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8051 Core 8-bit Microcontrollers - MCU

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Results: 695

Applied Filters:

Core = 8051

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Part #

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C450-QNL+
Analog Devices / Maxim Integrated
1: $74.85
55In Stock

Mfr. Part #
DS89C450-QNL+

Mouser Part #
700-DS89C450-QNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

55In Stock

$74.85

$64.02

$61.32

$55.58

$53.66

Min.: 1
Mult.: 1

8051

64 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

DS89C450

Tube

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

CY8C3245LTI-139
Infineon Technologies
1: $13.83
550In Stock

Mfr. Part #
CY8C3245LTI-139

Mouser Part #
727-CY8C3245LTI-139

Infineon Technologies

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

Learn More

Datasheet

550In Stock

$13.83

$10.76

$9.98

$9.15

View

Min.: 1
Mult.: 1

8051

32 kB

4 kB

QFN-48

50 MHz

12 bit

29 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3245

Tray

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246AXI-138
Infineon Technologies
1: $21.73
646In Stock

Mfr. Part #
CY8C3246AXI-138

Mouser Part #
727-CY8C3246AXI-138

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

646In Stock

$21.73

$17.41

$15.21

$14.76

View

Min.: 1
Mult.: 1

8051

64 kB

8 kB

TQFP-100

50 MHz

12 bit

72 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3246

Tray

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3446AXI-099
Infineon Technologies
1: $22.52
355In Stock

Mfr. Part #
CY8C3446AXI-099

Mouser Part #
727-CY8C3446AXI-099

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

355In Stock

$22.52

$17.79

$15.39

$14.90

View

Min.: 1
Mult.: 1

8051

64 kB

8 kB

TQFP-100

50 MHz

12 bit

72 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3446

Tray

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866AXI-040
Infineon Technologies
1: $38.61
131In Stock

Mfr. Part #
CY8C3866AXI-040

Mouser Part #
727-CY8C3866AXI-040

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

131In Stock

$38.61

$31.03

$27.20

$26.40

View

Min.: 1
Mult.: 1

8051

64 kB

8 kB

TQFP-100

67 MHz

20 bit

72 I/O

1.71 V

1.89 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3866

Tray

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

CY8C3866AXI-208
Infineon Technologies
1: $33.99
262In Stock

Mfr. Part #
CY8C3866AXI-208

Mouser Part #
727-CY8C3866AXI-208

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

Learn More

Datasheet

262In Stock

$33.99

$27.22

$23.78

$23.06

View

Min.: 1
Mult.: 1

8051

64 kB

8 kB

TQFP-100

67 MHz

20 bit

62 I/O

1.71 V

1.89 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3866

Tray

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866PVI-070
Infineon Technologies
1: $29.11
287In Stock

Mfr. Part #
CY8C3866PVI-070

Mouser Part #
727-CY8C3866PVI-070

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

287In Stock

$29.11

$23.25

$21.02

$20.66

View

Min.: 1
Mult.: 1

8051

64 kB

8 kB

SSOP-48

67 MHz

20 bit

29 I/O

1.71 V

1.89 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3866

Tube

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

C8051F042-GQR
Silicon Labs
1: $44.45
75In Stock
NRND

Mfr. Part #
C8051F042-GQR

Mouser Part #
634-C8051F042-GQR

NRND

Silicon Labs

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

Datasheet

75In Stock

Cut Tape

$44.45

$38.47

Reel

$28.32

View

Min.: 1
Mult.: 1

Reel: 250

8051

64 kB

4.25 kB

TQFP-100

25 MHz

10 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F042

Reel, Cut Tape

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

C8051F043-GQR
Silicon Labs
1: $42.64
287In Stock
NRND

Mfr. Part #
C8051F043-GQR

Mouser Part #
634-C8051F043-GQR

NRND

Silicon Labs

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

Datasheet

287In Stock

Cut Tape

$42.64

$33.36

$31.87

$28.49

View

Reel

$25.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

C8051F043

Reel, Cut Tape, MouseReel

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

C8051F064-GQR
Silicon Labs
1: $47.45
240In Stock
NRND

Mfr. Part #
C8051F064-GQR

Mouser Part #
634-C8051F064-GQR

NRND

Silicon Labs

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

Datasheet

240In Stock

Cut Tape

$47.45

$40.10

$38.30

$34.26

Reel

$32.57

View

Min.: 1
Mult.: 1

Reel: 250

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

Reel, Cut Tape

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

C8051F127-GQ
Silicon Labs
1: $47.06
197In Stock
NRND

Mfr. Part #
C8051F127-GQ

Mouser Part #
634-C8051F127-GQ

NRND

Silicon Labs

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

Datasheet

197In Stock

$47.06

$39.39

$37.43

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-64

50 MHz

8 bit, 10 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F127

Tray

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

C8051F130-GQR
Silicon Labs
1: $55.78
341In Stock
NRND

Mfr. Part #
C8051F130-GQR

Mouser Part #
634-C8051F130-GQR

NRND

Silicon Labs

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

Datasheet

341In Stock

Cut Tape

$55.78

$49.79

$47.54

$42.52

Reel

$40.55

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

8051

128 kB

8.25 kB

TQFP-100

100 MHz

64 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F130

Reel, Cut Tape, MouseReel

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

C8051F132-GQ
Silicon Labs
1: $43.83
117In Stock
NRND

Mfr. Part #
C8051F132-GQ

Mouser Part #
634-C8051F132-GQ

NRND

Silicon Labs

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

Datasheet

117In Stock

$43.83

$36.58

$31.98

$30.95

View

Min.: 1
Mult.: 1

8051

64 kB

8.25 kB

TQFP-100

100 MHz

10 bit

64 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F132

Tray

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

C8051F330-GM
Silicon Labs
1: $13.76
487In Stock
NRND

Mfr. Part #
C8051F330-GM

Mouser Part #
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

487In Stock

$13.76

$11.42

$9.72

$9.32

View

Min.: 1
Mult.: 1

8051

8 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

C8051F330

Tube

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

C8051F412-GQ
Silicon Labs
1: $21.70
496In Stock
1,250Expected 2026-05-01
NRND

Mfr. Part #
C8051F412-GQ

Mouser Part #
634-C8051F412-GQ

NRND

Silicon Labs

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

Datasheet

496In Stock

1,250Expected 2026-05-01

$21.70

$17.55

$16.09

$14.60

View

Min.: 1
Mult.: 1

8051

16 kB

2.31 kB

LQFP-32

50 MHz

12 bit

24 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F412

Tray

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

C8051F412-GQR
Silicon Labs
1: $26.64
294In Stock
NRND

Mfr. Part #
C8051F412-GQR

Mouser Part #
634-C8051F412-GQR

NRND

Silicon Labs

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

Datasheet

294In Stock

Cut Tape

$26.64

$20.91

$20.04

$17.67

Reel

$15.66

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051

16 kB

2.31 kB

LQFP-32

50 MHz

12 bit

24 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F412

Reel, Cut Tape, MouseReel

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

C8051F850-C-GM
Silicon Labs
1: $3.18
1,513In Stock
NRND

Mfr. Part #
C8051F850-C-GM

Mouser Part #
634-C8051F850-C-GM

NRND

Silicon Labs

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

Learn More

Datasheet

1,513In Stock

$3.18

$2.67

$2.46

$2.19

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

+ 85 C

C8051F850

AEC-Q100

Tube

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

C8051F860-C-GS
Silicon Labs
1: $3.83
400In Stock
NRND

Mfr. Part #
C8051F860-C-GS

Mouser Part #
634-C8051F860-C-GS

NRND

Silicon Labs

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

Learn More

Datasheet

400In Stock

$3.83

$3.22

$2.84

$2.60

View

Min.: 1
Mult.: 1

8051

8 kB

512 B

SOIC-16

25 MHz

12 bit

13 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F860

AEC-Q100

Tube

8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V

AT89C2051-24PU
Microchip Technology
1: $3.22
1,970In Stock

Mfr. Part #
AT89C2051-24PU

Mouser Part #
556-A89C2051-24PU

Microchip Technology

8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V

Datasheet

1,970In Stock

$3.22

$2.96

$2.67

Min.: 1
Mult.: 1

8051

2 kB

128 B

PDIP-20

24 MHz

No ADC

15 I/O

4 V

6 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89C4051-24PU
Microchip Technology
1: $3.29
1,412In Stock

Mfr. Part #
AT89C4051-24PU

Mouser Part #
556-A89C4051-24PU

Microchip Technology

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

Datasheet

1,412In Stock

$3.29

$3.01

$2.73

Min.: 1
Mult.: 1

8051

4 kB

128 B

PDIP-20

24 MHz

No ADC

15 I/O

4 V

6 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

AT89C51AC3-SLSUM
Microchip Technology
1: $16.62
437In Stock

Mfr. Part #
AT89C51AC3-SLSUM

Mouser Part #
556-A89C51AC3SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

Learn More

Datasheet

437In Stock

$16.62

$15.25

$13.80

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 64K FLASH 32KHz 3.5-5V Ind.

AT89C51ID2-SLSUM
Microchip Technology
1: $19.64
594In Stock

Mfr. Part #
AT89C51ID2-SLSUM

Mouser Part #
556-A89C51ID2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind.

Learn More

Datasheet

594In Stock

$19.64

$18.00

$16.31

Min.: 1
Mult.: 1

8051

64 kB

1.75 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 C51RB2 FLASH 3V 16k Ind

AT89C51RB2-SLSUL
Microchip Technology
1: $12.63
316In Stock

Mfr. Part #
AT89C51RB2-SLSUL

Mouser Part #
556-A89C51RB2SLSUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind

Learn More

Datasheet

316In Stock

$12.63

$11.61

$10.46

Min.: 1
Mult.: 1

8051

16 kB

1.25 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89LP4052-20PU
Microchip Technology
1: $4.17
667In Stock

Mfr. Part #
AT89LP4052-20PU

Mouser Part #
556-A89LP4052-20PU

Microchip Technology

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

Datasheet

667In Stock

$4.17

$3.81

$3.77

Min.: 1
Mult.: 1

8051

4 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 2K FLASH 24MHZ SOIC

AT89S2051-24SU
Microchip Technology
1: $4.05
676In Stock

Mfr. Part #
AT89S2051-24SU

Mouser Part #
556-A89S2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

Datasheet

676In Stock

$4.05

$3.70

$3.38

Min.: 1
Mult.: 1

8051

2 kB

256 B

SOIC-20

24 MHz

No ADC

15 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89S

Tube

8051 Core 8-bit Microcontrollers - MCU

Mouser Electronics®

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