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8051 microcontroller 8-bit Microcontrollers - MCU

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Part #

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

EFM8BB31F16G-D-QFN32R
Silicon Labs
1: 11,94 kr.
4.177In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN32R

Mouser Part No
634-EF8BB31F16GDN32R

Silicon Labs

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

Learn More

Datasheet

4.177In Stock

Cut Tape

11,94 kr.

9,85 kr.

8,50 kr.

8,06 kr.

Reel

6,06 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

CIP-51 8051

16 kB

2.3 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8LB12F64E-C-QFN32
Silicon Labs
1: 23,20 kr.
2.603In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN32

Mouser Part No
634-LB12F64ECQFN32

Silicon Labs

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

Learn More

Datasheet

2.603In Stock

23,20 kr.

19,47 kr.

17,08 kr.

16,19 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

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

EFM8LB12F64E-C-QFN32R
Silicon Labs
1: 22,98 kr.
4.062In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN32R

Mouser Part No
634-LB12F64ECQFN32R

Silicon Labs

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

Learn More

Datasheet

4.062In Stock

Cut Tape

22,98 kr.

18,80 kr.

16,26 kr.

15,37 kr.

Reel

11,64 kr.

View

Min.: 1
Mult.: 1

: 2.500

CIP-51 8051

64 kB

4.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

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

EFM8LB12F64E-C-QFP32
Silicon Labs
1: 24,54 kr.
4.815In Stock
6.250Expected 12/03/2027

Mfr. Part No.
EFM8LB12F64E-C-QFP32

Mouser Part No
634-LB12F64ECQFP32

Silicon Labs

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

Learn More

Datasheet

4.815In Stock

6.250Expected 12/03/2027

24,54 kr.

20,52 kr.

18,05 kr.

17,16 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFP-32

72 MHz

10 bit/12 bit/14 bit

28 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

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

EFM8BB22F16G-C-QFN28R
Silicon Labs
1: 16,19 kr.
2.666In Stock

Mfr. Part No.
EFM8BB22F16G-C-QFN28R

Mouser Part No
634-8BB22F16GCQFN28R

Silicon Labs

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

Learn More

Datasheet

2.666In Stock

Cut Tape

16,19 kr.

12,53 kr.

11,34 kr.

9,62 kr.

Reel

8,06 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

16 kB

2.3 kB

QFN-28

50 MHz

12 bit

22 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8BB2

Reel, Cut Tape, MouseReel

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

CY8C3445PVI-094
Infineon Technologies
1: 79,15 kr.
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

79,15 kr.

70,72 kr.

54,68 kr.

54,01 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

4 kB

SSOP-48

50 MHz

12 bit

29 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3445

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN28R
Silicon Labs
1: 17,38 kr.
4.493In Stock

Mfr. Part No.
EFM8UB10F16G-C-QFN28R

Mouser Part No
634-8UB10F16GCQFN28R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

4.493In Stock

Cut Tape

17,38 kr.

14,62 kr.

12,83 kr.

12,16 kr.

Reel

8,36 kr.

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

16 kB

2.25 kB

QFN-28

50 MHz

12 bit

22 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

Reel, Cut Tape

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

EFM8LB12F64E-C-QFN24R
Silicon Labs
1: 22,23 kr.
4.091In Stock

Mfr. Part No.
EFM8LB12F64E-C-QFN24R

Mouser Part No
634-LB12F64ECQFN24R

Silicon Labs

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

Learn More

Datasheet

4.091In Stock

Cut Tape

22,23 kr.

18,13 kr.

15,74 kr.

14,92 kr.

Reel

11,71 kr.

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

64 kB

4.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32I-D-4QFN24R
Silicon Labs
1: 21,34 kr.
1.520In Stock

Mfr. Part No.
EFM8BB31F32I-D-4QFN24R

Mouser Part No
634-EF8BB31F32ID424R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1.520In Stock

Cut Tape

21,34 kr.

14,02 kr.

12,98 kr.

11,26 kr.

Reel

8,73 kr.

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

32 kB

2.3 kB

QFN-24

50 MHz

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Reel, Cut Tape

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

EFM8BB31F64I-D-QFN32
Silicon Labs
1: 27,90 kr.
1.599In Stock

Mfr. Part No.
EFM8BB31F64I-D-QFN32

Mouser Part No
634-EF8BB31F64IDQN32

Silicon Labs

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

Learn More

Datasheet

1.599In Stock

27,90 kr.

18,50 kr.

16,79 kr.

14,32 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.35 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Tray

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85

N76E003AT20
Nuvoton
1: 5,33 kr.
485In Stock
888Expected 20/04/2027

Mfr. Part No.
N76E003AT20

Mouser Part No
503-N76E003AT20

Nuvoton

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85

Datasheet

485In Stock

888Expected 20/04/2027

5,33 kr.

4,56 kr.

3,89 kr.

3,66 kr.

View

Min.: 1
Mult.: 1

8051

18 kB

256 B

TSSOP-20

16 MHz

12 bit

18 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

AT89C4051-24SU
Microchip Technology
1: 9,55 kr.
695In Stock

Mfr. Part No.
AT89C4051-24SU

Mouser Part No
556-A89C4051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

Datasheet

695In Stock

9,55 kr.

9,47 kr.

8,58 kr.

Min.: 1
Mult.: 1

8051

4 kB

128 B

SOIC-20

24 MHz

No ADC

15 I/O

4 V

6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F4G-A-QFN20
Silicon Labs
1: 15,89 kr.
22In Stock

Mfr. Part No.
EFM8SB10F4G-A-QFN20

Mouser Part No
634-8SB10F4GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

22In Stock

15,89 kr.

10,29 kr.

8,65 kr.

7,53 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

4 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

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

EFM8SB10F8G-A-CSP16
Silicon Labs
1: 11,94 kr.
1.669In Stock

Mfr. Part No.
EFM8SB10F8G-A-CSP16

Mouser Part No
634-8SB10F8G-A-CSP16

Silicon Labs

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

Learn More

Datasheet

1.669In Stock

11,94 kr.

10,07 kr.

8,88 kr.

7,98 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

512 B

CSP-16

25 MHz

12 bit

13 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFN32
Silicon Labs
1: 23,42 kr.
325In Stock

Mfr. Part No.
EFM8UB20F64G-B-QFN32

Mouser Part No
634-EFM8UBF64GBQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

325In Stock

23,42 kr.

19,55 kr.

16,71 kr.

15,82 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

48 MHz

10 bit

25 I/O

3.3 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Tube

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

EFM8BB52F16G-C-QFN20R
Silicon Labs
1: 6,03 kr.
2.499In Stock

Mfr. Part No.
EFM8BB52F16G-C-QFN20R

Mouser Part No
634-EFM852F16GQFN20R

Silicon Labs

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

Learn More

Datasheet

2.499In Stock

Cut Tape

6,03 kr.

5,19 kr.

4,56 kr.

4,31 kr.

Reel

3,13 kr.

View

Min.: 1
Mult.: 1

: 2.500

16 kB

1.28 kB

QFN-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F32G-C-QFN20
Silicon Labs
1: 11,71 kr.
2.189In Stock

Mfr. Part No.
EFM8BB52F32G-C-QFN20

Mouser Part No
634-EFM852F32GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

2.189In Stock

11,71 kr.

7,53 kr.

6,67 kr.

5,48 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

QFN-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

EFM8BB52F32I-C-TSSOP28
Silicon Labs
1: 8,95 kr.
86In Stock

Mfr. Part No.
EFM8BB52F32I-C-TSSOP28

Mouser Part No
634-EFM852F32ICTOP28

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

Learn More

Datasheet

86In Stock

8,95 kr.

7,61 kr.

6,74 kr.

6,11 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

TSSOP-28

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

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

EFM8SB10F8G-A-QSOP24
Silicon Labs
1: 11,26 kr.
152In Stock
End of Life

Mfr. Part No.
EFM8SB10F8G-A-QSOP24

Mouser Part No
634-8SB10F8GAQS24

End of Life

Silicon Labs

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

Learn More

Datasheet

152In Stock

11,26 kr.

9,55 kr.

8,28 kr.

7,83 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

512 B

QSOP-24

25 MHz

12 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFN32R
Silicon Labs
1: 25,96 kr.
163In Stock

Mfr. Part No.
EFM8UB20F64G-B-QFN32R

Mouser Part No
634-EFM8UB64GBQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

163In Stock

Cut Tape

25,96 kr.

21,26 kr.

18,43 kr.

17,38 kr.

Reel

13,50 kr.

View

Min.: 1
Mult.: 1

: 1.500

CIP-51 8051

64 kB

4.25 kB

QFN-32

48 MHz

10 bit

25 I/O

3.3 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Reel, Cut Tape

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

EFM8BB51F16G-C-QFN20
Silicon Labs
1: 6,67 kr.
151In Stock

Mfr. Part No.
EFM8BB51F16G-C-QFN20

Mouser Part No
634-EFM851F16GCQFN20

Silicon Labs

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

Learn More

Datasheet

151In Stock

6,67 kr.

5,71 kr.

5,02 kr.

4,47 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

QFN-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

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

EFM8BB51F16G-C-TSSOP20
Silicon Labs
1: 7,31 kr.
1.452In Stock

Mfr. Part No.
EFM8BB51F16G-C-TSSOP20

Mouser Part No
634-EFM8516GCTSSOP20

Silicon Labs

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

Learn More

Datasheet

1.452In Stock

7,31 kr.

6,18 kr.

5,48 kr.

4,70 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

TSSOP-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F4G-A-QFN20
Silicon Labs
1: 7,12 kr.
218In Stock

Mfr. Part No.
EFM8BB10F4G-A-QFN20

Mouser Part No
634-8BB10F4GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

218In Stock

7,12 kr.

6,07 kr.

5,34 kr.

4,97 kr.

View

Min.: 1
Mult.: 1

CIP-51 8051

4 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8BB1

Tube

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

EFM8BB51F16I-C-QFN20
Silicon Labs
1: 11,71 kr.
194In Stock

Mfr. Part No.
EFM8BB51F16I-C-QFN20

Mouser Part No
634-EFM851F16ICQFN20

Silicon Labs

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

Learn More

Datasheet

194In Stock

11,71 kr.

7,53 kr.

6,67 kr.

5,48 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

QFN-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

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

EFM8BB51F16I-C-TSSOP20
Silicon Labs
1: 7,68 kr.
146In Stock

Mfr. Part No.
EFM8BB51F16I-C-TSSOP20

Mouser Part No
634-EFM851F16TSSOP20

Silicon Labs

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

Learn More

Datasheet

146In Stock

7,68 kr.

6,61 kr.

5,78 kr.

5,22 kr.

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

TSSOP-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

8051 microcontroller 8-bit Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
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
QFN-68

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

89C
89LP
89S
BB50
C8051
C8051F005
C8051F006
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F040
C8051F042
C8051F043
C8051F044
C8051F045
C8051F046
C8051F060
C8051F061