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8051 Core 8-bit Microcontrollers - MCU

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Results: 685

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Core = 8051

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Part #

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

C8051F005-GQ
Silicon Labs
1: 184,19 kr.
17In Stock
800Expected 17/03/2026
NRND

Mfr. Part No.
C8051F005-GQ

Mouser Part No
634-C8051F005-GQ

NRND

Silicon Labs

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

Datasheet

17In Stock

800Expected 17/03/2026

184,19 kr.

153,75 kr.

144,57 kr.

130,85 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-64

25 MHz

12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F005

Tray

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

C8051F064-GQ
Silicon Labs
1: 175,16 kr.
2In Stock
NRND

Mfr. Part No.
C8051F064-GQ

Mouser Part No
634-C8051F064-GQ

NRND

Silicon Labs

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

Datasheet

2In Stock

175,16 kr.

146,07 kr.

127,64 kr.

123,54 kr.

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-100

25 MHz

16 bit

59 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F064

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

C8051F334-GM
Silicon Labs
1: 53,26 kr.
47In Stock
NRND

Mfr. Part No.
C8051F334-GM

Mouser Part No
634-C8051F334-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

Datasheet

47In Stock

53,26 kr.

37,23 kr.

35,51 kr.

30,81 kr.

View

Min.: 1
Mult.: 1

8051

2 kB

768 B

QFN-20

25 MHz

10 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F334

Tube

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

C8051F850-C-IM
Silicon Labs
1: 27,75 kr.
93In Stock
NRND

Mfr. Part No.
C8051F850-C-IM

Mouser Part No
634-C8051F850-C-IM

NRND

Silicon Labs

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

Learn More

Datasheet

93In Stock

27,75 kr.

17,90 kr.

12,61 kr.

10,97 kr.

View

Min.: 1
Mult.: 1

8051

8 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F850

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51BB9AE
Nuvoton
1: 5,13 kr.
800In Stock

Mfr. Part No.
ML51BB9AE

Mouser Part No
503-ML51BB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

800In Stock

5,13 kr.

4,39 kr.

3,72 kr.

3,51 kr.

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

MSOP-10

24 MHz

12 bit

7 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51FB9AE
Nuvoton
1: 5,90 kr.
666In Stock

Mfr. Part No.
ML51FB9AE

Mouser Part No
503-ML51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

666In Stock

5,90 kr.

5,04 kr.

4,28 kr.

4,04 kr.

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

TSSOP-20

24 MHz

12 bit

16 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51XB9AE
Nuvoton
1: 5,90 kr.
980In Stock

Mfr. Part No.
ML51XB9AE

Mouser Part No
503-ML51XB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

980In Stock

5,90 kr.

5,04 kr.

4,68 kr.

4,18 kr.

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-20

24 MHz

12 bit

17 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

ML56LD1AE
Nuvoton
1: 13,73 kr.
180In Stock

Mfr. Part No.
ML56LD1AE

Mouser Part No
503-ML56LD1AE

Nuvoton

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

Learn More

Datasheet

180In Stock

13,73 kr.

11,64 kr.

10,74 kr.

9,62 kr.

View

Min.: 1
Mult.: 1

8051

64 kB

4 kB

LQFP-48

24 MHz

12 bit

42 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

MS51BA9AE
Nuvoton
1: 4,17 kr.
600In Stock

Mfr. Part No.
MS51BA9AE

Mouser Part No
503-MS51BA9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

600In Stock

4,17 kr.

3,57 kr.

3,03 kr.

2,86 kr.

View

Min.: 1
Mult.: 1

8051

8 kB

1 kB

MSOP-10

24 MHz

12 bit

8 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51EC0AE
Nuvoton
1: 5,90 kr.
1.000In Stock

Mfr. Part No.
MS51EC0AE

Mouser Part No
503-MS51EC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

1.000In Stock

5,90 kr.

5,04 kr.

4,42 kr.

4,17 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

2 kB

TSSOP-28

24 MHz

12 bit

26 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

MS51FB9AE
Nuvoton
1: 4,49 kr.
3.007In Stock

Mfr. Part No.
MS51FB9AE

Mouser Part No
503-MS51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

3.007In Stock

4,49 kr.

3,83 kr.

3,27 kr.

3,08 kr.

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

TSSOP-20

24 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 32K Bytes Shared with LDROM

MS51FC0AE
Nuvoton
1: 5,13 kr.
814In Stock

Mfr. Part No.
MS51FC0AE

Mouser Part No
503-MS51FC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

814In Stock

5,13 kr.

4,39 kr.

4,19 kr.

3,53 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

2 kB

TSSOP-20

24 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 32K Bytes Shared with LDROM

MS51PC0AE
Nuvoton
1: 7,06 kr.
1.353In Stock

Mfr. Part No.
MS51PC0AE

Mouser Part No
503-MS51PC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

1.353In Stock

7,06 kr.

6,00 kr.

5,57 kr.

4,98 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

2 kB

LQFP-32

24 MHz

12 bit

30 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51TC0AE
Nuvoton
1: 5,90 kr.
975In Stock

Mfr. Part No.
MS51TC0AE

Mouser Part No
503-MS51TC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

975In Stock

5,90 kr.

5,04 kr.

4,68 kr.

4,18 kr.

View

Min.: 1
Mult.: 1

8051

32 kB

2 kB

QFN-33

24 MHz

12 bit

30 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

MS51XB9AE
Nuvoton
1: 3,85 kr.
899In Stock

Mfr. Part No.
MS51XB9AE

Mouser Part No
503-MS51XB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

Learn More

Datasheet

899In Stock

3,85 kr.

3,32 kr.

3,10 kr.

2,77 kr.

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-20

24 MHz

12 bit

18 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V

AT89C2051-12PU
Microchip Technology
1: 13,35 kr.
671In Stock

Mfr. Part No.
AT89C2051-12PU

Mouser Part No
556-A89C205112PU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V

Datasheet

671In Stock

13,35 kr.

12,23 kr.

11,04 kr.

Min.: 1
Mult.: 1

8051

2 kB

128 B

PDIP-20

12 MHz

No ADC

15 I/O

2.7 V

6 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

AT89C51CC03CA-SLSUM
Microchip Technology
1: 74,30 kr.
97In Stock

Mfr. Part No.
AT89C51CC03CA-SLSUM

Mouser Part No
556-A89C51C03CASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

Learn More

Datasheet

97In Stock

74,30 kr.

68,26 kr.

61,69 kr.

Min.: 1
Mult.: 1

8051

64 kB

2 kB

PLCC-44

60 MHz

10 bit

36 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

AT89C51CC03UA-SLSUM
Microchip Technology
1: 74,30 kr.
134In Stock

Mfr. Part No.
AT89C51CC03UA-SLSUM

Mouser Part No
556-A89C51C03UASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

Learn More

Datasheet

134In Stock

74,30 kr.

68,26 kr.

61,69 kr.

Min.: 1
Mult.: 1

8051

64 kB

2 kB

PLCC-44

60 MHz

10 bit

36 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-3CSUM
Microchip Technology
1: 48,12 kr.
77In Stock
140Expected 03/03/2026

Mfr. Part No.
AT89C51RB2-3CSUM

Mouser Part No
556-A89C51RB2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

77In Stock

140Expected 03/03/2026

48,12 kr.

44,16 kr.

39,99 kr.

Min.: 1
Mult.: 1

8051

16 kB

1.25 kB

PDIP-40

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

AT89C51RD2-SLRUM
Microchip Technology
1: 59,16 kr.
136In Stock

Mfr. Part No.
AT89C51RD2-SLRUM

Mouser Part No
556-A89C51RD2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

Learn More

Datasheet

136In Stock

Cut Tape

59,16 kr.

54,31 kr.

49,16 kr.

Reel

49,16 kr.

Min.: 1
Mult.: 1

Reel: 500

8051

64 kB

2 kB

PLCC-44

60 MHz

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V

AT89LP2052-20PU
Microchip Technology
1: 17,31 kr.
265In Stock

Mfr. Part No.
AT89LP2052-20PU

Mouser Part No
556-A89LP2052-20PU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V

Datasheet

265In Stock

17,31 kr.

16,04 kr.

Min.: 1
Mult.: 1

8051

2 kB

256 B

PDIP-20

20 MHz

No ADC

15 I/O

2.4 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

89LP

Tube

8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V

AT89LP4052-20XU
Microchip Technology
1: 17,98 kr.
73In Stock

Mfr. Part No.
AT89LP4052-20XU

Mouser Part No
556-A89LP4052-20XU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V

Datasheet

73In Stock

17,98 kr.

16,41 kr.

Min.: 1
Mult.: 1

8051

4 kB

256 B

TSSOP-20

20 MHz

No ADC

15 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89LP

Tube

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

AT89LP51RD2-20AAU
Microchip Technology
1: 32,75 kr.
160In Stock
160Expected 16/04/2026

Mfr. Part No.
AT89LP51RD2-20AAU

Mouser Part No
556-AT89LP51RD220AAU

Microchip Technology

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

Learn More

Datasheet

160In Stock

160Expected 16/04/2026

32,75 kr.

30,06 kr.

27,30 kr.

Min.: 1
Mult.: 1

8051

64 kB

256 B

LQFP-44

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

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

C8051F502-IQ
Silicon Labs
1: 69,75 kr.
46In Stock
1.250Expected 27/03/2026
End of Life

Mfr. Part No.
C8051F502-IQ

Mouser Part No
634-C8051F502-IQ

End of Life

Silicon Labs

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

Datasheet

46In Stock

1.250Expected 27/03/2026

69,75 kr.

57,82 kr.

53,86 kr.

49,16 kr.

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F502

AEC-Q100

Tray

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

C8051F381-GMR
Silicon Labs
1: 39,46 kr.
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

39,46 kr.

32,75 kr.

30,51 kr.

27,53 kr.

View

Reel

23,72 kr.

Min.: 1
Mult.: 1

Reel: 1.500

8051

64 kB

4.25 kB

QFN-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F381

Reel, Cut Tape

8051 Core 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

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
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB

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-40
QFN-48

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

80C
89C
89LP
89LS
89S
AT89C55WD
C8051F005
C8051F006
C8051F007
C8051F015
C8051F016
C8051F017
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F023
C8051F040
C8051F041