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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 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-QFN16
Silicon Labs
1: £0.78
71In Stock

Mfr. Part No.
EFM8BB50F16I-A-QFN16

Mouser Part No
634-M8BB50F16IAQFN16

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

71In Stock

£0.78

£0.653

£0.584

£0.492

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

16 kB

8 bit

12 bit

50 MHz

12 I/O

512 B

1.8 V

5.5 V

- 40 C

+ 125 C

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN16
Silicon Labs
1: £0.736
356In Stock

Mfr. Part No.
EFM8BB50F4G-A-QFN16

Mouser Part No
634-M8BB50F4GAQFN16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

356In Stock

£0.736

£0.629

£0.553

£0.465

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

4 kB

8 bit

12 bit

50 MHz

12 I/O

512 B

1.8 V

5.5 V

- 40 C

+ 85 C

Cut Tape

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

EFM8BB21F16I-C-QSOP24
Silicon Labs
1: £1.43
3,126In Stock
End of Life

Mfr. Part No.
EFM8BB21F16I-C-QSOP24

Mouser Part No
634-8BB21F16ICQSOP24

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

3,126In Stock

£1.43

£1.21

£1.14

£1.07

£0.796

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

21 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

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

EFM8SB10F8G-A-QSOP24
Silicon Labs
1: £1.32
152In Stock
End of Life

Mfr. Part No.
EFM8SB10F8G-A-QSOP24

Mouser Part No
634-8SB10F8GAQS24

End of Life

Silicon Labs

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

Learn More

Datasheet

152In Stock

£1.32

£1.12

£0.969

£0.917

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

17 I/O

512 B

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB11F16G-C-QSOP24
Silicon Labs
1: £2.01
122In Stock
End of Life

Mfr. Part No.
EFM8UB11F16G-C-QSOP24

Mouser Part No
634-8UB11F16GCQSOP24

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

122In Stock

£2.01

£1.69

£1.48

£1.40

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

17 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQ
Silicon Labs
1: £23.92
113In Stock
800Expected 08/01/2027
End of Life

Mfr. Part No.
C8051F005-GQ

Mouser Part No
634-C8051F005-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

113In Stock

800Expected 08/01/2027

£23.92

£20.71

£19.61

£17.82

£16.73

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

32 kB

8 bit

12 bit

25 MHz

32 I/O

2.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQR
Silicon Labs
1: £23.92
234In Stock
End of Life

Mfr. Part No.
C8051F005-GQR

Mouser Part No
634-C8051F005-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

234In Stock

Cut Tape

£23.92

£21.99

Reel

£17.49

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

32 kB

8 bit

12 bit

25 MHz

32 I/O

2.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F021-GQ
Silicon Labs
1: £30.51
133In Stock
End of Life

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

End of Life

Silicon Labs

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

Datasheet

133In Stock

£30.51

£25.58

£24.12

£21.98

£21.41

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F021-GQR
Silicon Labs
1: £31.54
379In Stock
End of Life

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

End of Life

Silicon Labs

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

Datasheet

379In Stock

Cut Tape

£31.54

£26.59

£24.49

£23.48

View

Reel

£21.50

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

C8051F064-GQR
Silicon Labs
1: £24.51
115In Stock
End of Life

Mfr. Part No.
C8051F064-GQR

Mouser Part No
634-C8051F064-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

Datasheet

115In Stock

Cut Tape

£24.51

£21.05

£20.10

£19.56

Reel

£17.25

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

64 kB

8 bit

16 bit

25 MHz

59 I/O

4.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

C8051F124-GQ
Silicon Labs
1: £33.54
74In Stock
1,350Expected 04/12/2026
End of Life

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

Datasheet

74In Stock

1,350Expected 04/12/2026

£33.54

£28.26

£26.57

£25.16

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

128 kB

8 bit

8 bit, 12 bit

50 MHz

64 I/O

8.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F500-IM
Silicon Labs
1: £10.16
181In Stock
End of Life

Mfr. Part No.
C8051F500-IM

Mouser Part No
634-C8051F500-IM

End of Life

Silicon Labs

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

Datasheet

181In Stock

£10.16

£8.37

£7.57

£7.05

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

64 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F530-C-IM
Silicon Labs
1: £5.80
793In Stock
End of Life

Mfr. Part No.
C8051F530-C-IM

Mouser Part No
634-C8051F530-C-IM

End of Life

Silicon Labs

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

Datasheet

793In Stock

£5.80

£4.26

£3.96

£3.48

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

256 B

2 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F580-IQ
Silicon Labs
1: £13.71
397In Stock
2,500Expected 29/01/2027
End of Life

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

397In Stock

2,500Expected 29/01/2027

£13.71

£11.13

£10.06

£9.20

£8.83

Min.: 1
Mult.: 1

SMD/SMT

PQFP-48

8051

128 kB

8 bit

12 bit

50 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GM
Silicon Labs
1: £3.73
63In Stock
End of Life

Mfr. Part No.
C8051F920-G-GM

Mouser Part No
634-C8051F920-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

63In Stock

£3.73

£3.11

£2.65

£2.53

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

32 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GMR
Silicon Labs
1: £3.52
1,318In Stock
End of Life

Mfr. Part No.
C8051F920-G-GMR

Mouser Part No
634-C8051F920-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,318In Stock

Cut Tape

£3.52

£2.92

£2.72

£2.44

Reel

£2.06

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

32 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: £3.24
996In Stock
End of Life

Mfr. Part No.
C8051F921-G-GMR

Mouser Part No
634-C8051F921-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

996In Stock

Cut Tape

£3.24

£2.70

£2.37

£2.25

View

Reel

£1.88

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

32 kB

8 bit

10 bit

25 MHz

16 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F930-G-GM
Silicon Labs
1: £4.29
1,244In Stock
End of Life

Mfr. Part No.
C8051F930-G-GM

Mouser Part No
634-C8051F930-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,244In Stock

£4.29

£3.56

£3.06

£2.92

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

64 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

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: £1.58
1,070In Stock
End of Life

Mfr. Part No.
EFM8BB31F16G-D-QFP32

Mouser Part No
634-EF8BB31F16GDQP32

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

1,070In Stock

£1.58

£1.33

£1.23

£1.10

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

28 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-5QFN32
Silicon Labs
1: £3.38
1,358In Stock
End of Life

Mfr. Part No.
EFM8BB31F64I-D-5QFN32

Mouser Part No
634-EF8BB31F64ID5F32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1,358In Stock

£3.38

£2.23

£2.04

£1.74

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU

EFM32JG1B200F128GM48-C0
Silicon Labs
1: £3.58
1,102In Stock
End of Life

Mfr. Part No.
EFM32JG1B200F128GM48-C0

Mouser Part No
634-JG1B200F128GM48C

End of Life

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU

Learn More

Datasheet

1,102In Stock

£3.58

£2.98

£2.77

£2.53

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

ARM Cortex M3

128 kB

32 bit

12 bit

40 MHz

32 I/O

32 kB

1.85 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM8BB10F4I-A-QFN20
Silicon Labs
1: £1.68
244In Stock
End of Life

Mfr. Part No.
EFM8BB10F4I-A-QFN20

Mouser Part No
634-M8BB10F4IAQFN20

End of Life

Silicon Labs

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

Learn More

Datasheet

244In Stock

£1.68

£1.07

£0.952

£0.788

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

4 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU

EFM32PG1B200F128GM48-C0
Silicon Labs
1: £4.85
688In Stock
End of Life

Mfr. Part No.
EFM32PG1B200F128GM48-C0

Mouser Part No
634-PG1B200F128GM48C

End of Life

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU

Learn More

Datasheet

688In Stock

£4.85

£3.71

£3.49

£3.30

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

ARM Cortex M4

128 kB

32 bit

12 bit

40 MHz

32 I/O

32 kB

1.85 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM8BB21F16G-C-QFN20
Silicon Labs
1: £1.20
107In Stock
2,520Expected 08/01/2027

Mfr. Part No.
EFM8BB21F16G-C-QFN20

Mouser Part No
634-8BB21F16GCQFN20

Silicon Labs

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

Learn More

Datasheet

107In Stock

2,520Expected 08/01/2027

£1.20

£1.03

£0.899

£0.841

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

16 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

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

EFM8BB22F16G-C-QFN28
Silicon Labs
1: £1.58
1,412In Stock

Mfr. Part No.
EFM8BB22F16G-C-QFN28

Mouser Part No
634-8BB22F16GCQFN28

Silicon Labs

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

Learn More

Datasheet

1,412In Stock

£1.58

£1.33

£1.13

£1.07

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

22 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

Silicon Labs 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-92
LQFP-100
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32

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
26 I/O
28 I/O
29 I/O
32 I/O
33 I/O
34 I/O

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
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB
64 kB