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8051 Core 8-bit Microcontrollers - MCU

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Results: 679

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Core = 8051

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Part #

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

C8051F060-GQ
Silicon Labs
1: $36.81
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

$36.81

$30.83

$27.13

$26.32

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

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

$33.58

$29.61

$28.75

View

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 17/04/2026
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 17/04/2026

$38.69

$32.43

$30.58

$27.86

View

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: $32.07
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

$32.07

$26.81

$25.23

$22.89

View

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 64KB,10ADC,100Pin MCU

C8051F022-GQ
Silicon Labs
1: $30.46
526In Stock

Mfr. Part No.
C8051F022-GQ

Mouser Part No
634-C8051F022-GQ

Silicon Labs

8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU

Datasheet

526In Stock

$30.46

$25.45

$22.28

$21.59

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-100

25 MHz

8 bit, 10 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F022

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

$12.09

$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

$12.09

$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 EPROM/ROM High-Speed Microcontrollers

DS87C520-MNL+
Analog Devices / Maxim Integrated
1: $83.61
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

$83.61

$69.50

$66.15

$62.11

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: $67.50
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

$67.50

$55.66

$52.93

$49.45

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

0 C

+ 70 C

DS87C520

Tube

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

DS87C520-QNL+
Analog Devices / Maxim Integrated
1: $78.45
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

$78.45

$65.20

$62.06

$58.28

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 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

$7.67

$6.96

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
3,181In 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

3,181In 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: $10.31
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

$10.31

$9.45

$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

$8.75

$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

$9.82

$8.88

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: $10.31
767In 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

767In Stock

$10.31

$9.45

$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: $10.96
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

$10.96

$10.04

$9.10

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

$6.89

$6.25

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: $5.17
805In 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

805In Stock

$5.17

$4.75

$4.67

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

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

AT89C51RC2-3CSUM
Microchip Technology
1: $9.42
512In Stock

Mfr. Part No.
AT89C51RC2-3CSUM

Mouser Part No
556-A89C51RC2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

Learn More

Datasheet

512In Stock

$9.42

$8.65

$7.83

Min.: 1
Mult.: 1

8051

32 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 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51RD2-SLSUM
Microchip Technology
1: $9.01
1,723In Stock

Mfr. Part No.
AT89C51RD2-SLSUM

Mouser Part No
556-A89C51RD2SLSUM

Microchip Technology

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

Learn More

Datasheet

1,723In Stock

$9.01

$8.27

$7.49

Min.: 1
Mult.: 1

8051

64 kB

2 kB

PLCC-44

60 MHz

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89LP4052-20SU
Microchip Technology
1: $2.46
712In Stock
1,665Expected 27/03/2026

Mfr. Part No.
AT89LP4052-20SU

Mouser Part No
556-A89LP4052-20SU

Microchip Technology

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

Datasheet

712In Stock

1,665Expected 27/03/2026

$2.46

$2.25

$2.03

Min.: 1
Mult.: 1

8051

4 kB

256 B

SOIC-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 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24JU
Microchip Technology
1: $4.77
414In Stock

Mfr. Part No.
AT89S51-24JU

Mouser Part No
556-A89S51-24JU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

414In Stock

$4.77

$4.36

$4.29

Min.: 1
Mult.: 1

8051

4 kB

128 B

PLCC-44

24 MHz

No ADC

32 I/O

4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89S

Tube

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24PU
Microchip Technology
1: $3.32
1,706In Stock

Mfr. Part No.
AT89S51-24PU

Mouser Part No
556-A89S51-24PU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

1,706In Stock

$3.32

$3.05

$2.76

Min.: 1
Mult.: 1

8051

4 kB

128 B

PDIP-40

24 MHz

No ADC

32 I/O

4 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

89S

Tube

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