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

8051 Core Microcontrollers - MCU

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

Types of Microcontrollers - MCU

List Images

Results: 531

Applied Filters:

Core = 8051

Manufacturer

Mounting Style

Package/Case

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Supply Voltage - Min

Supply Voltage - Max

Maximum Operating Temperature

Qualification

Packaging

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 #

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

AT80C51RD2-3CSUM
Microchip Technology
1: $5.05
190In Stock
300Expected 10/09/2026

Mfr. Part No.
AT80C51RD2-3CSUM

Mouser Part No
556-AT80C51RD2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

Datasheet

190In Stock

300Expected 10/09/2026

$5.05

$4.63

$4.43

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

40 MHz

0 B

1.25 kB

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

AT89LP51-20AU
Microchip Technology
1: $1.72
130In Stock
480Expected 23/10/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

Learn More

Datasheet

130In Stock

480Expected 23/10/2026

$1.72

$1.56

$1.42

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

4 kB

256 B

No ADC

36 I/O

2.4 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20JU
Microchip Technology
1: $5.95
143In Stock
135On Order

Mfr. Part No.
AT89LP51RD2-20JU

Mouser Part No
556-AT89LP51RD2-20JU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

143In Stock

135On Order

$5.95

$5.46

$5.24

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20PU
Microchip Technology
1: $5.34
89In Stock

Mfr. Part No.
AT89LP51RD2-20PU

Mouser Part No
556-AT89LP51RD2-20PU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

89In Stock

$5.34

$4.92

$4.44

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F340-GQ
Silicon Labs
1: $24.82
18In Stock
1,250Expected 02/09/2026

Mfr. Part No.
C8051F340-GQ

Mouser Part No
634-C8051F340-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Datasheet

18In Stock

1,250Expected 02/09/2026

$24.82

$19.53

$18.55

$16.89

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

40 I/O

2.7 V

5.25 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

C8051F351-GMR
Silicon Labs
1: $16.55
97In Stock

Mfr. Part No.
C8051F351-GMR

Mouser Part No
634-C8051F351-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

Datasheet

97In Stock

Cut Tape

$16.55

$12.93

$11.90

$10.92

View

Reel

$8.98

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

8 bit

50 MHz

8 kB

768 B

24 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU

C8051F353-GM
Silicon Labs
1: $11.78
1,514Expected 16/11/2026

Mfr. Part No.
C8051F353-GM

Mouser Part No
634-C8051F353-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU

Datasheet

1,514Expected 16/11/2026

$11.78

$9.77

$8.46

$8.12

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

8 bit

50 MHz

8 kB

768 B

16 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Tube

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: $7.74
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

$7.74

$6.20

$5.49

$5.14

View

Reel

$4.19

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

25 I/O

2.7 V

5.25 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

C8051F387-GM
Silicon Labs
1: $6.86
208In Stock

Mfr. Part No.
C8051F387-GM

Mouser Part No
634-C8051F387-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

Learn More

Datasheet

208In Stock

$6.86

$5.41

$4.88

$4.44

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

48 MHz

32 kB

2.3 kB

25 I/O

2.7 V

5.25 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F392-A-GMR
Silicon Labs
1: $4.69
72In Stock

Mfr. Part No.
C8051F392-A-GMR

Mouser Part No
634-C8051F392-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

72In Stock

Cut Tape

$4.69

$3.57

$3.11

$2.78

View

Reel

$2.20

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

8 bit

50 MHz

16 kB

1 kB

10 bit

17 I/O

1.8 V

3.6 V

+ 105 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

C8051F850-C-GMR
Silicon Labs
1: $2.90
559In Stock

Mfr. Part No.
C8051F850-C-GMR

Mouser Part No
634-C8051F850-C-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

Learn More

Datasheet

559In Stock

Cut Tape

$2.90

$2.38

$2.06

$1.94

Reel

$1.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

2.2 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3445PVI-094
Infineon Technologies
1: $12.34
134In Stock

Mfr. Part No.
CY8C3445PVI-094

Mouser Part No
727-CY8C3445PVI-094

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

134In Stock

$12.34

$11.02

$8.52

$8.42

View

Min.: 1
Mult.: 1

SMD/SMT

SSOP-48

8051

8 bit

50 MHz

32 kB

4 kB

12 bit

29 I/O

1.71 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQ
Silicon Labs
1: $31.86
113In Stock
800Expected 08/01/2027
End of Life

Mfr. Part No.
C8051F005-GQ

Mouser Part No
634-C8051F005-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

113In Stock

800Expected 08/01/2027

$31.86

$27.58

$26.12

$23.73

$22.28

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQR
Silicon Labs
1: $31.86
234In Stock
End of Life

Mfr. Part No.
C8051F005-GQR

Mouser Part No
634-C8051F005-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

234In Stock

Cut Tape

$31.86

$29.29

Reel

$23.30

Quote

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

C8051F021-GQ
Silicon Labs
1: $40.64
133In Stock
End of Life

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

Datasheet

133In Stock

$40.64

$34.07

$32.13

$29.28

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

C8051F021-GQR
Silicon Labs
1: $42.01
379In Stock
End of Life

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

Datasheet

379In Stock

Cut Tape

$42.01

$35.42

$32.62

$31.28

View

Reel

$28.64

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

C8051F064-GQR
Silicon Labs
1: $32.65
115In Stock
End of Life

Mfr. Part No.
C8051F064-GQR

Mouser Part No
634-C8051F064-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

Datasheet

115In Stock

Cut Tape

$32.65

$28.03

$26.77

$26.06

Reel

$22.98

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

16 bit

59 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

C8051F124-GQ
Silicon Labs
1: $44.67
24In Stock
1,350Expected 04/12/2026
End of Life

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

Datasheet

24In Stock

1,350Expected 04/12/2026

$44.67

$37.64

$35.39

$33.51

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

8 bit

50 MHz

128 kB

8.25 kB

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

C8051F500-IM
Silicon Labs
1: $13.53
181In Stock
End of Life

Mfr. Part No.
C8051F500-IM

Mouser Part No
634-C8051F500-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

Datasheet

181In Stock

$13.53

$11.15

$10.08

$9.39

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

40 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU

C8051F530-C-IM
Silicon Labs
1: $7.72
793In Stock
End of Life

Mfr. Part No.
C8051F530-C-IM

Mouser Part No
634-C8051F530-C-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU

Datasheet

793In Stock

$7.72

$5.67

$5.28

$4.64

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

2 V

5.25 V

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

C8051F580-IQ
Silicon Labs
1: $18.25
397In Stock
2,500Expected 29/01/2027
End of Life

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

Learn More

Datasheet

397In Stock

2,500Expected 29/01/2027

$18.25

$14.83

$13.39

$12.26

$11.76

Min.: 1
Mult.: 1

SMD/SMT

PQFP-48

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

40 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GM
Silicon Labs
1: $4.97
63In Stock
End of Life

Mfr. Part No.
C8051F920-G-GM

Mouser Part No
634-C8051F920-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

63In Stock

$4.97

$4.14

$3.54

$3.37

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

900 mV

3.6 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GMR
Silicon Labs
1: $4.69
1,318In Stock
End of Life

Mfr. Part No.
C8051F920-G-GMR

Mouser Part No
634-C8051F920-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,318In Stock

Cut Tape

$4.69

$3.90

$3.62

$3.26

Reel

$2.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

900 mV

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: $4.31
996In Stock
End of Life

Mfr. Part No.
C8051F921-G-GMR

Mouser Part No
634-C8051F921-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

996In Stock

Cut Tape

$4.31

$3.59

$3.16

$3.00

View

Reel

$2.50

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

16 I/O

900 mV

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F930-G-GM
Silicon Labs
1: $5.71
1,244In Stock
End of Life

Mfr. Part No.
C8051F930-G-GM

Mouser Part No
634-C8051F930-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,244In Stock

$5.71

$4.74

$4.07

$3.88

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

24 I/O

1.8 V

3.6 V

+ 85 C

Tube

8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

LGA-42
LQFP-32
LQFP-44
LQFP-48
LQFP-64
MSOP-10
PDIP-20
PDIP-40
PLCC-28
PLCC-44
PLCC-68
PQFP-44
PQFP-48
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32
QFN-33
QFN-36

128 B
256 B
512 B
768 B
1 kB
1.2 kB
1.25 kB
1.28 kB
1.54 kB
1.75 kB
2 KB
2 kB
2.25 kB
2.3 kB
2.31 kB
4 kB
4.25 kB
4.35 kB
4352 B
8 kB

4 I/O
6 I/O
7 I/O
8 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
20 I/O
21 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
30 I/O
31 I/O