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Silicon Labs 8-bit Microcontrollers - MCU

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Part #

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

C8051F381-GQ
Silicon Labs
1: Rp118.699
1.078In Stock
End of Life

Mfr. Part No.
C8051F381-GQ

Mouser Part No
634-C8051F381-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

1.078In Stock

Rp118.699

Rp98.518

Rp91.547

Rp82.924

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

LQFP-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F381

Tray

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

C8051F381-GQR
Silicon Labs
1: Rp118.699
1.280In Stock
End of Life

Mfr. Part No.
C8051F381-GQR

Mouser Part No
634-C8051F381-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

Datasheet

1.280In Stock

Cut Tape

Rp118.699

Rp98.518

Rp91.547

Rp82.924

Reel

Rp75.219

View

Min.: 1
Mult.: 1

Reel: 500

8051

64 kB

4.25 kB

LQFP-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 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQ
Silicon Labs
1: Rp256.844
496In Stock
1.250Expected 20/03/2026
End of Life

Mfr. Part No.
C8051F412-GQ

Mouser Part No
634-C8051F412-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

496In Stock

1.250Expected 20/03/2026

Rp256.844

Rp207.677

Rp190.431

Rp172.819

View

Min.: 1
Mult.: 1

8051

16 kB

2.31 kB

LQFP-32

50 MHz

12 bit

24 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F412

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQR
Silicon Labs
1: Rp315.368
294In Stock
End of Life

Mfr. Part No.
C8051F412-GQR

Mouser Part No
634-C8051F412-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

294In Stock

Cut Tape

Rp315.368

Rp247.488

Rp237.214

Rp209.144

Reel

Rp185.295

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051

16 kB

2.31 kB

LQFP-32

50 MHz

12 bit

24 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F412

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

C8051F521A-IM
Silicon Labs
1: Rp82.007
2.359In Stock
End of Life

Mfr. Part No.
C8051F521A-IM

Mouser Part No
634-C8051F521A-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

Datasheet

2.359In Stock

Rp82.007

Rp81.823

Rp75.952

Rp67.513

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

QFN-20

25 MHz

12 bit

6 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F521A

Tube

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

C8051F560-IQ
Silicon Labs
1: Rp136.678
511In Stock
End of Life

Mfr. Part No.
C8051F560-IQ

Mouser Part No
634-C8051F560-IQ

End of Life

Silicon Labs

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

Datasheet

511In Stock

Rp136.678

Rp113.378

Rp105.490

Rp95.950

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFP-32

50 MHz

12 bit

25 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F560

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F4G-A-QFN20
Silicon Labs
1: Rp15.778
243In Stock

Mfr. Part No.
EFM8BB10F4G-A-QFN20

Mouser Part No
634-8BB10F4GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

243In Stock

Rp15.778

Rp13.558

Rp12.604

Rp12.200

View

Min.: 1
Mult.: 1

CIP-51 8051

4 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

EFM8BB1

Tube

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

EFM8BB10F8G-A-QFN20
Silicon Labs
1: Rp18.529
151In Stock

Mfr. Part No.
EFM8BB10F8G-A-QFN20

Mouser Part No
634-8BB10F8GAQF20

Silicon Labs

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

Learn More

Datasheet

151In Stock

Rp18.529

Rp15.741

Rp14.622

Rp12.861

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

+ 85 C

EFM8BB1

Tube

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

EFM8BB10F8G-A-SOIC16
Silicon Labs
1: Rp18.529
1.491In Stock

Mfr. Part No.
EFM8BB10F8G-A-SOIC16

Mouser Part No
634-8BB10F8GASO16

Silicon Labs

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

Learn More

Datasheet

1.491In Stock

Rp18.529

Rp15.741

Rp13.851

Rp12.677

View

Min.: 1
Mult.: 1

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

Tube

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

EFM8BB10F8I-A-SOIC16
Silicon Labs
1: Rp20.548
1.289In Stock
1.008Expected 03/04/2026

Mfr. Part No.
EFM8BB10F8I-A-SOIC16

Mouser Part No
634-8BB10F8I-ASOIC16

Silicon Labs

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

Learn More

Datasheet

1.289In Stock

1.008Expected 03/04/2026

Rp20.548

Rp17.520

Rp15.429

Rp15.374

View

Min.: 1
Mult.: 1

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

Tube

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

EFM8SB10F8G-A-CSP16
Silicon Labs
1: Rp29.904
938In Stock

Mfr. Part No.
EFM8SB10F8G-A-CSP16

Mouser Part No
634-8SB10F8G-A-CSP16

Silicon Labs

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

Learn More

Datasheet

938In Stock

Rp29.904

Rp25.317

Rp23.483

Rp20.914

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

512 B

CSP-16

25 MHz

12 bit

13 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Cut Tape

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

EFM8SB10F8G-A-CSP16R
Silicon Labs
1: Rp29.904
610In Stock
2.500Expected 01/05/2026

Mfr. Part No.
EFM8SB10F8G-A-CSP16R

Mouser Part No
634-8SB10F8GA-CSP16R

Silicon Labs

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

Datasheet

610In Stock

2.500Expected 01/05/2026

Cut Tape

Rp29.904

Rp25.317

Rp23.483

Rp20.914

Reel

Rp16.915

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.500

CIP-51 8051

8 kB

256 B

CSP-16

25 MHz

12 bit

13 I/O

3.6 V

2.2 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

C8051F351-GMR
Silicon Labs
1: Rp240.516
127In Stock

Mfr. Part No.
C8051F351-GMR

Mouser Part No
634-C8051F351-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

Datasheet

127In Stock

Cut Tape

Rp240.516

Rp199.421

Rp186.212

Rp170.067

View

Reel

Rp147.685

Min.: 1
Mult.: 1

Reel: 1.500

8051

8 kB

768 B

QFN-28

50 MHz

24 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F351

Reel, Cut Tape

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

C8051F353-GMR
Silicon Labs
1: Rp187.313
228In 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

228In Stock

Cut Tape

Rp187.313

Rp155.207

Rp144.750

Rp131.724

View

Reel

Rp115.580

Min.: 1
Mult.: 1

Reel: 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 32 kB 8-bit MCU

C8051F383-GM
Silicon Labs
1: Rp96.683
39In Stock

Mfr. Part No.
C8051F383-GM

Mouser Part No
634-C8051F383-GM

Silicon Labs

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

Learn More

Datasheet

39In Stock

Rp96.683

Rp80.355

Rp68.798

Rp65.679

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFN-32

48 MHz

10 bit

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F383

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F390-A-GM
Silicon Labs
1: Rp101.270
178In 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

178In Stock

Rp101.270

Rp69.531

Rp64.761

Rp57.056

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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: Rp93.198
113In Stock

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

113In Stock

Cut Tape

Rp93.198

Rp79.255

Rp62.376

Rp56.506

Rp40.912

Reel

Rp40.178

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F392-A-GMR
Silicon Labs
1: Rp79.071
213In Stock

Mfr. Part No.
C8051F392-A-GMR

Mouser Part No
634-C8051F392-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

213In Stock

Cut Tape

Rp79.071

Rp65.862

Rp61.092

Rp55.038

Reel

Rp37.609

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.500

8051

16 kB

1 kB

QFN-20

50 MHz

10 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

C8051F392

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32

C8051F920-G-GQ
Silicon Labs
1: Rp81.089
294In Stock

Mfr. Part No.
C8051F920-G-GQ

Mouser Part No
634-C8051F920-G-GQ

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32

Learn More

Datasheet

294In Stock

Rp81.089

Rp67.513

Rp62.743

Rp56.506

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

LQFP-32

25 MHz

10 bit

24 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32

C8051F920-G-GQR
Silicon Labs
1: Rp81.089
332In Stock

Mfr. Part No.
C8051F920-G-GQR

Mouser Part No
634-C8051F920-G-GQR

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32

Learn More

Datasheet

332In Stock

Cut Tape

Rp81.089

Rp67.513

Rp62.743

Rp56.506

Reel

Rp50.818

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051

32 kB

4.25 kB

LQFP-32

25 MHz

10 bit

24 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8BB31F16G-D-QFP32
Silicon Labs
1: Rp33.573
1.175In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFP32

Mouser Part No
634-EF8BB31F16GDQP32

Silicon Labs

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

Learn More

Datasheet

1.175In Stock

Rp33.573

Rp28.436

Rp26.418

Rp23.483

View

Min.: 1
Mult.: 1

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

Tray

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

EFM8SB20F16G-B-QFN24
Silicon Labs
1: Rp33.573
446In Stock

Mfr. Part No.
EFM8SB20F16G-B-QFN24

Mouser Part No
634-EFM8SBF16GBQFN24

Silicon Labs

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

Learn More

Datasheet

446In Stock

Rp33.573

Rp28.436

Rp23.666

Rp22.566

View

Min.: 1
Mult.: 1

CIP-51 8051

16 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 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F32G-B-QFP32
Silicon Labs
1: Rp53.203
920In Stock

Mfr. Part No.
EFM8SB20F32G-B-QFP32

Mouser Part No
634-EFM8SBF32GBQFP32

Silicon Labs

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

Learn More

Datasheet

920In Stock

Rp53.203

Rp44.581

Rp41.279

Rp36.875

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

4.25 kB

QFP-32

25 MHz

10 bit

24 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Tray

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFP48R
Silicon Labs
1: Rp86.226
281In Stock

Mfr. Part No.
EFM8UB20F32G-B-QFP48R

Mouser Part No
634-EFM8UB32GBQFP48R

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

281In Stock

Cut Tape

Rp86.226

Rp73.201

Reel

Rp44.764

Rp39.994

Rp39.260

Rp38.710

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

CIP-51 8051

32 kB

2.25 kB

QFP-48

48 MHz

10 bit

40 I/O

3.6 V

2.2 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFN32
Silicon Labs
1: Rp58.891
350In Stock

Mfr. Part No.
EFM8UB20F64G-B-QFN32

Mouser Part No
634-EFM8UBF64GBQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

350In Stock

Rp58.891

Rp49.167

Rp42.012

Rp39.811

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

48 MHz

10 bit

25 I/O

3.3 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB2

Tube

Silicon Labs 8-bit Microcontrollers - MCU

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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
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