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Silicon Labs 8-bit Microcontrollers - MCU

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Part #

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

C8051F301-GM
Silicon Labs
1: $6.17
12In Stock

Mfr. Part No.
C8051F301-GM

Mouser Part No
634-C8051F301-GM

Silicon Labs

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

Datasheet

12In Stock

$6.17

$5.13

$4.76

$4.25

View

Min.: 1
Mult.: 1

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

Tube

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

C8051F338-GM
Silicon Labs
1: $9.83
92In 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

92In Stock

$9.83

$8.15

$6.95

$6.67

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 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F507-IQ
Silicon Labs
1: $9.77
1,250Expected 03/03/2026

Mfr. Part No.
C8051F507-IQ

Mouser Part No
634-C8051F507-IQ

Silicon Labs

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

Datasheet

1,250Expected 03/03/2026

$9.77

$8.10

$7.55

$6.87

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F507

AEC-Q100

Tray

8-bit Microcontrollers - MCU

EFM8LB11F32ES0-C-QFN24R
Silicon Labs
1: $3.84
1,499Expected 03/03/2026

Mfr. Part No.
EFM8LB11F32ES0-C-QFN24R

Mouser Part No
634-LB11F32ES0CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

1,499Expected 03/03/2026

Cut Tape

$3.84

$2.60

$2.41

$2.09

Reel

$1.33

View

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

32 kB

2.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN16R
Silicon Labs
1: $1.59
3,700Expected 03/04/2026

Mfr. Part No.
EFM8BB50F16G-A-QFN16R

Mouser Part No
634-M8BB50F16GAFN16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

3,700Expected 03/04/2026

Cut Tape

$1.59

$0.996

$0.859

$0.674

View

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

16 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Reel, Cut Tape, MouseReel

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

C8051F061-GQ
Silicon Labs
1: $33.68
398Expected 03/03/2026
NRND

Mfr. Part No.
C8051F061-GQ

Mouser Part No
634-C8051F061-GQ

NRND

Silicon Labs

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

Datasheet

398Expected 03/03/2026

$33.68

$28.28

$26.63

$24.19

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-64

25 MHz

10 bit, 2 x 16 bit

24 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F061

Tray

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

C8051F330-GMR
Silicon Labs
1: $8.88
1,500Expected 03/03/2026
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

1,500Expected 03/03/2026

Cut Tape

$8.88

$7.37

$6.86

$6.23

View

Reel

$5.44

MouseReel Available

Min.: 1
Mult.: 1

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

EFM8BB22F16I-C-QFN28
Silicon Labs
1: $3.19
1In Stock

Mfr. Part No.
EFM8BB22F16I-C-QFN28

Mouser Part No
634-8BB22F16ICQFN28

Silicon Labs

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

Learn More

Datasheet

1In Stock

$3.19

$2.08

$1.91

$1.64

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

2.3 kB

QFN-28

50 MHz

12 bit

22 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

EFM8BB2

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN16
Silicon Labs
1: $0.74
1,000Expected 10/04/2026

Mfr. Part No.
EFM8BB50F16G-A-QFN16

Mouser Part No
634-M8BB50F16GAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,000Expected 10/04/2026

$0.74

$0.638

$0.594

$0.502

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-16

50 MHz

12 bit

12 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

Cut Tape

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

C8051F530-C-IT
Silicon Labs
1: $6.41
674Expected 03/03/2026
End of Life

Mfr. Part No.
C8051F530-C-IT

Mouser Part No
634-C8051F530-C-IT

End of Life

Silicon Labs

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

Datasheet

674Expected 03/03/2026

$6.41

$5.32

$4.57

$4.36

View

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

C8051F530

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F8G-C-QFN20
Silicon Labs
1: $1.21
1,247Expected 03/03/2026

Mfr. Part No.
EFM8UB10F8G-C-QFN20

Mouser Part No
634-8UB10F8GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

1,247Expected 03/03/2026

$1.21

$1.03

$0.951

$0.837

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

2.25 kB

QFN-20

50 MHz

12 bit

13 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F16G-C-QFN20
Silicon Labs
1: $0.79
200Expected 03/03/2026

Mfr. Part No.
EFM8BB52F16G-C-QFN20

Mouser Part No
634-EFM852F16GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

200Expected 03/03/2026

$0.79

$0.674

$0.628

$0.555

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

QFN-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

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: $0.636
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

$0.636

$0.614

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

Reel: 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: $1.55
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

Cut Tape

$1.55

$1.54

$1.45

$1.29

Reel

$0.762

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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, Cut Tape, MouseReel

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

C8051F121-GQR
Silicon Labs
500: $30.48
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F121-GQR

Mouser Part No
634-C8051F121-GQR

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$30.48

Min.: 500
Mult.: 500

Reel: 500

8051

128 kB

8.25 kB

TQFP-64

100 MHz

8 bit, 12 bit

32 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F121

Reel

8-bit Microcontrollers - MCU 100MIPS,128KB,10ADC,100Pin MCU

C8051F122-GQ
Silicon Labs
1: $42.09
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F122-GQ

Mouser Part No
634-C8051F122-GQ

Silicon Labs

8-bit Microcontrollers - MCU 100MIPS,128KB,10ADC,100Pin MCU

Datasheet

Non-Stocked Lead-Time 12 Weeks

$42.09

$35.33

$31.19

$30.29

View

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-100

100 MHz

64 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F122

Tray

8-bit Microcontrollers - MCU 100MIPS,128KB,10ADC,100Pin MCU

C8051F122-GQR
Silicon Labs
250: $32.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F122-GQR

Mouser Part No
634-C8051F122-GQR

Silicon Labs

8-bit Microcontrollers - MCU 100MIPS,128KB,10ADC,100Pin MCU

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$32.64

View

Min.: 250
Mult.: 250

Reel: 250

8051

128 kB

8.25 kB

TQFP-100

100 MHz

64 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F122

Reel

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

C8051F123-GQ
Silicon Labs
800: $27.98
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F123-GQ

Mouser Part No
634-C8051F123-GQ

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$27.98

Min.: 800
Mult.: 800

8051

128 kB

8.25 kB

TQFP-64

100 MHz

32 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F123

Tray

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

C8051F123-GQR
Silicon Labs
500: $30.07
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F123-GQR

Mouser Part No
634-C8051F123-GQR

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$30.07

Min.: 500
Mult.: 500

Reel: 500

8051

128 kB

8.25 kB

TQFP-64

100 MHz

32 I/O

3 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F123

Reel

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

C8051F311-GM
Silicon Labs
1,533: $6.58
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F311-GM

Mouser Part No
634-C8051F311-GM

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$6.58

Quote

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

8051

16 kB

1.25 kB

QFN-28

25 MHz

10 bit

25 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F311

Tube

8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, LQFP32 OTP available (T612-GQ)

C8051F312-GQ
Silicon Labs
1,250: $5.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F312-GQ

Mouser Part No
634-C8051F312-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, LQFP32 OTP available (T612-GQ)

Datasheet

Non-Stocked Lead-Time 12 Weeks

$5.77

Quote

Min.: 1,250
Mult.: 1,250

8051

8 kB

1.25 kB

LQFP-32

25 MHz

10 bit

29 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F312

Tray

8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, LQFP32 OTP available (T612-GQ)

C8051F312-GQR
Silicon Labs
500: $6.88
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F312-GQR

Mouser Part No
634-C8051F312-GQR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, 10b ADC, LQFP32 OTP available (T612-GQ)

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$6.88

$6.44

Quote

Min.: 500
Mult.: 500

Reel: 500

8051

8 kB

1.25 kB

LQFP-32

25 MHz

10 bit

29 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F312

Reel

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

C8051F313-GM
Silicon Labs
1,533: $5.58
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F313-GM

Mouser Part No
634-C8051F313-GM

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$5.58

Quote

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

8051

8 kB

1.25 kB

QFN-28

25 MHz

10 bit

25 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F313

Tube

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

C8051F315-GM
Silicon Labs
1,533: $4.53
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F315-GM

Mouser Part No
634-C8051F315-GM

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$4.53

Quote

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

8051

8 kB

1.25 kB

QFN-28

25 MHz

No ADC

25 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F315

Tube

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

C8051F315-GMR
Silicon Labs
1,500: $4.69
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F315-GMR

Mouser Part No
634-C8051F315-GMR

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$4.69

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

Reel: 1,500

8051

8 kB

1.25 kB

QFN-24

25 MHz

10 bit

25 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F315

Reel

Silicon Labs 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

CSP-16
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFP-32
QFP-48
QSOP-24
SOIC-14
SOIC-16
TQFP-100
TQFP-48
TQFP-64

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
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
32 I/O
33 I/O
39 I/O
40 I/O

BB50
C8051F005
C8051F006
C8051F007
C8051F015
C8051F016
C8051F017
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F023
C8051F040
C8051F041
C8051F042
C8051F043
C8051F044
C8051F045
C8051F046