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Microchip Interface - I/O Expanders

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Part #

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

MCP23S09-E/SO
Microchip Technology
1: $1.62
1,143In 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

1,143In Stock

$1.62

$1.35

$1.24

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 8-bit I/O Expander SPI interface

MCP23S09T-E/SO
Microchip Technology
1: $1.70
2,592In 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

2,592In Stock

Cut Tape

$1.70

$1.43

$1.29

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 In/Out I2C int

MCP23008-E/P
Microchip Technology
1: $1.54
308In Stock
1,100Expected 16/02/2026

Mfr. Part No.
MCP23008-E/P

Mouser Part No
579-MCP23008-E/P

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

308In Stock

1,100Expected 16/02/2026

$1.54

$1.28

$1.26

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 In/Out I2C int

MCP23008T-E/SS
Microchip Technology
1: $1.49
260In Stock
6,060Expected 26/02/2026

Mfr. Part No.
MCP23008T-E/SS

Mouser Part No
579-MCP23008T-E/SS

Microchip Technology

Interface - I/O Expanders In/Out I2C int

Datasheet

260In Stock

6,060Expected 26/02/2026

Cut Tape

$1.49

$1.25

$1.13

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 8-bit I/O Expander I2C interface

MCP23009-E/P
Microchip Technology
1: $1.59
30In 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

30In 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
224In 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

224In 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
593In 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

593In Stock

Cut Tape

$1.63

$1.35

$1.22

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 16 bit In/Out

MCP23016-I/SP
Microchip Technology
1: $2.24
266In Stock

Mfr. Part No.
MCP23016-I/SP

Mouser Part No
579-MCP23016-I/SP

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

266In Stock

$2.24

$1.86

$1.84

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/ML
Microchip Technology
1: $2.27
316In Stock

Mfr. Part No.
MCP23016T-I/ML

Mouser Part No
579-MCP23016T-I/ML

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

316In Stock

Cut Tape

$2.27

$1.90

$1.88

Reel

$1.88

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,600

SMD/SMT

QFN-28

I2C, Serial

16 I/O

With Interrupt

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Without ESD Protection

Interface - I/O Expanders 16 bit In/Out

MCP23016T-I/SO
Microchip Technology
1: $2.13
453In Stock

Mfr. Part No.
MCP23016T-I/SO

Mouser Part No
579-MCP23016T-I/SO

Microchip Technology

Interface - I/O Expanders 16 bit In/Out

Datasheet

453In Stock

Cut Tape

$2.13

$1.78

$1.75

Reel

$1.75

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,600

SMD/SMT

SOIC-28

I2C, Serial

16 I/O

With Interrupt

5.5 V

400 kHz

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Without ESD Protection

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

MCP23018-E/SO
Microchip Technology
1: $2.04
354In Stock

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

354In Stock

$2.04

$1.69

$1.54

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
333In 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

333In Stock

$2.13

$1.78

$1.61

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 Digital CAN I/O

MCP25020-I/P
Microchip Technology
1: $3.81
122In 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

122In Stock

$3.81

$3.18

$3.15

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 Mixed signal Expandr

MCP25050-E/P
Microchip Technology
1: $6.07
89In Stock

Mfr. Part No.
MCP25050-E/P

Mouser Part No
579-MCP25050-E/P

Microchip Technology

Interface - I/O Expanders Mixed signal Expandr

Datasheet

89In Stock

$6.07

$5.07

$5.02

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 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

$1.40

$1.28

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

MCP23S18T-E/MJVAO
Microchip Technology
1: $2.15
428In 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

428In Stock

Cut Tape

$2.15

$1.80

$1.78

Reel

View

Min.: 1
Mult.: 1

Reel: 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 Digital CAN I/O

MCP25020-I/SL
Microchip Technology
1: $3.64
228Expected 13/02/2026

Mfr. Part No.
MCP25020-I/SL

Mouser Part No
579-MCP25020-I/SL

Microchip Technology

Interface - I/O Expanders Digital CAN I/O

Datasheet

228Expected 13/02/2026

$3.64

$3.03

$3.00

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 16 bit In/Out

MCP23016T-I/SS
Microchip Technology
2,100: $1.88
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$1.88

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

Reel: 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: $4.29
Non-Stocked Lead-Time 6 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 6 Weeks

$4.29

$3.57

$3.25

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 6 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 6 Weeks

$4.40

$3.69

$3.64

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: $3.25
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$3.25

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

Reel: 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: $3.00
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$3.00

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

Reel: 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 4 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 4 Weeks

$4.33

$3.62

$3.58

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: $3.25
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$3.25

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

Reel: 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: $4.40
Non-Stocked Lead-Time 6 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 6 Weeks

Reel

$4.40

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

Reel: 2,600

SMD/SMT

SOIC-14

5.5 V

- 65 C

+ 150 C

Reel

Microchip Interface - I/O Expanders

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