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25 MHz 8-bit Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F32G-B-QFN32
Silicon Labs
1: $2.44
797In Stock
End of Life

Mfr. Part No.
EFM8SB20F32G-B-QFN32

Mouser Part No
634-EFM8SBF32GBQFN32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

797In Stock

$2.44

$2.05

$1.74

$1.65

View

Min.: 1
Mult.: 1

CIP-51 8051

32 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

EFM8SB

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8G-A-SOIC16R
Silicon Labs
1: $1.23
4,991Expected 08/09/2026

Mfr. Part No.
EFM8BB10F8G-A-SOIC16R

Mouser Part No
634-8BB10F8GASO16R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

4,991Expected 08/09/2026

Cut Tape

$1.23

$1.03

$0.945

$0.829

View

Reel

$0.548

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

CIP-51 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

EFM8BB1

Reel, Cut Tape, MouseReel

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 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8I-A-QFN20
Silicon Labs
1: $1.22
2,520Expected 16/10/2026

Mfr. Part No.
EFM8BB10F8I-A-QFN20

Mouser Part No
634-FM8BB10F8IAQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2,520Expected 16/10/2026

$1.22

$1.04

$0.96

$0.845

View

Min.: 1
Mult.: 1

CIP-51 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

+ 125 C

EFM8BB1

Tube

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

C8051F301-GMR
Silicon Labs
1: $8.78
3,000Expected 01/01/2027

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 01/01/2027

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 16 kB LFO 8-bit MCU

C8051F336-GMR
Silicon Labs
1: $11.54
1,458In Stock

Mfr. Part No.
C8051F336-GMR

Mouser Part No
634-C8051F336-GMR

Silicon Labs

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

Datasheet

1,458In Stock

Cut Tape

$11.54

$9.38

$8.69

$7.85

View

Reel

$6.56

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

16 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

C8051F336

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 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: $31.33
101Expected 11/09/2026
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

101Expected 11/09/2026

$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 26/02/2027
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 26/02/2027

$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 12/03/2027
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 12/03/2027

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 11/12/2026
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 11/12/2026

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 16KB 454 RAM 33 I/O

PIC17C44-25/PQ
Microchip Technology
96: $14.69
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
PIC17C44-25/PQ

Mouser Part No
579-PIC17C44-25/PQ

Microchip Technology

8-bit Microcontrollers - MCU 16KB 454 RAM 33 I/O

Datasheet

Non-Stocked Lead-Time 9 Weeks

$14.69

Min.: 96
Mult.: 96

PIC17

8 kB

454 B

MQFP-44

25 MHz

No ADC

33 I/O

4.5 V

5.5 V

SMD/SMT

8 bit

0 C

+ 70 C

PIC17(L)C4x

Tray

8-bit Microcontrollers - MCU 256KB 1536 RAM 26I/O

PIC18C601-I/PT
Microchip Technology
160: $5.57
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
PIC18C601-I/PT

Mouser Part No
579-PIC18C601-I/PT

Microchip Technology

8-bit Microcontrollers - MCU 256KB 1536 RAM 26I/O

Datasheet

Non-Stocked Lead-Time 8 Weeks

$5.57

Min.: 160
Mult.: 160

PIC18

256 kB

1.5 kB

TQFP-64

25 MHz

10 bit

26 I/O

4.2 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

PIC18(L)Cx01

Tray

8-bit Microcontrollers - MCU 2MB 1536 RAM 37I/O

PIC18LC801-I/PT
Microchip Technology
1: $7.09
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
PIC18LC801-I/PT

Mouser Part No
579-PIC18LC801-I/PT

Microchip Technology

8-bit Microcontrollers - MCU 2MB 1536 RAM 37I/O

Datasheet

Non-Stocked Lead-Time 8 Weeks

$7.09

Min.: 1
Mult.: 1

PIC18

1.5 kB

TQFP-80

25 MHz

10 bit

47 I/O

4.2 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

PIC18(L)Cx01

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8I-A-SOIC16R
Silicon Labs
2,500: $0.687
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB10F8I-A-SOIC16R

Mouser Part No
634-8BB10F8IASOIC16R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.687

$0.673

Min.: 2,500
Mult.: 2,500

: 2,500

CIP-51 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

+ 125 C

EFM8BB1

Reel

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F4G-A-QFN20R
Silicon Labs
1,500: $0.767
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB10F4G-A-QFN20R

Mouser Part No
634-8SB10F4GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.767

$0.749

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

: 1,500

CIP-51 8051

4 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel

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

C8051F346-GM
Silicon Labs
1,533: $15.30
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F346-GM

Mouser Part No
634-C8051F346-GM

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$15.30

Quote

Min.: 1,533
Mult.: 1,533

8051

64 kB

4.25 kB

QFN-32

25 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F346

Tube

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

C8051F34A-GM
Silicon Labs
1,533: $16.08
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F34A-GM

Mouser Part No
634-C8051F34A-GM

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$16.08

Quote

Min.: 1,533
Mult.: 1,533

8051

64 kB

4.25 kB

LQFP-32

25 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F34A

Tube

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

C8051F850-C-IMR
Silicon Labs
1,500: $1.74
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F850-C-IMR

Mouser Part No
634-C8051F850-C-IMR

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.74

$1.72

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

: 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

+ 125 C

C8051F850

Reel

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

C8051F853-C-GMR
Silicon Labs
1,500: $1.46
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F853-C-GMR

Mouser Part No
634-C8051F853-C-GMR

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.46

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

: 1,500

8051

8 kB

512 B

QFN-20

25 MHz

No ADC

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F853

Reel

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F16G-B-QFN24R
Silicon Labs
1,500: $1.13
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F16G-B-QFN24R

Mouser Part No
634-EFM8SB16GBQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.13

$1.08

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

: 1,500

CIP-51 8051

16 kB

4.25 kB

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F32G-B-QFN24
Silicon Labs
1: $2.21
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F32G-B-QFN24

Mouser Part No
634-EFM8SBF32GBQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.21

$1.86

$1.55

$1.48

View

Min.: 1
Mult.: 1

CIP-51 8051

32 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

EFM8SB

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU

EFM8BB10F2A-A-QFN20
Silicon Labs
1: $2.25
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB10F2A-A-QFN20

Mouser Part No
634-FM8BB10F2AAQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.25

$1.90

$1.76

$1.55

View

Min.: 1
Mult.: 1

CIP-51 8051

2 kB

256 B

QFN-20

25 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

EFM8BB1

AEC-Q100

Tube

25 MHz 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

CSP-16
LQFP-32
MQFP-44
PDIP-40
PLCC-44
PLCC-68
PLCC-84
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32
QFP-100
QSOP-24
SOIC-14
SOIC-16
SOIC-28
TQFP-100
TQFP-44
TQFP-48

4 I/O
6 I/O
7 I/O
8 I/O
13 I/O
15 I/O
16 I/O
17 I/O
20 I/O
21 I/O
24 I/O
25 I/O
26 I/O
32 I/O
33 I/O
47 I/O
52 I/O
57 I/O
59 I/O
64 I/O

C8051F005
C8051F006
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F040
C8051F042
C8051F043
C8051F044
C8051F046
C8051F060
C8051F061
C8051F064
C8051F066
C8051F300
C8051F301
C8051F302
C8051F303