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Silicon Labs 8-bit Microcontrollers - MCU

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Results: 745

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Part #

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: $2.84
1,175In Stock

Mfr. Part #
EFM8BB31F16G-D-QFP32

Mouser Part #
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

$2.84

$2.40

$2.23

$1.98

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: $2.84
446In Stock

Mfr. Part #
EFM8SB20F16G-B-QFN24

Mouser Part #
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

$2.84

$2.40

$2.00

$1.91

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: $4.50
920In Stock

Mfr. Part #
EFM8SB20F32G-B-QFP32

Mouser Part #
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

$4.50

$3.77

$3.49

$3.12

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

EFM8SB20F64G-B-QFP32
Silicon Labs
1: $4.60
739In Stock

Mfr. Part #
EFM8SB20F64G-B-QFP32

Mouser Part #
634-EFM8SBF64GBQFP32

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

$4.60

$3.86

$3.58

$3.21

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

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: $7.29
281In Stock

Mfr. Part #
EFM8UB20F32G-B-QFP48R

Mouser Part #
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

$7.29

$6.18

Reel

$3.78

$3.38

$3.32

$3.27

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: $4.98
350In Stock

Mfr. Part #
EFM8UB20F64G-B-QFN32

Mouser Part #
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

$4.98

$4.15

$3.55

$3.36

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

8-bit Microcontrollers - MCU

EFM8LB12F64ES1-C-QFN32
Silicon Labs
1: $3.46
281In Stock

Mfr. Part #
EFM8LB12F64ES1-C-QFN32

Mouser Part #
634-LB12F64ES1CQFN32

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

281In Stock

$3.46

$2.90

$2.70

$2.45

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-QFN12
Silicon Labs
1: $1.15
48In Stock

Mfr. Part #
EFM8BB50F16I-A-QFN12

Mouser Part #
634-M8BB50F16IAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

48In Stock

$1.15

$0.989

$0.921

$0.778

View

Min.: 1
Mult.: 1

16 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

BB50

Cut Tape

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: $1.19
109In Stock

Mfr. Part #
EFM8BB50F16I-A-QFN16

Mouser Part #
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

109In Stock

$1.19

$1.02

$0.95

$0.801

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

+ 125 C

BB50

Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN12
Silicon Labs
1: $0.884
130In Stock

Mfr. Part #
EFM8BB50F4G-A-QFN12

Mouser Part #
634-M8BB50F4GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

130In Stock

$0.884

$0.767

$0.716

$0.572

View

Min.: 1
Mult.: 1

4 kB

512 B

QFN-12

50 MHz

12 bit

9 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

BB50

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: $0.93
180In Stock

Mfr. Part #
EFM8BB50F4G-A-QFN16

Mouser Part #
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

180In Stock

$0.93

$0.80

$0.746

$0.594

View

Min.: 1
Mult.: 1

4 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 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB11F16G-C-QSOP24
Silicon Labs
1: $5.80
147In Stock
End of Life

Mfr. Part #
EFM8UB11F16G-C-QSOP24

Mouser Part #
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

147In Stock

$5.80

$3.72

$2.81

$2.53

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

2.25 kB

QSOP-24

50 MHz

12 bit

17 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

Tube

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, QFN20

C8051F530A-IM
Silicon Labs
1: $7.11
382In Stock
End of Life

Mfr. Part #
C8051F530A-IM

Mouser Part #
634-C8051F530A-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, QFN20

Datasheet

382In Stock

$7.11

$5.92

$4.99

$4.74

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

QFN-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 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQ
Silicon Labs
1: $44.50
27In Stock
800Expected 2026-04-20
NRND

Mfr. Part #
C8051F005-GQ

Mouser Part #
634-C8051F005-GQ

NRND

Silicon Labs

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

Datasheet

27In Stock

800Expected 2026-04-20

$44.50

$37.14

$34.92

$31.60

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-64

25 MHz

12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F005

Tray

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

C8051F064-GQ
Silicon Labs
1: $42.32
2In Stock
NRND

Mfr. Part #
C8051F064-GQ

Mouser Part #
634-C8051F064-GQ

NRND

Silicon Labs

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

Datasheet

2In Stock

$42.32

$35.29

$30.83

$29.84

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-100

25 MHz

16 bit

59 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F064

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

C8051F334-GM
Silicon Labs
1: $12.87
47In Stock
NRND

Mfr. Part #
C8051F334-GM

Mouser Part #
634-C8051F334-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

Datasheet

47In Stock

$12.87

$8.99

$8.57

$7.44

View

Min.: 1
Mult.: 1

8051

2 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

C8051F334

Tube

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

C8051F850-C-IM
Silicon Labs
1: $6.70
93In Stock
NRND

Mfr. Part #
C8051F850-C-IM

Mouser Part #
634-C8051F850-C-IM

NRND

Silicon Labs

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

Learn More

Datasheet

93In Stock

$6.70

$4.32

$3.05

$2.65

View

Min.: 1
Mult.: 1

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

Tube

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: $2.00
1,610In Stock

Mfr. Part #
EFM8BB21F16G-C-QFN20

Mouser Part #
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

1,610In Stock

$2.00

$1.71

$1.58

$1.38

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

2.3 kB

QFN-20

50 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8BB2

Tube

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

EFM8BB22F16G-C-QFN28R
Silicon Labs
1: $2.60
1,286In Stock
1,500Expected 2026-02-20

Mfr. Part #
EFM8BB22F16G-C-QFN28R

Mouser Part #
634-8BB22F16GCQFN28R

Silicon Labs

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

Learn More

Datasheet

1,286In Stock

1,500Expected 2026-02-20

Cut Tape

$2.60

$2.20

$2.03

$1.83

Reel

$1.46

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

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

+ 85 C

EFM8BB2

Reel, Cut Tape, MouseReel

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

EFM8UB10F16G-C-QFN28
Silicon Labs
1: $2.85
475In Stock

Mfr. Part #
EFM8UB10F16G-C-QFN28

Mouser Part #
634-8UB10F16GCQFN28

Silicon Labs

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

Datasheet

475In Stock

$2.85

$2.51

$2.23

$2.15

View

Min.: 1
Mult.: 1

CIP-51 8051

16 kB

2.25 kB

QFN-28

50 MHz

12 bit

22 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8UB

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: $1.88
777In Stock
2,520Expected 2026-03-03

Mfr. Part #
EFM8UB10F8G-C-QFN20

Mouser Part #
634-8UB10F8GCQFN20

Silicon Labs

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

Datasheet

777In Stock

2,520Expected 2026-03-03

$1.88

$1.60

$1.47

$1.30

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

EFM8BB51F16G-C-TSSOP20
Silicon Labs
1: $1.30
500In Stock

Mfr. Part #
EFM8BB51F16G-C-TSSOP20

Mouser Part #
634-EFM8516GCTSSOP20

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

500In Stock

$1.30

$1.11

$1.04

$0.874

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

TSSOP-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 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

EFM8BB51F16G-C-QFN20
Silicon Labs
1: $1.44
156In Stock

Mfr. Part #
EFM8BB51F16G-C-QFN20

Mouser Part #
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

156In Stock

$1.44

$1.23

$1.14

$0.963

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

EFM8BB51F16I-C-QFN20
Silicon Labs
1: $2.46
194In Stock

Mfr. Part #
EFM8BB51F16I-C-QFN20

Mouser Part #
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

$2.46

$1.58

$1.43

$1.20

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

EFM8BB51F16I-C-TSSOP20
Silicon Labs
1: $1.66
148In Stock

Mfr. Part #
EFM8BB51F16I-C-TSSOP20

Mouser Part #
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

$1.66

$1.41

$1.24

$1.17

View

Min.: 1
Mult.: 1

16 kB

1.28 kB

TSSOP-20

16 I/O

1.8 V

5.5 V

SMD/SMT

- 40 C

+ 85 C

Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU

Mouser Electronics®

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