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Silicon Labs Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

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

EFM8BB51F16G-C-QFN20
Silicon Labs
1: £0.698
153In Stock

Mfr. Part No.
EFM8BB51F16G-C-QFN20

Mouser Part No
634-EFM851F16GCQFN20

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

153In Stock

£0.698

£0.594

£0.553

£0.466

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB51F16I-C-QFN20
Silicon Labs
1: £1.20
194In Stock

Mfr. Part No.
EFM8BB51F16I-C-QFN20

Mouser Part No
634-EFM851F16ICQFN20

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

194In Stock

£1.20

£0.766

£0.695

£0.691

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB51F16I-C-TSSOP20
Silicon Labs
1: £0.803
148In Stock

Mfr. Part No.
EFM8BB51F16I-C-TSSOP20

Mouser Part No
634-EFM851F16TSSOP20

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

148In Stock

£0.803

£0.684

£0.601

£0.567

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB51F8G-C-TSSOP20
Silicon Labs
1: £0.593
297In Stock

Mfr. Part No.
EFM8BB51F8G-C-TSSOP20

Mouser Part No
634-EFM851F8GCTSOP20

Silicon Labs

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

Learn More

Datasheet

297In Stock

£0.593

£0.51

£0.448

£0.444

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F16G-C-QFN32
Silicon Labs
1: £0.526
1,591In Stock

Mfr. Part No.
EFM8BB52F16G-C-QFN32

Mouser Part No
634-EFM852F16GCQFN32

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,591In Stock

£0.526

£0.449

£0.418

£0.353

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

16 kB

1.28 kB

12 bit

29I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB52F16G-C-TSSOP20
Silicon Labs
1: £0.615
410In Stock

Mfr. Part No.
EFM8BB52F16G-C-TSSOP20

Mouser Part No
634-EFM852F16GCTOP20

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

410In Stock

£0.615

£0.525

£0.461

£0.46

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F32G-C-TSSOP20
Silicon Labs
1: £0.698
6In Stock

Mfr. Part No.
EFM8BB52F32G-C-TSSOP20

Mouser Part No
634-EFM852F32GCTOP20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

6In Stock

£0.698

£0.596

£0.524

£0.495

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F32I-C-QFN20
Silicon Labs
1: £0.608
20In Stock

Mfr. Part No.
EFM8BB52F32I-C-QFN20

Mouser Part No
634-EFM852F32ICQFN20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

20In Stock

£0.608

£0.52

£0.485

£0.409

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

32 kB

2.3 kB

16 I/O

1.8 V

5.5 V

+ 125 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F32I-C-QFN32
Silicon Labs
1: £0.646
439In Stock

Mfr. Part No.
EFM8BB52F32I-C-QFN32

Mouser Part No
634-EFM852F32ICQFN32

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

439In Stock

£0.646

£0.555

£0.516

£0.495

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB52F32I-C-TSSOP20
Silicon Labs
1: £0.759
533In Stock

Mfr. Part No.
EFM8BB52F32I-C-TSSOP20

Mouser Part No
634-EFM852F32ICTOP20

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

533In Stock

£0.759

£0.644

£0.566

£0.565

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB51F8G-C-QFN20
Silicon Labs
1: £1.15
294In Stock

Mfr. Part No.
EFM8BB51F8G-C-QFN20

Mouser Part No
634-EFM8B51F8GCQFN20

Silicon Labs

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

Learn More

Datasheet

294In Stock

£1.15

£0.588

£0.40

£0.362

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB21F16A-C-QFN20
Silicon Labs
1: £2.03
476In Stock
2,520Expected 27/03/2026

Mfr. Part No.
EFM8BB21F16A-C-QFN20

Mouser Part No
634-EFM8BB21F16FN20

Silicon Labs

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

Learn More

Datasheet

476In Stock

2,520Expected 27/03/2026

£2.03

£1.70

£1.58

£1.56

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.25 kB

12 bit

16 I/O

2.2 V

3.6 V

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

EFM8BB52F16I-C-QFN32
Silicon Labs
1: £1.20
539In Stock

Mfr. Part No.
EFM8BB52F16I-C-QFN32

Mouser Part No
634-EFMB52F16ICQFN32

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU

Learn More

Datasheet

539In Stock

£1.20

£0.748

£0.645

£0.452

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

C8051F502-IQ
Silicon Labs
1: £8.16
1,250Expected 27/03/2026
End of Life

Mfr. Part No.
C8051F502-IQ

Mouser Part No
634-C8051F502-IQ

End of Life

Silicon Labs

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

Datasheet

1,250Expected 27/03/2026

£8.16

£6.77

£6.30

£5.75

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

25 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F64G-B-QFP32
Silicon Labs
1: £2.23
739In Stock
End of Life

Mfr. Part No.
EFM8SB20F64G-B-QFP32

Mouser Part No
634-EFM8SBF64GBQFP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

739In Stock

£2.23

£1.87

£1.74

£1.55

View

Min.: 1
Mult.: 1

SMD/SMT

CIP-51 8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

24 I/O

1.8 V

3.6 V

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU

SIM3L167-C-GQ
Silicon Labs
1: £15.37
18In Stock
NRND

Mfr. Part No.
SIM3L167-C-GQ

Mouser Part No
634-SIM3L167-C-GQ

NRND

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-32-bit 50 MHz 256 kB LCD AES low power MCU

Learn More

Datasheet

18In Stock

£15.37

£12.79

£11.99

£10.92

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-80

ARM Cortex M3

32 bit

50 MHz

256 kB

32 kB

10 bit, 12 bit

62 I/O

1.25 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B540F64GQ48-B
Silicon Labs
1: £4.64
250In Stock

Mfr. Part No.
EFM32TG11B540F64GQ48-B

Mouser Part No
634-1B540F64GQ48-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

250In Stock

£4.64

£3.33

£3.10

£2.72

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

ARM Cortex M0+

32 bit

48 MHz

64 kB

32 kB

12 bit

34 I/O

1.8 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB LCD MCU

EFM32GG12B330F512GQ100-A
Silicon Labs
1: £9.81
8In Stock

Mfr. Part No.
EFM32GG12B330F512GQ100-A

Mouser Part No
634-2B330F512GQ100A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB LCD MCU

Learn More

Datasheet

8In Stock

£9.81

£7.97

£7.60

£6.61

£4.96

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

32 bit

72 MHz

512 kB

192 kB

2 x 12 bit

86 I/O

1.8 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU

EFM32GG12B430F512GQ100-A
Silicon Labs
1: £10.31
38In Stock

Mfr. Part No.
EFM32GG12B430F512GQ100-A

Mouser Part No
634-2B430F512GQ100A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB USB LCD MCU

Learn More

Datasheet

38In Stock

£10.31

£7.83

£7.51

£6.62

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

32 bit

72 MHz

512 kB

192 kB

2 x 12 bit

83 I/O

1.8 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

EFM32GG12B810F1024GQ64-A
Silicon Labs
1: £9.72
8In Stock

Mfr. Part No.
EFM32GG12B810F1024GQ64-A

Mouser Part No
634-2B810F1024GQ64A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

Learn More

Datasheet

8In Stock

£9.72

£7.73

£7.46

£6.63

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-64

ARM Cortex M4

32 bit

72 MHz

1.02 MB

192 kB

2 x 12 bit

48 I/O

1.8 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

EFM32G280F128G-E-QFP100
Silicon Labs
1: £5.59
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM32G280F128G-E-QFP100

Mouser Part No
634-32G280128GEFP100

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

Datasheet

Non-Stocked Lead-Time 12 Weeks

£5.59

£5.19

£4.72

£3.94

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

86 I/O

1.98 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES

EFM32G842F128G-E-QFP64
Silicon Labs
1: £7.39
32In Stock

Mfr. Part No.
EFM32G842F128G-E-QFP64

Mouser Part No
634-32G842F128GEFP64

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x22 LCD, AES

Datasheet

32In Stock

£7.39

£5.55

£5.28

£4.59

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

53 I/O

1.98 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

EFM32GG280F1024G-E-QFP100R
Silicon Labs
1: £12.14
47In Stock

Mfr. Part No.
EFM32GG280F1024G-E-QFP100R

Mouser Part No
634-32GG280F1024-E-T

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

Learn More

Datasheet

47In Stock

Cut Tape

£12.14

£10.08

£9.43

£8.64

View

Reel

£7.91

Min.: 1
Mult.: 1

Reel: 1,000

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

48 MHz

1.02 MB

128 kB

12 bit

85 I/O

1.98 V

3.8 V

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

EFM32GG290F1024G-E-BGA112
Silicon Labs
1: £14.44
56In Stock

Mfr. Part No.
EFM32GG290F1024G-E-BGA112

Mouser Part No
634-32GG290F1024-E

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

Learn More

Datasheet

56In Stock

£14.44

£11.96

£11.39

£8.47

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-112

ARM Cortex M3

32 bit

48 MHz

1.02 MB

128 kB

12 bit

90 I/O

1.98 V

3.8 V

+ 85 C

Tray

ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES

EFM32GG290F512G-E-BGA112
Silicon Labs
1: £10.00
4In Stock

Mfr. Part No.
EFM32GG290F512G-E-BGA112

Mouser Part No
634-32GG290F512-E

Silicon Labs

ARM Microcontrollers - MCU 512k Flash, 128k RAM, AES

Learn More

Datasheet

4In Stock

£10.00

£8.28

£7.74

£6.87

View

Min.: 1
Mult.: 1

SMD/SMT

BGA-112

ARM Cortex M3

32 bit

48 MHz

512 kB

128 kB

12 bit

90 I/O

1.98 V

3.8 V

+ 85 C

Tray

Silicon Labs Microcontrollers - MCU

Types of Microcontrollers - MCU

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BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-81
LGA-42
LGA-85
LGA-92
LQFP-100
LQFP-32
MSOP-10
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20

8 B, 256 B, 4 kB
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 kB, 256 B, 8 B
4.25 kB
4.35 kB
4352 B
8 kB

5 I/O
6 I/O
8 I/O
9 I/O
11 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
26 I/O
27 I/O
28 I/O
29 I/O