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8051 Core 8-bit Microcontrollers - MCU

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Results: 554

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Core = 8051

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Part #

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GM
Silicon Labs
1: $4.96
310In Stock
End of Life

Mfr. Part No.
C8051F931-G-GM

Mouser Part No
634-C8051F931-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

310In Stock

$4.96

$4.12

$3.48

$3.42

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GMR
Silicon Labs
1: $5.58
99In Stock
End of Life

Mfr. Part No.
C8051F931-G-GMR

Mouser Part No
634-C8051F931-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

99In Stock

Cut Tape

$5.58

$4.54

$4.19

$3.74

Reel

$3.08

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

64 kB

4.25 kB

25 MHz

10 bit

16 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU CAN/C51 Boot CAN

AT89C51CC02CA-RATUM
Microchip Technology
1: $8.17
500Expected 24/08/2026

Mfr. Part No.
AT89C51CC02CA-RATUM

Mouser Part No
556-A89C51C02CARATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN/C51 Boot CAN

Learn More

Datasheet

500Expected 24/08/2026

$8.17

Min.: 1
Mult.: 1

8051

16 kB

512 B

VQFP-32

40 MHz

10 bit

20 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
1,413Expected 28/09/2026

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

1,413Expected 28/09/2026

$10.31

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 8KB,24ADC,28Pin MCU

C8051F351-GM
Silicon Labs
1: $14.61
1,528Expected 18/08/2026

Mfr. Part No.
C8051F351-GM

Mouser Part No
634-C8051F351-GM

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

Datasheet

1,528Expected 18/08/2026

$14.61

$12.12

$10.55

$10.14

View

Min.: 1
Mult.: 1

8051

8 kB

768 B

QFN-28

50 MHz

24 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F351

Tube

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

C8051F390-A-GM
Silicon Labs
1: $3.97
1,862Expected 18/08/2026

Mfr. Part No.
C8051F390-A-GM

Mouser Part No
634-C8051F390-A-GM

Silicon Labs

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

Learn More

Datasheet

1,862Expected 18/08/2026

$3.97

$3.31

$2.78

$2.65

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-24

50 MHz

10 bit

21 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

C8051F390

Tube

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: $2.95
3,674Expected 08/09/2026

Mfr. Part No.
C8051F860-C-GSR

Mouser Part No
634-C8051F860-C-GSR

Silicon Labs

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

Learn More

Datasheet

3,674Expected 08/09/2026

Cut Tape

$2.95

$2.42

$2.23

$1.98

Reel

$1.51

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: $8.52
6,694Expected 01/01/2027
End of Life

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

6,694Expected 01/01/2027

$8.52

$5.95

$5.68

$4.57

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F530A

Tube

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

AT89LP51ID2-20AU
Microchip Technology
1: $6.03
480Expected 19/11/2026

Mfr. Part No.
AT89LP51ID2-20AU

Mouser Part No
556-AT89LP51ID2-20AU

Microchip Technology

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

Learn More

Datasheet

480Expected 19/11/2026

$6.03

Min.: 1
Mult.: 1

8051

64 kB

256 B

TQFP-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 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

C8051F301-GMR
Silicon Labs
1: $8.78
3,000Expected 11/12/2026

Mfr. Part No.
C8051F301-GMR

Mouser Part No
634-C8051F301-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

Datasheet

3,000Expected 11/12/2026

Cut Tape

$8.78

$6.58

$6.28

$5.45

View

Reel

$4.29

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

8 kB

256 B

QFN-11

25 MHz

No ADC

8 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F301

Reel, Cut Tape, MouseReel

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

C8051F330-GM
Silicon Labs
1: $9.86
1,911Expected 16/10/2026
NRND

Mfr. Part No.
C8051F330-GM

Mouser Part No
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

1,911Expected 16/10/2026

$9.86

$8.17

$6.97

$6.68

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 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

AT89C4051-12SU
Microchip Technology
1: $1.50
552On Order

Mfr. Part No.
AT89C4051-12SU

Mouser Part No
556-A89C405112SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

Datasheet

552On Order

$1.50

Min.: 1
Mult.: 1

8051

4 kB

128 B

SOIC-20

12 MHz

No ADC

15 I/O

2.7 V

6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89LP51ED2-20PU
Microchip Technology
1: $5.90
140Expected 18/08/2026

Mfr. Part No.
AT89LP51ED2-20PU

Mouser Part No
556-AT89LP51ED2-20PU

Microchip Technology

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

Learn More

Datasheet

140Expected 18/08/2026

$5.90

Min.: 1
Mult.: 1

8051

64 kB

256 B

PDIP-40

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: $31.33
99Expected 13/11/2026
End of Life

Mfr. Part No.
C8051F006-GQ

Mouser Part No
634-C8051F006-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

Datasheet

99Expected 13/11/2026

$31.33

$26.40

$25.05

$22.79

$21.89

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-48

25 MHz

12 bit

16 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F006

Tray

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

C8051F040-GQ
Silicon Labs
1: $33.03
425Expected 30/10/2026
End of Life

Mfr. Part No.
C8051F040-GQ

Mouser Part No
634-C8051F040-GQ

End of Life

Silicon Labs

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

Datasheet

425Expected 30/10/2026

$33.03

$28.35

$27.08

$24.21

$23.10

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-100

25 MHz

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F040

Tray

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

C8051F042-GQR
Silicon Labs
1: $28.77
246Expected 11/09/2026
End of Life

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

End of Life

Silicon Labs

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

Datasheet

246Expected 11/09/2026

Cut Tape

$28.77

$23.97

$23.54

$22.81

Reel

$19.37

Min.: 1
Mult.: 1

: 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 8kB/768B RAM, QFN20 OTP available (T631-GM)

C8051F331-GMR
Silicon Labs
1: $10.61
1,500Expected 16/10/2026
End of Life

Mfr. Part No.
C8051F331-GMR

Mouser Part No
634-C8051F331-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

Datasheet

1,500Expected 16/10/2026

Cut Tape

$10.61

$8.20

$7.82

$6.79

View

Reel

$6.20

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

8 kB

768 B

QFN-20

25 MHz

No ADC

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F331

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

C8051F531-C-IT
Silicon Labs
1: $6.69
1,551Expected 01/01/2027
End of Life

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

Datasheet

1,551Expected 01/01/2027

$6.69

$5.55

$4.77

$4.73

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F531

AEC-Q100

Tube

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

C8051F580-IM
Silicon Labs
1: $18.44
810Expected 29/01/2027
End of Life

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

End of Life

Silicon Labs

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

Learn More

Datasheet

810Expected 29/01/2027

$18.44

$14.01

$12.84

$11.61

View

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

QFN-48

24 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F580

AEC-Q100

Tube

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

AT89C51AC3-RDTUM
Microchip Technology
1: $10.21
Lead-Time 8 Weeks

Mfr. Part No.
AT89C51AC3-RDTUM

Mouser Part No
556-A89C51AC3RDTUM

Microchip Technology

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

Learn More

Datasheet

Lead-Time 8 Weeks

$10.21

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 LPC/CAN/C51 BootUA IND

AT89C51CC02UA-RATUM
Microchip Technology
250: $8.17
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
AT89C51CC02UA-RATUM

Mouser Part No
556-A89C51C02UARATUM

Microchip Technology

8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$8.17

Min.: 250
Mult.: 250

8051

16 kB

512 B

VQFP-32

40 MHz

20 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51CC03CA-RDTUM
Microchip Technology
1: $11.03
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51CC03CA-RDTUM

Mouser Part No
556-A89C51C03CARDTUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

$11.03

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 C51ED2 64K FLASH 3-5.5V Ind

AT89C51ED2-RDRUM
Microchip Technology
1,500: $10.42
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51ED2-RDRUM

Mouser Part No
556-A89C51ED2RDRUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$10.42

Min.: 1,500
Mult.: 1,500

: 1,500

8051

64 kB

2 kB

LQFP-64

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51ED2-RDTUM
Microchip Technology
160: $10.42
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51ED2-RDTUM

Mouser Part No
556-A89C51ED2RDTUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$10.42

Min.: 160
Mult.: 160

8051

64 kB

2 kB

VQFP-64

60 MHz

No ADC

50 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51ED2-SLRUM
Microchip Technology
500: $10.52
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51ED2-SLRUM

Mouser Part No
556-A89C51ED2SLRUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$10.52

Min.: 500
Mult.: 500

: 500

8051

64 kB

2 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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
4 kB
4.25 kB
4.35 kB
8 kB
8.25 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
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F040
C8051F042
C8051F043
C8051F044
C8051F046
C8051F060
C8051F061