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8051 microcontroller 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16G-D-QFP32R
Silicon Labs
1: HK$26.22
Non-Stocked Lead-Time 30 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16G-D-QFP32R

Mouser Part No
634-EF8BB31F16GDP32R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

HK$26.22

HK$17.10

HK$15.70

HK$13.48

HK$12.66

Reel

HK$10.77

Min.: 1
Mult.: 1

: 500

CIP-51 8051

16 kB

2.3 kB

QFP-32

50 MHz

10 bit, 12 bit

28 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F390-A-GMR
Silicon Labs
1: HK$45.37
1,497Expected 12/11/2026

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

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

Datasheet

1,497Expected 12/11/2026

Cut Tape

HK$45.37

HK$31.15

HK$29.02

HK$25.56

View

Reel

HK$18.74

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 8051 50 MHz 16 kB 8-bit MCU

C8051F390-A-GM
Silicon Labs
1: HK$33.95
1,592In Stock

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

1,592In Stock

HK$33.95

HK$28.03

HK$23.76

HK$22.69

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

C8051F530A-IT
Silicon Labs
1: HK$70.03
6,694Expected 1/1/2027
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 1/1/2027

HK$70.03

HK$48.91

HK$46.69

HK$37.57

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 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: HK$281.21
248Expected 25/2/2027
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

248Expected 25/2/2027

HK$281.21

HK$236.74

HK$213.72

HK$206.16

HK$198.02

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 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: HK$25.73
3,674Expected 15/9/2026

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 15/9/2026

Cut Tape

HK$25.73

HK$21.13

HK$18.25

HK$17.10

Reel

HK$12.99

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

C8051F301-GMR
Silicon Labs
1: HK$72.17
3,000Expected 27/11/2026

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 27/11/2026

Cut Tape

HK$72.17

HK$54.09

HK$51.62

HK$44.80

View

Reel

HK$35.26

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: HK$89.19
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

HK$89.19

HK$73.98

HK$63.05

HK$60.50

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 25 MHz 64 kB CAN 8-bit MCU

C8051F040-GQ
Silicon Labs
1: HK$263.45
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

HK$263.45

HK$219.97

HK$193.99

HK$186.43

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

C8051F331-GMR
Silicon Labs
1: HK$87.21
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

HK$87.21

HK$67.40

HK$64.28

HK$55.81

View

Reel

HK$50.96

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: HK$62.97
1,551Expected 1/1/2027
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 1/1/2027

HK$62.97

HK$51.87

HK$44.88

HK$42.91

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 25 MHz 64 kB CAN 8-bit MCU

C8051F042-GQR
Silicon Labs
1: HK$236.49
246Expected 8/9/2026
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 8/9/2026

Cut Tape

HK$236.49

HK$197.03

HK$193.50

HK$187.50

Reel

HK$159.22

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

C8051F580-IM
Silicon Labs
1: HK$139.33
810Expected 29/1/2027
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 29/1/2027

HK$139.33

HK$120.34

HK$104.81

HK$99.63

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 USB-Flash-16k-ADC-QFN32

C8051F38C-GMR
Silicon Labs
1,500: HK$22.52
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F38C-GMR

Mouser Part No
634-C8051F38C-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$22.52

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

: 1,500

C8051F38C

Reel

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24

C8051F391-A-GMR
Silicon Labs
1,500: HK$18.41
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F391-A-GMR

Mouser Part No
634-C8051F391-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$18.41

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

: 1,500

C8051F391

Reel

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN24

C8051F395-A-GMR
Silicon Labs
1,500: HK$16.36
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F395-A-GMR

Mouser Part No
634-C8051F395-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$16.36

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

: 1,500

C8051F395

Reel

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN20

C8051F393-A-GMR
Silicon Labs
1,500: HK$18.00
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F393-A-GMR

Mouser Part No
634-C8051F393-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$18.00

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

: 1,500

C8051F393

Reel

8-bit Microcontrollers - MCU 4kB/1kB RAM, QFN20

C8051F399-A-GMR
Silicon Labs
1,500: HK$14.14
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F399-A-GMR

Mouser Part No
634-C8051F399-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 4kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$14.14

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

: 1,500

C8051F399

Reel

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN20

C8051F397-A-GMR
Silicon Labs
1,500: HK$16.19
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F397-A-GMR

Mouser Part No
634-C8051F397-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$16.19

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

: 1,500

C8051F397

Reel

8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin

C8051F346-GMR
Silicon Labs
1,500: HK$124.29
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F346-GMR

Mouser Part No
634-C8051F346-GMR

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$124.29

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

: 1,500

C8051F346

Reel

8-bit Microcontrollers - MCU 4kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F398-A-GMR
Silicon Labs
1,500: HK$14.71
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F398-A-GMR

Mouser Part No
634-C8051F398-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 4kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$14.71

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

: 1,500

C8051F398

Reel

8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin

C8051F342-GMR
Silicon Labs
1,500: HK$127.74
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F342-GMR

Mouser Part No
634-C8051F342-GMR

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$127.74

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

: 1,500

8051

2.7 V

5.25 V

8 bit

C8051F342

Reel

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

C8051F506-IMR
Silicon Labs
1,500: HK$55.90
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F506-IMR

Mouser Part No
634-C8051F506-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$55.90

Quote

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

: 1,500

8051

1.8 V

5.25 V

8 bit

C8051F506

Reel

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFN32

C8051F507-IMR
Silicon Labs
1,500: HK$53.02
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F507-IMR

Mouser Part No
634-C8051F507-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFN32

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$53.02

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

: 1,500

8051

1.8 V

5.25 V

8 bit

C8051F507

Reel

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 2 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN24

C8051F550-IMR
Silicon Labs
1,500: HK$43.40
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F550-IMR

Mouser Part No
634-C8051F550-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 2 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$43.40

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

: 1,500

8051

8 bit

C8051F550

Reel

8051 microcontroller 8-bit Microcontrollers - MCU

Customer Service Office

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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
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

89C
89LP
89S
BB50
C8051
C8051F005
C8051F006
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F040
C8051F042
C8051F043
C8051F044
C8051F045
C8051F046
C8051F060
C8051F061