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8051 microcontroller 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GM
Silicon Labs
1: $4.97
63In Stock
End of Life

Mfr. Part No.
C8051F920-G-GM

Mouser Part No
634-C8051F920-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

63In Stock

$4.97

$4.14

$3.54

$3.37

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

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

C8051F500-IM
Silicon Labs
1: $13.53
181In Stock
End of Life

Mfr. Part No.
C8051F500-IM

Mouser Part No
634-C8051F500-IM

End of Life

Silicon Labs

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

Datasheet

181In Stock

$13.53

$11.15

$10.08

$9.39

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F500

AEC-Q100

Tube

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

C8051F124-GQ
Silicon Labs
1: $44.67
74In Stock
1,350Expected 04/12/2026
End of Life

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

End of Life

Silicon Labs

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

Datasheet

74In Stock

1,350Expected 04/12/2026

$44.67

$37.64

$35.39

$33.51

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 25 MHz 64 kB 8-bit MCU

C8051F021-GQR
Silicon Labs
1: $42.01
379In Stock
End of Life

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

End of Life

Silicon Labs

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

Datasheet

379In Stock

Cut Tape

$42.01

$35.42

$32.62

$31.28

View

Reel

$28.64

MouseReel Available

Min.: 1
Mult.: 1

: 500

8051

64 kB

4.35 kB

TQFP-64

25 MHz

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F021

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: $7.74
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

$7.74

$6.20

$5.49

$5.14

View

Reel

$4.19

Min.: 1
Mult.: 1

: 1,500

8051

64 kB

4.25 kB

QFN-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F381

Reel, Cut Tape

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

C8051F850-C-GMR
Silicon Labs
1: $2.90
559In Stock

Mfr. Part No.
C8051F850-C-GMR

Mouser Part No
634-C8051F850-C-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

Learn More

Datasheet

559In Stock

Cut Tape

$2.90

$2.38

$2.06

$1.94

Reel

$1.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

Reel, Cut Tape, MouseReel

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

C8051F021-GQ
Silicon Labs
1: $40.64
133In Stock
End of Life

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

End of Life

Silicon Labs

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

Datasheet

133In Stock

$40.64

$34.07

$32.13

$29.28

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-64

25 MHz

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F021

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

C8051F338-GM
Silicon Labs
1: $12.01
57In Stock

Mfr. Part No.
C8051F338-GM

Mouser Part No
634-C8051F338-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

Datasheet

57In Stock

$12.01

$9.96

$8.50

$8.17

View

Min.: 1
Mult.: 1

8051

16 kB

768 B

QFN-24

25 MHz

10 bit

21 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F338

Tube

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F930-G-GM
Silicon Labs
1: $5.71
1,244In Stock
End of Life

Mfr. Part No.
C8051F930-G-GM

Mouser Part No
634-C8051F930-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,244In Stock

$5.71

$4.74

$4.07

$3.88

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)

C8051F330-GMR
Silicon Labs
1: $11.53
24In Stock
1,500Expected 23/10/2026
NRND

Mfr. Part No.
C8051F330-GMR

Mouser Part No
634-C8051F330-GMR

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)

Datasheet

24In Stock

1,500Expected 23/10/2026

Cut Tape

$11.53

$9.15

$8.40

$7.57

View

Reel

$6.31

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

Reel, Cut Tape, MouseReel

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

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

Mfr. Part No.
C8051F064-GQ

Mouser Part No
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 8051 100 MHz 128 kB MAC 8-bit MCU

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

Mfr. Part No.
C8051F131-GQR

Mouser Part No
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 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F506-IM
Silicon Labs
1: $12.41
6In Stock

Mfr. Part No.
C8051F506-IM

Mouser Part No
634-C8051F506-IM

Silicon Labs

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

Datasheet

6In Stock

$12.41

$10.09

$9.62

$8.35

View

Min.: 1
Mult.: 1

8051

32 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

C8051F506

AEC-Q100

Tube

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

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

Mfr. Part No.
C8051F132-GQ

Mouser Part No
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 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F043-GQ
Silicon Labs
1: $26.58
11In Stock
End of Life

Mfr. Part No.
C8051F043-GQ

Mouser Part No
634-C8051F043-GQ

End of Life

Silicon Labs

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

Datasheet

11In Stock

$26.58

$21.45

$19.96

$18.50

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 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

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

Mfr. Part No.
C8051F505-IQR

Mouser Part No
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 8 kB 8-bit MCU

C8051F353-GMR
Silicon Labs
1: $12.90
103In Stock

Mfr. Part No.
C8051F353-GMR

Mouser Part No
634-C8051F353-GMR

Silicon Labs

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

Datasheet

103In Stock

Cut Tape

$12.90

$10.49

$9.22

$8.79

View

Reel

$7.09

Min.: 1
Mult.: 1

: 1,500

8051

8 kB

768 B

QFN-28

50 MHz

16 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F353

Reel, Cut Tape

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 No.
C8051F127-GQ

Mouser Part No
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 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 No.
C8051F500-IQR

Mouser Part No
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 8-bit MCU

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

Mfr. Part No.
C8051F384-GQ

Mouser Part No
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, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

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

Mfr. Part No.
C8051F581-IQR

Mouser Part No
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,10ADC,100Pin MCU

C8051F022-GQ
Silicon Labs
1: $35.41
7In Stock
End of Life

Mfr. Part No.
C8051F022-GQ

Mouser Part No
634-C8051F022-GQ

End of Life

Silicon Labs

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

Datasheet

7In Stock

$35.41

$29.60

$27.45

$26.92

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 32 kB 5 V 8-bit MCU

C8051F505-IQ
Silicon Labs
1: $13.01
21In Stock
End of Life

Mfr. Part No.
C8051F505-IQ

Mouser Part No
634-C8051F505-IQ

End of Life

Silicon Labs

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

Datasheet

21In Stock

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

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

Mfr. Part No.
C8051F501-IQ

Mouser Part No
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 100MIPS,128KB,12ADC,100Pin MCU

C8051F120-GQ
Silicon Labs
1: $53.89
5In Stock
2,250Expected 25/09/2026
End of Life

Mfr. Part No.
C8051F120-GQ

Mouser Part No
634-C8051F120-GQ

End of Life

Silicon Labs

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

Datasheet

5In Stock

2,250Expected 25/09/2026

$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

8051 microcontroller 8-bit Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFN-68

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
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18 I/O
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28 I/O
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31 I/O
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89C
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C8051F005
C8051F006
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