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

8051 microcontroller Microcontrollers - MCU

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

Types of Microcontrollers - MCU

List Images

Results: 600

Applied Filters:

Manufacturer

Mounting Style

Package/Case

Core

Program Memory Size

Data Bus Width

ADC Resolution

Maximum Clock Frequency

Number of I/Os

Data RAM Size

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

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 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48

C8051F580-IQR
Silicon Labs
1: $17.35
4,175In Stock
End of Life

Mfr. Part No.
C8051F580-IQR

Mouser Part No
634-C8051F580-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48

Datasheet

4,175In Stock

Cut Tape

$17.35

$14.11

$12.49

$11.91

Reel

$10.43

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-48

8051

128 kB

8 bit

12 bit

50 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

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

C8051F313-GMR
Silicon Labs
1: $11.42
1,120In Stock

Mfr. Part No.
C8051F313-GMR

Mouser Part No
634-C8051F313-GMR

Silicon Labs

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

Datasheet

1,120In Stock

Cut Tape

$11.42

$8.89

$8.47

$7.36

View

Reel

$5.75

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

8 kB

8 bit

10 bit

25 MHz

25 I/O

1.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8G-A-SOIC16R
Silicon Labs
1: $1.31
5,000Expected 2026/09/08

Mfr. Part No.
EFM8BB10F8G-A-SOIC16R

Mouser Part No
634-8BB10F8GASO16R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

5,000Expected 2026/09/08

Cut Tape

$1.31

$1.09

$0.94

$0.854

Reel

$0.588

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SOIC-16

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8I-A-QFN20
Silicon Labs
1: $1.26
2,520Expected 2026/09/01

Mfr. Part No.
EFM8BB10F8I-A-QFN20

Mouser Part No
634-FM8BB10F8IAQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2,520Expected 2026/09/01

$1.26

$1.08

$0.942

$0.877

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

C8051F327-GMR
Silicon Labs
1: $5.15
3,007In Stock

Mfr. Part No.
C8051F327-GMR

Mouser Part No
634-C8051F327-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

Datasheet

3,007In Stock

Cut Tape

$5.15

$4.19

$3.64

$3.45

View

Reel

$2.76

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

16 kB

8 bit

25 MHz

15 I/O

1.54 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

C8051F338-GMR
Silicon Labs
1: $12.56
2,731In Stock

Mfr. Part No.
C8051F338-GMR

Mouser Part No
634-C8051F338-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

Datasheet

2,731In Stock

Cut Tape

$12.56

$10.21

$9.75

$8.46

View

Reel

$6.32

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

16 kB

8 bit

10 bit

25 MHz

21 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

C8051F336-GMR
Silicon Labs
1: $11.54
1,458In Stock

Mfr. Part No.
C8051F336-GMR

Mouser Part No
634-C8051F336-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

Datasheet

1,458In Stock

Cut Tape

$11.54

$9.39

$8.25

$7.85

View

Reel

$6.26

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

16 kB

8 bit

10 bit

25 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU

C8051F850-C-GM
Silicon Labs
1: $2.93
1,473In Stock
NRND

Mfr. Part No.
C8051F850-C-GM

Mouser Part No
634-C8051F850-C-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU

Learn More

Datasheet

1,473In Stock

$2.93

$2.47

$2.16

$2.01

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-QFN32R
Silicon Labs
1: $4.11
2,430Expected 2026/09/08

Mfr. Part No.
EFM8BB31F64I-D-QFN32R

Mouser Part No
634-EF8BB31F64IDN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2,430Expected 2026/09/08

Cut Tape

$4.11

$2.72

$2.48

$2.11

View

Reel

$1.58

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB21F16A-C-QFN20R
Silicon Labs
1: $4.47
1,498Expected 2026/09/01

Mfr. Part No.
EFM8BB21F16A-C-QFN20R

Mouser Part No
634-BB21F16ACQFN20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1,498Expected 2026/09/01

Cut Tape

$4.47

$2.95

$2.67

$2.28

View

Reel

$1.90

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

16 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFP32
Silicon Labs
1: $5.20
1,043Expected 2026/10/16

Mfr. Part No.
EFM8LB12F32E-C-QFP32

Mouser Part No
634-LB12F32ECQFP32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

1,043Expected 2026/10/16

$5.20

$3.44

$3.13

$2.66

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

AT89C4051-12SU
Microchip Technology
1: $1.50
552On Order

Mfr. Part No.
AT89C4051-12SU

Mouser Part No
556-A89C405112SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

Datasheet

552On Order

$1.50

$1.38

$1.24

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

4 kB

8 bit

No ADC

12 MHz

15 I/O

128 B

2.7 V

6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB22F16I-C-QFN28
Silicon Labs
1: $3.19
1In Stock

Mfr. Part No.
EFM8BB22F16I-C-QFN28

Mouser Part No
634-8BB22F16ICQFN28

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1In Stock

$3.19

$2.08

$1.97

$1.64

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

22 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

C8051F130-GQR
Silicon Labs
1: $37.44
341In Stock
End of Life

Mfr. Part No.
C8051F130-GQR

Mouser Part No
634-C8051F130-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

Datasheet

341In Stock

Cut Tape

$37.44

$32.13

$30.68

$27.45

Reel

$26.83

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

128 kB

8 bit

100 MHz

64 I/O

8.25 kB

3 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F413-GM
Silicon Labs
1: $13.57
6,218In Stock
NRND

Mfr. Part No.
C8051F413-GM

Mouser Part No
634-C8051F413-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

6,218In Stock

$13.57

$11.13

$10.68

$9.40

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

16 kB

8 bit

12 bit

50 MHz

20 I/O

2.31 kB

2 V

5.25 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F16I-C-QFN32
Silicon Labs
1: $2.01
3,400On Order

Mfr. Part No.
EFM8BB52F16I-C-QFN32

Mouser Part No
634-EFMB52F16ICQFN32

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

3,400On Order

$2.01

$1.23

$1.04

$0.615

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F16I-C-QFN32R
Silicon Labs
1: $2.01
2,500Expected 2026/11/05

Mfr. Part No.
EFM8BB52F16I-C-QFN32R

Mouser Part No
634-EFM852F16IQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

2,500Expected 2026/11/05

Cut Tape

$2.01

$1.23

$1.04

$0.783

Reel

$0.483

View

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

QFN-32

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F921-G-GM
Silicon Labs
1: $4.31
932In Stock
End of Life

Mfr. Part No.
C8051F921-G-GM

Mouser Part No
634-C8051F921-G-GM

End of Life

Silicon Labs

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

Learn More

Datasheet

932In Stock

$4.31

$3.59

$3.02

$2.88

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

32 kB

8 bit

10 bit

25 MHz

16 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F413-GMR
Silicon Labs
1: $14.65
422In Stock
NRND

Mfr. Part No.
C8051F413-GMR

Mouser Part No
634-C8051F413-GMR

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

422In Stock

Cut Tape

$14.65

$11.13

$10.68

$9.40

View

Reel

$7.61

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

16 kB

8 bit

12 bit

50 MHz

20 I/O

2.31 kB

2 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F385-GM
Silicon Labs
1: $6.71
257In Stock

Mfr. Part No.
C8051F385-GM

Mouser Part No
634-C8051F385-GM

Silicon Labs

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

Learn More

Datasheet

257In Stock

$6.71

$5.57

$4.78

$4.57

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

64 kB

8 bit

48 MHz

25 I/O

4.35 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F64E-C-QFP32R
Silicon Labs
1: $4.26
500Expected 2026/10/23

Mfr. Part No.
EFM8LB12F64E-C-QFP32R

Mouser Part No
634-LB12F64ECQFP32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

500Expected 2026/10/23

Cut Tape

$4.26

$3.47

$3.01

$2.84

Reel

$2.48

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-32

CIP-51 8051

64 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

4.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape

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

C8051F380-GQ
Silicon Labs
1: $8.05
6,034In Stock
End of Life

Mfr. Part No.
C8051F380-GQ

Mouser Part No
634-C8051F380-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

6,034In Stock

$8.05

$6.68

$5.90

$5.63

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

64 kB

8 bit

10 bit

48 MHz

40 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48

C8051F380-GQR
Silicon Labs
1: $7.80
8,063In Stock
End of Life

Mfr. Part No.
C8051F380-GQR

Mouser Part No
634-C8051F380-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48

Datasheet

8,063In Stock

Cut Tape

$7.80

$6.47

$6.02

$5.47

Reel

$4.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-48

8051

64 kB

8 bit

10 bit

48 MHz

40 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

C8051F502-IMR
Silicon Labs
1: $13.68
301In Stock

Mfr. Part No.
C8051F502-IMR

Mouser Part No
634-C8051F502-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

Datasheet

301In Stock

Cut Tape

$13.68

$10.40

$9.97

$8.78

View

Reel

$7.11

Min.: 1
Mult.: 1

: 1,500

8051

8 bit

1.8 V

5.25 V

Reel, Cut Tape

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

C8051F120-GQR
Silicon Labs
1: $50.94
471In Stock
End of Life

Mfr. Part No.
C8051F120-GQR

Mouser Part No
634-C8051F120-GQR

End of Life

Silicon Labs

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

Datasheet

471In Stock

Cut Tape

$50.94

$42.12

$40.36

$38.22

Reel

$35.52

Quote

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

128 kB

8 bit

8 bit, 12 bit

100 MHz

64 I/O

8.25 kB

3 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8051 microcontroller Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
LQFP-80
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O
33 I/O

128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB