stock

Mfr. Part #
MCP23009-E/SO

Mouser Part #
579-MCP23009-E/SO

Microchip Technology

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

Datasheet

133In Stock

$1.98

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: $2.12
60In Stock
1,600Expected 8/3/2026

Mfr. Part #
MCP23009T-E/SS

Mouser Part #
579-MCP23009T-E/SS

Microchip Technology

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

Datasheet

60In Stock

1,600Expected 8/3/2026

Cut Tape

$2.12

Reel

$2.12

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

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: $2.65
58In Stock

Mfr. Part #
MCP23018-E/SO

Mouser Part #
579-MCP23018-E/SO

Microchip Technology

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

Datasheet

58In Stock

$2.65

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: $2.77
421In Stock

Mfr. Part #
MCP23018-E/SP

Mouser Part #
579-MCP23018-E/SP

Microchip Technology

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

Datasheet

421In Stock

$2.77

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: $2.20
211In Stock

Mfr. Part #
MCP23S09-E/P

Mouser Part #
579-MCP23S09-E/P

Microchip Technology

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

Datasheet

211In Stock

$2.20

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: $2.11
288Expected 7/28/2026

Mfr. Part #
MCP23S09-E/SO

Mouser Part #
579-MCP23S09-E/SO

Microchip Technology

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

Datasheet

288Expected 7/28/2026

$2.11

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: $2.94
569In Stock

Mfr. Part #
MCP23S18-E/SP

Mouser Part #
579-MCP23S18-E/SP

Microchip Technology

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

Datasheet

569In Stock

$2.94

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: $4.95
117In Stock

Mfr. Part #
MCP25020-I/P

Mouser Part #
579-MCP25020-I/P

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

117In Stock

$4.95

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: $4.73
89In Stock

Mfr. Part #
MCP25020-I/SL

Mouser Part #
579-MCP25020-I/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

89In Stock

$4.73

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: $7.89
29In Stock

Mfr. Part #
MCP25050-E/P

Mouser Part #
579-MCP25050-E/P

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

29In Stock

$7.89

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: $2.80
11In Stock
Factory Special Order

Mfr. Part #
MCP23S18T-E/MJVAO

Mouser Part #
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

$2.80

View

Reel

$1.95

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: $2.91
495Expected 9/7/2026

Mfr. Part #
MCP23016-I/SP

Mouser Part #
579-MCP23016-I/SP

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

495Expected 9/7/2026

$2.91

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: $2.95
Non-Stocked Lead-Time 7 Weeks

Mfr. Part #
MCP23016T-I/SS

Mouser Part #
579-MCP23016T-I/SS

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

Non-Stocked Lead-Time 7 Weeks

Reel

$2.95

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: $5.58
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25020-E/P

Mouser Part #
579-MCP25020-E/P

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

$5.58

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: $5.72
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25020-E/SL

Mouser Part #
579-MCP25020-E/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

$5.72

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: $5.58
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25020T-E/SL

Mouser Part #
579-MCP25020T-E/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$5.58

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: $4.73
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25020T-I/SL

Mouser Part #
579-MCP25020T-I/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$4.73

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: $5.63
Non-Stocked Lead-Time 9 Weeks

Mfr. Part #
MCP25025-I/P

Mouser Part #
579-MCP25025-I/P

Microchip Technology

Interface - I/O Expanders Digital 1 Wire capab

Datasheet

Non-Stocked Lead-Time 9 Weeks

$5.63

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: $5.58
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25025T-I/SL

Mouser Part #
579-MCP25025T-I/SL

Microchip Technology

Interface - I/O Expanders Digital 1 Wire capab

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$5.58

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: $7.55
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
MCP25050T-E/SL

Mouser Part #
579-MCP25050T-E/SL

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$7.55

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

: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Microchip Technology Interface - I/O Expanders

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