8-bit Microcontrollers - MCU – Mouser Singapore

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EFM8™ Sleepy Bee 8-bit MCUs

Silicon Labs EFM8™ Sleepy Bee Family of MCUs are energy-friendly 8-bit microcontrollers with comprehensive features in small packages. They have low power consumption by combining innovative low energy techniques and short wake-up times from energy-saving modes. The Silicon Labs EFM8 are well suited for any battery-operated applications.

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Part #

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

EFM8SB20F32G-B-QFN24R
Silicon Labs
1: $4.75
1,560In Stock

Mfr. Part No.
EFM8SB20F32G-B-QFN24R

Mouser Part No
634-EFM8SB32GBQFN24R

Silicon Labs

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

Learn More

Datasheet

1,560In Stock

Cut Tape

$4.75

$3.13

$2.89

$2.52

Reel

$1.61

View

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

32 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

Reel, Cut Tape

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

EFM8SB20F32G-B-QFN32R
Silicon Labs
1: $3.07
2,996In Stock

Mfr. Part No.
EFM8SB20F32G-B-QFN32R

Mouser Part No
634-EFM8SB32GBQFN32R

Silicon Labs

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

Learn More

Datasheet

2,996In Stock

Cut Tape

$3.07

$2.59

$2.40

$2.14

Reel

$1.79

View

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

32 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

Reel, Cut Tape

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

EFM8SB20F64G-B-QFN24
Silicon Labs
1: $3.95
2,911In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN24

Mouser Part No
634-EFM8SBF64GBQFN24

Silicon Labs

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

Learn More

Datasheet

2,911In Stock

$3.95

$3.54

$3.35

$2.91

View

Min.: 1
Mult.: 1

CIP-51 8051

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

EFM8SB20F64G-B-QFN24R
Silicon Labs
1: $3.48
1,500In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN24R

Mouser Part No
634-EFM8SB64GBQFN24R

Silicon Labs

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

Learn More

Datasheet

1,500In Stock

Cut Tape

$3.48

$2.92

$2.70

$2.42

View

Reel

$1.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

64 kB

4.25 kB

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel, Cut Tape, MouseReel

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

EFM8SB10F8A-A-QFN24
Silicon Labs
1: $3.29
1,561In Stock

Mfr. Part No.
EFM8SB10F8A-A-QFN24

Mouser Part No
634-FM8SB10F8AAQFN24

Silicon Labs

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

Learn More

Datasheet

1,561In Stock

$3.29

$3.03

$2.97

$2.93

View

Min.: 1
Mult.: 1

CIP-51 8051

8 kB

512 B

25 MHz

12 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

AEC-Q100

Tube

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

EFM8SB10F8A-A-QFN20R
Silicon Labs
1: $6.16
1,431In Stock

Mfr. Part No.
EFM8SB10F8A-A-QFN20R

Mouser Part No
634-M8SB10F8AAQFN20R

Silicon Labs

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

Learn More

Datasheet

1,431In Stock

Cut Tape

$6.16

$4.10

$3.78

$3.29

Reel

$2.28

View

Min.: 1
Mult.: 1

Reel: 1,500

CIP-51 8051

8 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

EFM8SB

AEC-Q100

Reel, Cut Tape

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

EFM8SB20F64G-B-QFN32
Silicon Labs
1: $3.11
1,586In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN32

Mouser Part No
634-EFM8SBF64GBQFN32

Silicon Labs

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

Learn More

Datasheet

1,586In Stock

$3.11

$2.82

$2.70

$2.59

View

Min.: 1
Mult.: 1

CIP-51 8051

64 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 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-QFN32
Silicon Labs
1: $5.12
1,357In Stock

Mfr. Part No.
EFM8SB20F32G-B-QFN32

Mouser Part No
634-EFM8SBF32GBQFN32

Silicon Labs

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

Learn More

Datasheet

1,357In Stock

$5.12

$3.29

$2.38

$2.15

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 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 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F16G-B-QFN24
Silicon Labs
1: $2.54
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

$2.54

$2.15

$1.79

$1.71

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: $4.03
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

$4.03

$3.38

$3.13

$2.79

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: $4.13
739In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFP32

Mouser Part No
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

$4.13

$3.46

$3.21

$2.88

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

EFM8SB20F16G-B-QFN24R
Silicon Labs
1,500: $1.43
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F16G-B-QFN24R

Mouser Part No
634-EFM8SB16GBQFN24R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.43

$1.40

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

Reel: 1,500

CIP-51 8051

16 kB

4.25 kB

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel

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

EFM8SB20F32G-B-QFP32R
Silicon Labs
500: $2.36
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F32G-B-QFP32R

Mouser Part No
634-EFM8SB32GBQFP32R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.36

$2.27

$2.22

$2.20

Min.: 500
Mult.: 500

Reel: 500

EFM8SB

Reel

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

EFM8SB20F64G-B-QFN32R
Silicon Labs
1,500: $2.25
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F64G-B-QFN32R

Mouser Part No
634-EFM8SB64GBQFN32R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.25

$2.24

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

Reel: 1,500

EFM8SB

Reel

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

EFM8SB20F64G-B-QFP32R
Silicon Labs
500: $2.96
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F64G-B-QFP32R

Mouser Part No
634-EFM8SB64GBQFP32R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.96

$2.74

$2.71

$2.68

Min.: 500
Mult.: 500

Reel: 500

EFM8SB

Reel

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

EFM8SB20F32G-B-QFN24
Silicon Labs
1: $4.75
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F32G-B-QFN24

Mouser Part No
634-EFM8SBF32GBQFN24

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$4.75

$3.04

$2.11

$1.92

View

Min.: 1
Mult.: 1

CIP-51 8051

32 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 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8A-A-QFN20
Silicon Labs
2,100: $2.04
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB10F8A-A-QFN20

Mouser Part No
634-FM8SB10F8AAQFN20

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.04

Min.: 2,100
Mult.: 2,100

EFM8SB

AEC-Q100

Tube

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

EFM8SB10F8A-A-QFN24R
Silicon Labs
1,500: $2.40
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB10F8A-A-QFN24R

Mouser Part No
634-M8SB10F8AAQFN24R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.40

$2.38

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

Reel: 1,500

CIP-51 8051

8 kB

512 B

QFN-24

25 MHz

12 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

AEC-Q100

Reel

EFM8™ Sleepy Bee 8-bit MCUs

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