Interface - I/O Expanders 16bit Input/Output Exp I2C interface
MCP23017T-E/SS
Microchip Technology
1:
$1.69
56,274 In Stock
Mouser Part No 579-MCP23017T-E/SS
Microchip Technology
Interface - I/O Expanders 16bit Input/Output Exp I2C interface
56,274 In Stock
Alternative Packaging
1
$1.69
25
$1.40
100
$1.37
1,000
$1.28
2,100
$1.28
Buy
Min.: 1 Mult.: 1
Reel :2,100
Details
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 8bit Input/Output Exp I2C interface
MCP23008-E/ML
Microchip Technology
1:
$1.38
11,149 In Stock
Mouser Part No 579-MCP23008-E/ML
Microchip Technology
Interface - I/O Expanders 8bit Input/Output Exp I2C interface
11,149 In Stock
Alternative Packaging
1
$1.38
10
$1.33
25
$1.22
91
$1.12
546
View
546
$1.10
1,001
$1.09
5,005
$1.08
Buy
Min.: 1 Mult.: 1
Details
SMD/SMT
QFN-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 In/Out I2C int
MCP23008-E/SO
Microchip Technology
1:
$1.37
6,938 In Stock
Mouser Part No 579-MCP23008-E/SO
Microchip Technology
Interface - I/O Expanders In/Out I2C int
6,938 In Stock
Alternative Packaging
1
$1.37
25
$1.14
252
$1.05
Buy
Min.: 1 Mult.: 1
Details
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
+2 images
MCP23008-E/SS
Microchip Technology
1:
$1.49
9,003 In Stock
Mouser Part No 579-MCP23008-E/SS
Microchip Technology
Interface - I/O Expanders In/Out I2C int
9,003 In Stock
Alternative Packaging
1
$1.49
25
$1.25
268
$1.13
Buy
Min.: 1 Mult.: 1
Details
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 In/Out I2C int
+2 images
MCP23008T-E/SS
Microchip Technology
1:
$1.49
6,078 In Stock
6,400 Expected 01/10/2026
Mouser Part No 579-MCP23008T-E/SS
Microchip Technology
Interface - I/O Expanders In/Out I2C int
6,078 In Stock
6,400 Expected 01/10/2026
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :1,600
Details
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
+2 images
MCP23009-E/SS
Microchip Technology
1:
$1.52
3,362 In Stock
Mouser Part No 579-MCP23009-E/SS
Microchip Technology
Interface - I/O Expanders 8-bit I/O Expander I2C interface
3,362 In Stock
Alternative Packaging
1
$1.52
25
$1.27
268
$1.15
Buy
Min.: 1 Mult.: 1
Details
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:
$1.63
5,394 In Stock
Mouser Part No 579-MCP23009T-E/MG
Microchip Technology
Interface - I/O Expanders 8B I/O Expander SPI interface
Product Comments
5,394 In Stock
Alternative Packaging
1
$1.63
25
$1.36
100
$1.34
3,300
$1.25
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
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 16B I/O Expander I2C interface
+1 image
MCP23018-E/MJ
Microchip Technology
1:
$2.04
1,180 In Stock
1,911 Expected 02/10/2026
Mouser Part No 579-MCP23018-E/MJ
Microchip Technology
Interface - I/O Expanders 16B I/O Expander I2C interface
1,180 In Stock
1,911 Expected 02/10/2026
Alternative Packaging
1
$2.04
25
$1.69
273
$1.54
Buy
Min.: 1 Mult.: 1
Details
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 16B I/O Expander I2C interface
MCP23018T-E/MJ
Microchip Technology
1:
$2.04
6,078 In Stock
Mouser Part No 579-MCP23018T-E/MJ
Microchip Technology
Interface - I/O Expanders 16B I/O Expander I2C interface
6,078 In Stock
Alternative Packaging
1
$2.04
25
$1.69
100
$1.63
3,300
$1.54
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
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 16-bit I/O Expander I2C interface
MCP23018T-E/SS
Microchip Technology
1:
$2.24
4,829 In Stock
Mouser Part No 579-MCP23018T-E/SS
Microchip Technology
Interface - I/O Expanders 16-bit I/O Expander I2C interface
4,829 In Stock
Alternative Packaging
1
$2.24
25
$1.90
1,000
$1.69
2,100
$1.69
Buy
Min.: 1 Mult.: 1
Reel :2,100
Details
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 8bit Input/Output Exp SPI interface
MCP23S08-E/ML
Microchip Technology
1:
$1.65
5,713 In Stock
Mouser Part No 579-MCP23S08-E/ML
Microchip Technology
Interface - I/O Expanders 8bit Input/Output Exp SPI interface
5,713 In Stock
Alternative Packaging
1
$1.65
25
$1.37
273
$1.33
Buy
Min.: 1 Mult.: 1
Details
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 In/Out SPI int
MCP23S08-E/P
Microchip Technology
1:
$1.61
1,058 In Stock
Mouser Part No 579-MCP23S08-E/P
Microchip Technology
Interface - I/O Expanders In/Out SPI int
1,058 In Stock
1
$1.61
25
$1.35
100
$1.28
Buy
Min.: 1 Mult.: 1
Details
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 In/Out SPI int
+2 images
MCP23S08-E/SS
Microchip Technology
1:
$1.55
8,809 In Stock
Mouser Part No 579-MCP23S08-E/SS
Microchip Technology
Interface - I/O Expanders In/Out SPI int
8,809 In Stock
Alternative Packaging
1
$1.55
25
$1.29
268
$1.16
Buy
Min.: 1 Mult.: 1
Details
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 8bit Input/Output Exp SPI interface
MCP23S08T-E/ML
Microchip Technology
1:
$1.65
3,099 In Stock
Mouser Part No 579-MCP23S08T-E/ML
Microchip Technology
Interface - I/O Expanders 8bit Input/Output Exp SPI interface
3,099 In Stock
Alternative Packaging
1
$1.65
25
$1.63
250
$1.55
500
$1.54
3,300
$1.33
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
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 In/Out SPI int
+2 images
MCP23S08T-E/SS
Microchip Technology
1:
$1.55
10,290 In Stock
Mouser Part No 579-MCP23S08T-E/SS
Microchip Technology
Interface - I/O Expanders In/Out SPI int
10,290 In Stock
Alternative Packaging
1
$1.55
25
$1.29
100
$1.23
1,000
$1.16
1,600
$1.16
Buy
Min.: 1 Mult.: 1
Reel :1,600
Details
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 - I/O Expanders 8B I/O Expander SPI interface
MCP23S09-E/MG
Microchip Technology
1:
$1.70
9,253 In Stock
5,040 Expected 14/12/2026
Mouser Part No 579-MCP23S09-E/MG
Microchip Technology
Interface - I/O Expanders 8B I/O Expander SPI interface
Product Comments
9,253 In Stock
5,040 Expected 14/12/2026
Alternative Packaging
1
$1.70
25
$1.43
120
$1.29
Buy
Min.: 1 Mult.: 1
Details
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 8B I/O Expander SPI interface
MCP23S09T-E/MG
Microchip Technology
1:
$1.70
2,697 In Stock
Mouser Part No 579-MCP23S09T-E/MG
Microchip Technology
Interface - I/O Expanders 8B I/O Expander SPI interface
Product Comments
2,697 In Stock
Alternative Packaging
1
$1.70
25
$1.43
100
$1.40
3,300
$1.29
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
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 16bit Input/Output Exp SPI interface
MCP23S17-E/ML
Microchip Technology
1:
$2.04
4,823 In Stock
9,760 Expected 01/02/2027
Mouser Part No 579-MCP23S17-E/ML
Microchip Technology
Interface - I/O Expanders 16bit Input/Output Exp SPI interface
4,823 In Stock
9,760 Expected 01/02/2027
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
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 16bit Input/Output Exp SPI interface
MCP23S17T-E/SO
Microchip Technology
1:
$1.69
9,263 In Stock
12,800 Expected 11/09/2026
Mouser Part No 579-MCP23S17T-E/SO
Microchip Technology
Interface - I/O Expanders 16bit Input/Output Exp SPI interface
9,263 In Stock
12,800 Expected 11/09/2026
Alternative Packaging
1
$1.69
25
$1.40
100
$1.37
1,000
$1.28
1,600
$1.28
Buy
Min.: 1 Mult.: 1
Reel :1,600
Details
MCP23S17
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
4 kV
Interface - I/O Expanders 16B I/O Expander SPI interface
MCP23S18-E/MJ
Microchip Technology
1:
$2.15
5,036 In Stock
Mouser Part No 579-MCP23S18-E/MJ
Microchip Technology
Interface - I/O Expanders 16B I/O Expander SPI interface
5,036 In Stock
Alternative Packaging
1
$2.15
25
$1.80
273
$1.63
Buy
Min.: 1 Mult.: 1
Details
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:
$2.15
1,030 In Stock
945 Expected 04/01/2027
Mouser Part No 579-MCP23S18-E/SO
Microchip Technology
Interface - I/O Expanders 16B I/O Expander SPI interface
1,030 In Stock
945 Expected 04/01/2027
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
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 16B I/O Expander SPI interface
MCP23S18T-E/MJ
Microchip Technology
1:
$2.15
2,684 In Stock
9,900 Expected 01/01/2027
Mouser Part No 579-MCP23S18T-E/MJ
Microchip Technology
Interface - I/O Expanders 16B I/O Expander SPI interface
2,684 In Stock
9,900 Expected 01/01/2027
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
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
+3 images
MCP23S18T-E/SO
Microchip Technology
1:
$2.15
1,201 In Stock
Mouser Part No 579-MCP23S18T-E/SO
Microchip Technology
Interface - I/O Expanders 16B I/O Expander SPI interface
1,201 In Stock
Alternative Packaging
1
$2.15
25
$1.80
100
$1.75
1,000
$1.63
1,600
$1.63
Buy
Min.: 1 Mult.: 1
Reel :1,600
Details
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 Mixed signal Expandr
MCP25050-I/SL
Microchip Technology
1:
$4.84
1,011 In Stock
Mouser Part No 579-MCP25050-I/SL
Microchip Technology
Interface - I/O Expanders Mixed signal Expandr
1,011 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
SMD/SMT
SOIC-14
CAN
8 I/O
Without Interrupt
5.5 V
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
6,063 In Stock
5,965 On Order
Mouser Part No 579-MCP23017-E/SP
Microchip Technology
Interface - I/O Expanders 16bit Input/Output Exp I2C interface
6,063 In Stock
5,965 On Order
View Dates
Stock:
6,063 Can Dispatch Immediately
On Order:
3,750 Expected 10/09/2026
2,215 Expected 06/10/2026
Factory Lead Time:
15 Weeks
Buy
Min.: 1 Mult.: 1
Details
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
Israel