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8051 Core 8-bit Microcontrollers - MCU

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Results: 685

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Part #

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

C8051F043-GQ
Silicon Labs
1: $23.09
862In Stock
NRND

Mfr. Part No.
C8051F043-GQ

Mouser Part No
634-C8051F043-GQ

NRND

Silicon Labs

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

Datasheet

862In Stock

$23.09

$19.21

$18.03

$16.25

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-64

25 MHz

10 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F043

Tray

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

C8051F045-GQ
Silicon Labs
1: $18.85
778In Stock
NRND

Mfr. Part No.
C8051F045-GQ

Mouser Part No
634-C8051F045-GQ

NRND

Silicon Labs

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

Datasheet

778In Stock

$18.85

$15.68

$14.68

$13.17

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-64

25 MHz

8 bit, 10 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F045

Tray

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

C8051F060-GQ
Silicon Labs
1: $36.82
751In Stock
NRND

Mfr. Part No.
C8051F060-GQ

Mouser Part No
634-C8051F060-GQ

NRND

Silicon Labs

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

Datasheet

751In Stock

$36.82

$30.83

$27.13

$26.33

$25.96

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

C8051F060

Tray

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

C8051F124-GQ
Silicon Labs
1: $40.04
1,280In Stock
NRND

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

NRND

Silicon Labs

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

Datasheet

1,280In Stock

$40.04

$33.59

$29.61

$28.76

$28.47

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-100

50 MHz

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F124

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

C8051F125-GQ
Silicon Labs
1: $38.69
494In Stock
800Expected 2026/04/17
NRND

Mfr. Part No.
C8051F125-GQ

Mouser Part No
634-C8051F125-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

Datasheet

494In Stock

800Expected 2026/04/17

$38.69

$32.44

$30.59

$27.87

$27.42

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-64

50 MHz

12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F125

Tray

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

C8051F131-GQ
Silicon Labs
1: $32.08
438In Stock
NRND

Mfr. Part No.
C8051F131-GQ

Mouser Part No
634-C8051F131-GQ

NRND

Silicon Labs

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

Datasheet

438In Stock

$32.08

$26.82

$25.24

$22.90

$22.33

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-64

100 MHz

10 bit

32 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F131

Tray

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

C8051F580-IQ
Silicon Labs
1: $14.57
3,821In Stock

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

Silicon Labs

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

Learn More

Datasheet

3,821In Stock

$14.57

$12.10

$11.29

$10.34

View

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

PQFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F580

AEC-Q100

Tray

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

C8051F580-IQR
Silicon Labs
1: $14.57
5,327In Stock

Mfr. Part No.
C8051F580-IQR

Mouser Part No
634-C8051F580-IQR

Silicon Labs

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

Datasheet

5,327In Stock

Cut Tape

$14.57

$12.10

$11.29

$10.34

Reel

$9.54

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051

128 kB

8.25 kB

TQFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F580

Reel, Cut Tape, MouseReel

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

C8051F581-IM
Silicon Labs
1: $16.58
274In Stock

Mfr. Part No.
C8051F581-IM

Mouser Part No
634-C8051F581-IM

Silicon Labs

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

Learn More

Datasheet

274In Stock

$16.58

$13.30

$12.37

$11.23

View

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

QFN-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F581

AEC-Q100

Tube

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-MNL+
Analog Devices / Maxim Integrated
1: $83.62
304In Stock

Mfr. Part No.
DS87C520-MNL+

Mouser Part No
700-DS87C520-MNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

Learn More

Datasheet

304In Stock

$83.62

$69.51

$66.16

$62.12

Quote

Min.: 1
Mult.: 1

8051

16 kB

1 kB

PDIP-40

33 MHz

No ADC

32 I/O

4.5 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

DS87C520

Tube

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-QCL+
Analog Devices / Maxim Integrated
1: $67.51
299In Stock

Mfr. Part No.
DS87C520-QCL+

Mouser Part No
700-DS87C520-QCL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

Learn More

Datasheet

299In Stock

$67.51

$55.67

$52.94

$49.46

$47.90

Min.: 1
Mult.: 1

8051

16 kB

1 kB

PLCC-44

33 MHz

No ADC

32 I/O

4.5 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

DS87C520

Tube

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-QNL+
Analog Devices / Maxim Integrated
1: $78.47
1,216In Stock

Mfr. Part No.
DS87C520-QNL+

Mouser Part No
700-DS87C520-QNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

Learn More

Datasheet

1,216In Stock

$78.47

$65.21

$62.07

$58.29

Quote

Min.: 1
Mult.: 1

8051

16 kB

1 kB

PLCC-44

33 MHz

No ADC

32 I/O

4.5 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

DS87C520

Tube

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

C8051F342-GQ
Silicon Labs
1: $20.48
877In Stock
End of Life

Mfr. Part No.
C8051F342-GQ

Mouser Part No
634-C8051F342-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

877In Stock

$20.48

$17.04

$15.97

$14.68

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

LQFP-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F342

Tray

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

C8051F503-IQ
Silicon Labs
1: $10.39
1,559In Stock
End of Life

Mfr. Part No.
C8051F503-IQ

Mouser Part No
634-C8051F503-IQ

End of Life

Silicon Labs

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

Datasheet

1,559In Stock

$10.39

$8.61

$8.02

$7.30

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

C8051F503

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F506-IQ
Silicon Labs
1: $10.28
1,717In Stock
End of Life

Mfr. Part No.
C8051F506-IQ

Mouser Part No
634-C8051F506-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

1,717In Stock

$10.28

$8.54

$7.95

$7.25

View

Min.: 1
Mult.: 1

8051

32 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

C8051F506

AEC-Q100

Tray

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

AT89C51IC2T-RLTUM
Microchip Technology
1: $8.37
180In Stock

Mfr. Part No.
AT89C51IC2T-RLTUM

Mouser Part No
556-AT89C51IC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

Learn More

Datasheet

180In Stock

$8.37

$7.68

$6.97

Min.: 1
Mult.: 1

8051

32 kB

1.25 kB

TQFP-44

60 MHz

No ADC

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLRUL
Microchip Technology
1: $7.77
2,000In Stock

Mfr. Part No.
AT89C51RB2T-RLRUL

Mouser Part No
556-AT89C51RB2TLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

Learn More

Datasheet

2,000In Stock

Cut Tape

$7.77

$7.13

$6.45

Reel

$6.45

Min.: 1
Mult.: 1

Reel: 2,000

8051

16 kB

1.25 kB

TQFP-44

60 MHz

No ADC

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

AT89C2051-24SU
Microchip Technology
1: $1.44
2,181In Stock

Mfr. Part No.
AT89C2051-24SU

Mouser Part No
556-A89C2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

Datasheet

2,181In Stock

$1.44

$1.33

$1.20

Min.: 1
Mult.: 1

8051

2 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 C51AC2 32K FLASHADC EEP 5V

AT89C51AC2-SLSUM
Microchip Technology
1: $10.32
177In Stock

Mfr. Part No.
AT89C51AC2-SLSUM

Mouser Part No
556-A89C51AC2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V

Learn More

Datasheet

177In Stock

$10.32

$9.46

$8.56

Min.: 1
Mult.: 1

8051

32 kB

1.25 kB

PLCC-44

40 MHz

10 bit

34 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND

AT89C51CC01UA-SLSUM
Microchip Technology
1: $9.57
1,167In Stock

Mfr. Part No.
AT89C51CC01UA-SLSUM

Mouser Part No
556-A89C51C01UASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND

Learn More

Datasheet

1,167In Stock

$9.57

$8.76

$7.94

Min.: 1
Mult.: 1

8051

32 kB

1.2 kB

PLCC-44

40 MHz

10 bit

34 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-RDTUM
Microchip Technology
1: $10.71
738In Stock

Mfr. Part No.
AT89C51CC03UA-RDTUM

Mouser Part No
556-A89C51C03UARDTUM

Microchip Technology

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

Learn More

Datasheet

738In Stock

$10.71

$9.83

$8.89

Min.: 1
Mult.: 1

8051

64 kB

2 kB

VQFP-64

60 MHz

10 bit

36 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: $10.32
675In Stock

Mfr. Part No.
AT89C51ED2-SLSUM

Mouser Part No
556-A89C51ED2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Learn More

Datasheet

675In Stock

$10.32

$9.46

$8.56

Min.: 1
Mult.: 1

8051

64 kB

2 kB

PLCC-44

60 MHz

No ADC

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

AT89C51ED2-SMSUM
Microchip Technology
1: $10.97
1,069In Stock

Mfr. Part No.
AT89C51ED2-SMSUM

Mouser Part No
556-A89C51ED2SMSUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

Learn More

Datasheet

1,069In Stock

$10.97

$10.04

$9.11

Min.: 1
Mult.: 1

8051

64 kB

2 kB

PLCC-68

60 MHz

No ADC

48 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

AT89C51RB2-SLSUM
Microchip Technology
1: $7.51
1,944In Stock

Mfr. Part No.
AT89C51RB2-SLSUM

Mouser Part No
556-A89C51RB2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

Learn More

Datasheet

1,944In Stock

$7.51

$6.90

$6.26

Min.: 1
Mult.: 1

8051

16 kB

1.25 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

AT89C51RC-24PU
Microchip Technology
1: $5.18
795In Stock

Mfr. Part No.
AT89C51RC-24PU

Mouser Part No
556-A89C51RC-24PU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

Learn More

Datasheet

795In Stock

$5.18

$4.76

$4.75

Min.: 1
Mult.: 1

8051

32 kB

512 B

PDIP-40

24 MHz

No ADC

32 I/O

4 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

8051 Core 8-bit Microcontrollers - MCU

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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