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8051 Core 8-bit Microcontrollers - MCU

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Results: 509

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Core = 8051

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Part #

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

C8051F064-GQ
Silicon Labs
1: $33.07
2In Stock
End of Life

Mfr. Part #
C8051F064-GQ

Mouser Part #
634-C8051F064-GQ

End of Life

Silicon Labs

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

Datasheet

2In Stock

$33.07

$26.57

$24.71

$22.60

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 100MIPS,128KB,12ADC,100Pin MCU

C8051F120-GQ
Silicon Labs
1: $53.89
5In Stock
2,250Expected 9/25/2026
End of Life

Mfr. Part #
C8051F120-GQ

Mouser Part #
634-C8051F120-GQ

End of Life

Silicon Labs

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

Datasheet

5In Stock

2,250Expected 9/25/2026

$53.89

$41.85

$38.71

$38.06

Quote

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-100

100 MHz

8 bit, 12 bit

64 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F120

Tray

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

C8051F125-GQ
Silicon Labs
1: $46.65
5In Stock
End of Life

Mfr. Part #
C8051F125-GQ

Mouser Part #
634-C8051F125-GQ

End of Life

Silicon Labs

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

Datasheet

5In Stock

$46.65

$38.58

$36.96

$35.02

$35.00

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 50 MHz 128 kB 8-bit MCU

C8051F127-GQ
Silicon Labs
1: $39.99
6In Stock
End of Life

Mfr. Part #
C8051F127-GQ

Mouser Part #
634-C8051F127-GQ

End of Life

Silicon Labs

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

Datasheet

6In Stock

$39.99

$33.52

$31.61

$28.79

$28.04

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

C8051F131-GQR
Silicon Labs
1: $34.51
20In Stock
End of Life

Mfr. Part #
C8051F131-GQR

Mouser Part #
634-C8051F131-GQR

End of Life

Silicon Labs

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

Datasheet

20In Stock

Cut Tape

$34.51

$28.88

$27.25

Reel

$27.06

Min.: 1
Mult.: 1

: 500

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

Reel, Cut Tape

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

C8051F132-GQ
Silicon Labs
1: $31.16
60In Stock
End of Life

Mfr. Part #
C8051F132-GQ

Mouser Part #
634-C8051F132-GQ

End of Life

Silicon Labs

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

Datasheet

60In Stock

$31.16

$27.14

$24.04

$23.11

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 USB-Flash-32k-ADC-TQFP48

C8051F382-GQR
Silicon Labs
1: $8.18
298In Stock
End of Life

Mfr. Part #
C8051F382-GQR

Mouser Part #
634-C8051F382-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48

Datasheet

298In Stock

Cut Tape

$8.18

$5.71

$5.45

$4.73

Reel

$4.37

View

Min.: 1
Mult.: 1

: 500

8051

32 kB

2.25 kB

TQFP-48

48 MHz

10 bit

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F382

Reel, Cut Tape

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

C8051F384-GQ
Silicon Labs
1: $8.44
202In Stock
End of Life

Mfr. Part #
C8051F384-GQ

Mouser Part #
634-C8051F384-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

202In Stock

$8.44

$6.33

$5.97

$5.28

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-48

48 MHz

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F384

Tray

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48

C8051F500-IQR
Silicon Labs
1: $13.15
23In Stock
End of Life

Mfr. Part #
C8051F500-IQR

Mouser Part #
634-C8051F500-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48

Datasheet

23In Stock

Cut Tape

$13.15

$10.36

$9.82

$9.06

Reel

$9.00

MouseReel Available

Min.: 1
Mult.: 1

: 500

8051

64 kB

4.25 kB

TQFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F500

Reel, Cut Tape, MouseReel

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

C8051F501-IQ
Silicon Labs
1: $12.58
20In Stock
End of Life

Mfr. Part #
C8051F501-IQ

Mouser Part #
634-C8051F501-IQ

End of Life

Silicon Labs

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

Datasheet

20In Stock

$12.58

$10.33

$9.26

$8.79

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F501

AEC-Q100

Tray

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

C8051F503-IM
Silicon Labs
1: $12.62
44In Stock
End of Life

Mfr. Part #
C8051F503-IM

Mouser Part #
634-C8051F503-IM

End of Life

Silicon Labs

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

Datasheet

44In Stock

$12.62

$10.26

$9.78

$8.49

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-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

Tube

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

C8051F505-IQ
Silicon Labs
1: $13.01
Non-Stocked Lead-Time 29 Weeks
End of Life

Mfr. Part #
C8051F505-IQ

Mouser Part #
634-C8051F505-IQ

End of Life

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 29 Weeks

$13.01

$10.58

$9.33

$8.44

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F505

AEC-Q100

Tray

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

C8051F505-IQR
Silicon Labs
1: $13.00
21In Stock
End of Life

Mfr. Part #
C8051F505-IQR

Mouser Part #
634-C8051F505-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

Datasheet

21In Stock

Cut Tape

$13.00

$10.57

$10.08

$8.75

$8.36

Reel

$8.02

Min.: 1
Mult.: 1

: 500

8051

32 kB

4.25 kB

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F505

Reel, Cut Tape

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

C8051F581-IM
Silicon Labs
1: $17.49
107In Stock
End of Life

Mfr. Part #
C8051F581-IM

Mouser Part #
634-C8051F581-IM

End of Life

Silicon Labs

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

Learn More

Datasheet

107In Stock

$17.49

$13.29

$12.74

$11.22

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 8051 50 MHz 128 kB 5 V 8-bit MCU

C8051F581-IQ
Silicon Labs
1: $17.37
15In Stock
End of Life

Mfr. Part #
C8051F581-IQ

Mouser Part #
634-C8051F581-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

15In Stock

$17.37

$14.15

$12.75

$11.67

$11.20

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

QFP-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

Tray

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

C8051F581-IQR
Silicon Labs
1: $17.63
15In Stock
End of Life

Mfr. Part #
C8051F581-IQR

Mouser Part #
634-C8051F581-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

Datasheet

15In Stock

Cut Tape

$17.63

$13.76

$12.43

$11.39

Reel

$10.56

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

Reel, Cut Tape, MouseReel

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

C8051F931-G-GM
Silicon Labs
1: $5.68
305In Stock
End of Life

Mfr. Part #
C8051F931-G-GM

Mouser Part #
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

305In Stock

$5.68

$4.72

$3.98

$3.80

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: $5.91
99In Stock
End of Life

Mfr. Part #
C8051F931-G-GMR

Mouser Part #
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

$5.91

$4.82

$4.19

$3.97

View

Reel

$2.94

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 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: $10.31
1,410Expected 9/4/2026

Mfr. Part #
AT89C51ED2-SLSUM

Mouser Part #
556-A89C51ED2SLSUM

Microchip Technology

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

Learn More

Datasheet

1,410Expected 9/4/2026

$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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: $5.52
1,497Expected 11/12/2026

Mfr. Part #
C8051F390-A-GMR

Mouser Part #
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

1,497Expected 11/12/2026

Cut Tape

$5.52

$3.79

$3.53

$3.11

View

Reel

$2.28

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

Reel, Cut Tape, MouseReel

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

C8051F860-C-GSR
Silicon Labs
1: $3.13
3,674Expected 9/15/2026

Mfr. Part #
C8051F860-C-GSR

Mouser Part #
634-C8051F860-C-GSR

Silicon Labs

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

Learn More

Datasheet

3,674Expected 9/15/2026

Cut Tape

$3.13

$2.57

$2.22

$2.08

Reel

$1.58

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 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: $34.21
248Expected 2/25/2027
End of Life

Mfr. Part #
C8051F006-GQ

Mouser Part #
634-C8051F006-GQ

End of Life

Silicon Labs

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

Datasheet

248Expected 2/25/2027

$34.21

$28.80

$26.00

$25.08

$24.09

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 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

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

Mfr. Part #
C8051F530A-IT

Mouser Part #
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 1/1/2027

$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 11/19/2026

Mfr. Part #
AT89LP51ID2-20AU

Mouser Part #
556-AT89LP51ID2-20AU

Microchip Technology

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

Learn More

Datasheet

480Expected 11/19/2026

$6.03

$5.52

$5.00

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 11/27/2026

Mfr. Part #
C8051F301-GMR

Mouser Part #
634-C8051F301-GMR

Silicon Labs

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

Datasheet

3,000Expected 11/27/2026

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

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