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8051 microcontroller Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

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

EFM8SB10F4G-A-QFN20R
Silicon Labs
1.500: $831
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8SB10F4G-A-QFN20R

Mouser Part #
634-8SB10F4GAQF20R

Silicon Labs

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$831

$822

Min.: 1.500
Mult.: 1.500

: 1.500

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

4 kB

512 B

12 bit

16 I/O

1.8 V

3.6 V

+ 85 C

Reel

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

EFM8BB52F32G-C-TSSOP28
Silicon Labs
1: $1.525
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F32G-C-TSSOP28

Mouser Part #
634-EFM852F32GCTOP28

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

$1.525

$1.294

$1.136

$1.004

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-28

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8SB20F32G-B-QFN24
Silicon Labs
1: $2.408
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8SB20F32G-B-QFN24

Mouser Part #
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

$2.408

$2.030

$1.693

$1.609

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CIP-51 8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

16 I/O

1.8 V

3.6 V

+ 85 C

Tube

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

EFM8BB50F8G-A-QFN16
Silicon Labs
1: $1.020
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB50F8G-A-QFN16

Mouser Part #
634-M8BB50F8GAQFN16

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$1.020

$871

$766

$684

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

8 bit

50 MHz

8 kB

512 B

12 bit

12 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

EFM8BB51F16G-C-TSSOP20R
Silicon Labs
1: $1.714
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB51F16G-C-TSSOP20R

Mouser Part #
634-EFM851GCTSSOP20R

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

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$1.714

$1.094

$979

$806

Reel

$556

View

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel, Cut Tape

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

EFM8BB52F16I-C-TSSOP20R
Silicon Labs
2.500: $556
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F16I-C-TSSOP20R

Mouser Part #
634-EFM852F16ITOP20R

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

Non-Stocked Lead-Time 24 Weeks

Reel

$556

$547

Min.: 2.500
Mult.: 2.500

: 2.500

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB52F32G-C-QFN20R
Silicon Labs
1: $1.230
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F32G-C-QFN20R

Mouser Part #
634-EFM852F32GQFN20R

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

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$1.230

$1.062

$925

$823

Reel

$584

View

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

EFM8BB52F32G-C-TSSOP28R
Silicon Labs
2.500: $674
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F32G-C-TSSOP28R

Mouser Part #
634-EFM852F32GTOP28R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$674

$662

Min.: 2.500
Mult.: 2.500

: 2.500

SMD/SMT

TSSOP-28

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB51F8I-C-QFN20R
Silicon Labs
1: $1.567
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB51F8I-C-QFN20R

Mouser Part #
634-EFM851F8ICQFN20R

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

Non-Stocked Lead-Time 24 Weeks

Cut Tape

$1.567

$998

$891

$733

Reel

$507

View

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel, Cut Tape

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

EFM8BB52F16I-C-QFN20
Silicon Labs
1: $1.967
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F16I-C-QFN20

Mouser Part #
634-EFM852F16ICQFN20

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

Non-Stocked Lead-Time 24 Weeks

$1.967

$1.199

$1.009

$765

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 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-QFN12
Silicon Labs
1: $904
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB50F4I-A-QFN12

Mouser Part #
634-M8BB50F4IAQFN12

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

Non-Stocked Lead-Time 12 Weeks

$904

$778

$685

$611

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-12

8 bit

50 MHz

4 kB

512 B

12 bit

9 I/O

1.8 V

5.5 V

+ 125 C

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-QFN12R
Silicon Labs
3.000: $389
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB50F4G-A-QFN12R

Mouser Part #
634-M8BB50F4GAQFN12R

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

Non-Stocked Lead-Time 12 Weeks

Reel

$389

$374

Min.: 3.000
Mult.: 3.000

: 3.000

SMD/SMT

QFN-12

8 bit

50 MHz

4 kB

512 B

12 bit

9 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB50F4G-A-QFN16R
Silicon Labs
3.000: $406
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB50F4G-A-QFN16R

Mouser Part #
634-M8BB50F4GAQFN16R

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

Non-Stocked Lead-Time 12 Weeks

Reel

$406

$390

Min.: 3.000
Mult.: 3.000

: 3.000

SMD/SMT

QFN-16

8 bit

50 MHz

4 kB

512 B

12 bit

12 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB50F4G-A-SOIC16R
Silicon Labs
2.500: $488
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB50F4G-A-SOIC16R

Mouser Part #
634-M8BB50F4GASIC16R

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

Non-Stocked Lead-Time 12 Weeks

Reel

$488

$469

Min.: 2.500
Mult.: 2.500

: 2.500

SMD/SMT

SOIC-16

8 bit

50 MHz

4 kB

512 B

12 bit

12 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB51F8I-C-TSSOP20R
Silicon Labs
2.500: $538
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB51F8I-C-TSSOP20R

Mouser Part #
634-EFM851F8ICTOP20R

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

Non-Stocked Lead-Time 24 Weeks

Reel

$538

$531

Min.: 2.500
Mult.: 2.500

: 2.500

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Reel

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

EFM8BB51F8I-C-QFN20
Silicon Labs
1: $1.557
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB51F8I-C-QFN20

Mouser Part #
634-EFM8B51F8ICQFN20

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

Non-Stocked Lead-Time 24 Weeks

$1.557

$997

$890

$732

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 25 GPIO BB5 8-bit MCU

EFM8BB52F16I-C-TSSOP28
Silicon Labs
1: $1.830
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
EFM8BB52F16I-C-TSSOP28

Mouser Part #
634-EFM852F16ITSOP28

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

$1.830

$1.167

$1.039

$769

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-28

16 kB

1.28 kB

16 I/O

1.8 V

5.5 V

+ 85 C

Cut Tape

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

EFM8BB10F8I-A-QFN20R
Silicon Labs
1: $2.345
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB10F8I-A-QFN20R

Mouser Part #
634-M8BB10F8IAQFN20R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$2.345

$1.504

$1.336

$1.104

Reel

$728

View

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

2.2 V

3.6 V

+ 125 C

Reel, Cut Tape

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

EFM8BB10F8A-A-QFN20R
Silicon Labs
1.500: $1.367
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
EFM8BB10F8A-A-QFN20R

Mouser Part #
634-M8BB10F8AAQFN20R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.367

Min.: 1.500
Mult.: 1.500

: 1.500

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

2.2 V

3.6 V

+ 125 C

AEC-Q100

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: $4.733
Non-Stocked Lead-Time 20 Weeks
End of Life

Mfr. Part #
EFM8SB20F64G-B-QFN32R

Mouser Part #
634-EFM8SB64GBQFN32R

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

Non-Stocked Lead-Time 20 Weeks

Cut Tape

$4.733

$3.134

$2.861

$2.429

Reel

$2.061

View

Min.: 1
Mult.: 1

: 1.500

Reel, Cut Tape

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 105

N76E616AM44
Nuvoton
480: $984
Non-Stocked Lead-Time 32 Weeks
Verify Status with Factory

Mfr. Part #
N76E616AM44

Mouser Part #
503-N76E616AM44

Verify Status with Factory

Nuvoton

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 105

Datasheet

Non-Stocked Lead-Time 32 Weeks

$984

$857

$798

Min.: 480
Mult.: 160

SMD/SMT

LQFP-44

8051

8 bit

16 MHz

18 kB

256 B

10 bit

42 I/O

2.4 V

5.5 V

+ 105 C

Tray

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

EFM8BB31F64I-D-QFN24R
Silicon Labs
1.500: $1.588
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
EFM8BB31F64I-D-QFN24R

Mouser Part #
634-EF8BB31F64IDF24R

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$1.588

Min.: 1.500
Mult.: 1.500

: 1.500

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32G-D-QFN24
Silicon Labs
1: $3.166
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
EFM8BB31F32G-D-QFN24

Mouser Part #
634-EF8BB31F32GDQF24

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$3.166

$2.061

$1.893

$1.620

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

32 kB

2.3 kB

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

+ 85 C

Tube

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

EFM8BB31F16I-D-5QFN32
Silicon Labs
1: $3.124
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
EFM8BB31F16I-D-5QFN32

Mouser Part #
634-EF8BB31F16ID5F32

Silicon Labs

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

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

$3.124

$2.030

$1.861

$1.599

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32G-D-QFN32R
Silicon Labs
1: $3.429
Non-Stocked Lead-Time 16 Weeks

Mfr. Part #
EFM8BB31F32G-D-QFN32R

Mouser Part #
634-EF8BB31F32GDN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$3.429

$2.230

$2.051

$1.756

Reel

$1.230

View

Min.: 1
Mult.: 1

: 2.500

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

32 kB

2.3 kB

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

+ 85 C

Reel, Cut Tape

8051 microcontroller Microcontrollers - MCU

Types of Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
LQFP-80
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-36
QFN-40

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
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB

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
19 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O