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8051 microcontroller Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

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

C8051F550-IM
Silicon Labs
1: $12.10
222In Stock
1,911Expected 2/10/2026

Mfr. Part No.
C8051F550-IM

Mouser Part No
634-C8051F550-IM

Silicon Labs

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

Datasheet

222In Stock

1,911Expected 2/10/2026

$12.10

$9.41

$8.70

$7.96

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

32 kB

8 bit

12 bit

50 MHz

18 I/O

2.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F381-GMR
Silicon Labs
1: $9.79
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

$9.79

$7.72

$6.94

$6.45

View

Reel

$5.68

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F580-IQ
Silicon Labs
1: $24.30
361In Stock
2,500Expected 29/1/2027
End of Life

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

361In Stock

2,500Expected 29/1/2027

$24.30

$20.17

$18.01

$17.29

View

Min.: 1
Mult.: 1

SMD/SMT

PQFP-48

8051

128 kB

8 bit

12 bit

50 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

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

C8051F530-C-IM
Silicon Labs
1: $7.86
793In Stock
End of Life

Mfr. Part No.
C8051F530-C-IM

Mouser Part No
634-C8051F530-C-IM

End of Life

Silicon Labs

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

Datasheet

793In Stock

$7.86

$5.98

$5.52

$5.00

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

256 B

2 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F500-IM
Silicon Labs
1: $17.87
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

$17.87

$15.57

$13.03

$11.97

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

64 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F021-GQR
Silicon Labs
1: $57.13
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

$57.13

$46.65

$43.44

$42.46

$38.56

Reel

$38.54

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F920-G-GMR
Silicon Labs
1: $6.38
1,318In Stock
End of Life

Mfr. Part No.
C8051F920-G-GMR

Mouser Part No
634-C8051F920-G-GMR

End of Life

Silicon Labs

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

Learn More

Datasheet

1,318In Stock

Cut Tape

$6.38

$5.30

$4.92

$4.43

Reel

$3.73

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

32 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F338-GM
Silicon Labs
1: $15.35
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

$15.35

$12.10

$11.14

$10.23

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

16 kB

8 bit

10 bit

25 MHz

21 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Tube

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

C8051F124-GQ
Silicon Labs
1: $60.75
50In Stock
1,350Expected 4/12/2026
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

50In Stock

1,350Expected 4/12/2026

$60.75

$51.19

$47.22

$45.57

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

128 kB

8 bit

8 bit, 12 bit

50 MHz

64 I/O

8.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F850-C-GMR
Silicon Labs
1: $3.85
309In 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

309In Stock

Cut Tape

$3.85

$3.01

$2.42

$2.30

Reel

$1.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F064-GQ
Silicon Labs
1: $42.95
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

$42.95

$34.99

$32.75

$30.57

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 kB

8 bit

16 bit

25 MHz

59 I/O

4.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F131-GQR
Silicon Labs
1: $53.73
23In 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

23In Stock

Cut Tape

$53.73

$44.96

$39.54

$38.09

$36.86

Reel

$35.92

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

128 kB

8 bit

10 bit

100 MHz

32 I/O

8.25 kB

3 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F330-GMR
Silicon Labs
1: $15.27
24In Stock
1,500Expected 16/10/2026
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 16/10/2026

Cut Tape

$15.27

$12.40

$10.25

$9.56

View

Reel

$8.58

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

8 kB

8 bit

10 bit

25 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F500-IQR
Silicon Labs
1: $18.78
206In 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

206In Stock

Cut Tape

$18.78

$15.57

$13.40

$13.26

Reel

$12.24

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-48

8051

64 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

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

C8051F506-IM
Silicon Labs
1: $14.74
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

$14.74

$11.52

$10.70

$9.82

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

32 kB

8 bit

12 bit

50 MHz

25 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F132-GQ
Silicon Labs
1: $41.15
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

$41.15

$36.22

$32.69

$31.12

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 kB

8 bit

10 bit

100 MHz

64 I/O

8.25 kB

3 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F581-IQR
Silicon Labs
1: $22.98
234In 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

234In Stock

Cut Tape

$22.98

$18.71

$16.20

$15.49

Reel

$14.36

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-48

8051

128 kB

8 bit

12 bit

50 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

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

C8051F022-GQ
Silicon Labs
1: $48.16
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

$48.16

$38.69

$36.61

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 kB

8 bit

8 bit, 10 bit

25 MHz

64 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F127-GQ
Silicon Labs
1: $56.48
22In 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

22In Stock

$56.48

$45.79

$42.38

$40.66

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

128 kB

8 bit

8 bit, 10 bit

50 MHz

32 I/O

8.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

AT89LP6440-20MU
Microchip Technology
360: $6.28
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89LP6440-20MU

Mouser Part No
556-AT89LP6440-20MU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

Datasheet

Non-Stocked Lead-Time 9 Weeks

$6.28

View

Min.: 360
Mult.: 360

SMD/SMT

VQFN-44

8051

64 kB

8 bit

10 bit

20 MHz

38 I/O

4.25 kB

2.4 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F121-GQ
Silicon Labs
1: $69.25
458In Stock
End of Life

Mfr. Part No.
C8051F121-GQ

Mouser Part No
634-C8051F121-GQ

End of Life

Silicon Labs

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

Datasheet

458In Stock

$69.25

$55.92

$51.90

$50.35

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

128 kB

8 bit

8 bit, 12 bit

100 MHz

32 I/O

8.25 kB

3 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F043-GQ
Silicon Labs
1: $36.45
6In 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

6In Stock

$36.45

$28.70

$26.97

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

64 kB

8 bit

10 bit

25 MHz

32 I/O

4.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F021-GQ
Silicon Labs
1: $56.64
6In 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

6In Stock

$56.64

$46.58

$43.89

$42.46

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F501-IQ
Silicon Labs
1: $16.95
78In 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

78In Stock

$16.95

$14.05

$12.04

$11.95

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

8051

64 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

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

C8051F505-IQR
Silicon Labs
1: $15.45
50In 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

50In Stock

Cut Tape

$15.45

$12.06

$11.21

$10.91

Reel

$10.91

Min.: 1
Mult.: 1

: 500

SMD/SMT

8051

32 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

Reel, Cut Tape

8051 microcontroller Microcontrollers - MCU

Types of Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
LQFP-80
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

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O
33 I/O

128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 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
8.25 kB
16 kB
32 kB