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8051 microcontroller Embedded Processors & Controllers

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Part #

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFP48
Silicon Labs
1: Rp70.265
7.873In Stock
End of Life

Mfr. Part No.
EFM8UB20F32G-B-QFP48

Mouser Part No
634-EFM8UBF32GBQFP48

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

7.873In Stock

Rp70.265

Rp58.707

Rp54.488

Rp52.836

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

CIP-51 8051

8 bit

48 MHz

32 kB

2.25 kB

10 bit

40 I/O

- 40 C

+ 85 C

Tray

RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm

SI1061-A-GM
Silicon Labs
1: Rp171.719
2.389In Stock

Mfr. Part No.
SI1061-A-GM

Mouser Part No
634-SI1061-A-GM

Silicon Labs

RF Microcontrollers - MCU RF+MCU 8051 25 MHz 64 kB +20 dBm

Learn More

Datasheet

2.389In Stock

Rp171.719

Rp151.355

Rp139.430

Rp132.458

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

QFN-36

8051

8 bit

25 MHz

32 kB

4 kB

10 bit

11 I/O

- 40 C

+ 85 C

Tray

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

EFM8SB10F8G-A-QFN24
Silicon Labs
1: Rp29.904
1.816In Stock

Mfr. Part No.
EFM8SB10F8G-A-QFN24

Mouser Part No
634-8SB10F8GAQF24

Silicon Labs

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

Learn More

Datasheet

1.816In Stock

Rp29.904

Rp25.317

Rp21.465

Rp19.997

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

25 MHz

8 kB

512 B

12 bit

17 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

EFM8BB10F2G-A-QFN20
Silicon Labs
1: Rp15.778
15.995In Stock

Mfr. Part No.
EFM8BB10F2G-A-QFN20

Mouser Part No
634-8BB10F2GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

15.995In Stock

Rp15.778

Rp13.448

Rp11.815

Rp11.613

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

2 kB

256 B

12 bit

16 I/O

- 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-QFN24R
Silicon Labs
1: Rp31.188
5.763In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN24R

Mouser Part No
634-EF8BB31F16GDF24R

Silicon Labs

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

Learn More

Datasheet

5.763In Stock

Cut Tape

Rp31.188

Rp25.868

Rp22.382

Rp21.098

Reel

Rp15.246

View

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

20 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V

CY8C3865AXI-019
Infineon Technologies
1: Rp425.077
220In Stock

Mfr. Part No.
CY8C3865AXI-019

Mouser Part No
727-CY8C3865AXI-019

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

220In Stock

Rp425.077

Rp332.430

Rp317.569

Rp283.996

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

67 MHz

32 kB

4 kB

20 bit

72 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866LTI-030
Infineon Technologies
1: Rp351.509
824In Stock

Mfr. Part No.
CY8C3866LTI-030

Mouser Part No
727-CY8C3866LTI-030

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

824In Stock

Rp351.509

Rp292.435

Rp277.392

Rp262.164

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-68

8051

8 bit

67 MHz

64 kB

8 kB

20 bit

48 I/O

- 40 C

+ 85 C

Tray

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

EFM8BB52F16G-C-TSSOP28
Silicon Labs
1: Rp22.015
8.268In Stock

Mfr. Part No.
EFM8BB52F16G-C-TSSOP28

Mouser Part No
634-EFM852F16GTSOP28

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

8.268In Stock

Rp22.015

Rp18.896

Rp16.511

Rp15.594

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-28

16 kB

1.28 kB

25 I/O

- 40 C

+ 85 C

Cut Tape

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

EFM8BB31F64I-D-4QFN24
Silicon Labs
1: Rp73.934
3.658In Stock

Mfr. Part No.
EFM8BB31F64I-D-4QFN24

Mouser Part No
634-EF8BB31F64ID4F24

Silicon Labs

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

Learn More

Datasheet

3.658In Stock

Rp73.934

Rp48.984

Rp44.581

Rp37.793

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

20 I/O

- 40 C

+ 125 C

Tube

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

EFM8BB31F16G-D-QFN32
Silicon Labs
1: Rp31.005
3.894In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN32

Mouser Part No
634-EF8BB31F16GDQN32

Silicon Labs

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

Learn More

Datasheet

3.894In Stock

Rp31.005

Rp26.235

Rp24.400

Rp21.832

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

29 I/O

- 40 C

+ 85 C

Tray

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

EFM8BB31F64G-D-QFP32
Silicon Labs
1: Rp58.340
5.975In Stock

Mfr. Part No.
EFM8BB31F64G-D-QFP32

Mouser Part No
634-EF8BB31F64GDQP32

Silicon Labs

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

Learn More

Datasheet

5.975In Stock

Rp58.340

Rp46.599

Rp43.113

Rp37.976

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

28 I/O

- 40 C

+ 85 C

Tray

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

EFM8BB31F32G-D-QFN24R
Silicon Labs
1: Rp55.221
8.212In Stock

Mfr. Part No.
EFM8BB31F32G-D-QFN24R

Mouser Part No
634-EF8BB31F32GDF24R

Silicon Labs

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

Learn More

Datasheet

8.212In Stock

Cut Tape

Rp55.221

Rp35.958

Rp33.023

Rp28.253

View

Reel

Rp22.199

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

32 kB

2.3 kB

10 bit, 12 bit

20 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

CY8C3866PVI-021T
Infineon Technologies
1: Rp436.451
1.000In Stock

Mfr. Part No.
CY8C3866PVI-021T

Mouser Part No
727-CY8C3866PVI-021T

Infineon Technologies

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

Learn More

Datasheet

1.000In Stock

Cut Tape

Rp436.451

Rp352.610

Rp338.117

Rp297.939

View

Reel

Rp252.441

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

8-bit Microcontrollers - MCU

SMD/SMT

SSOP-48

8051

8 bit

67 MHz

64 kB

8 kB

20 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246LTI-125
Infineon Technologies
1: Rp221.987
1.094In Stock

Mfr. Part No.
CY8C3246LTI-125

Mouser Part No
727-CY8C3246LTI-125

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

1.094In Stock

Rp221.987

Rp173.920

Rp154.657

Rp148.786

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

50 MHz

64 kB

8 kB

12 bit

31 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246LTI-162
Infineon Technologies
1: Rp227.490
299In Stock

Mfr. Part No.
CY8C3246LTI-162

Mouser Part No
727-CY8C3246LTI-162

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

299In Stock

Rp227.490

Rp184.928

Rp176.305

Rp153.189

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

50 MHz

64 kB

8 kB

12 bit

29 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?

N76E003AQ20
Nuvoton
1: Rp27.336
1.126In Stock

Mfr. Part No.
N76E003AQ20

Mouser Part No
503-N76E003AQ20

Nuvoton

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?

Datasheet

1.126In Stock

Cut Tape

Rp27.336

Rp17.410

Rp15.539

Rp12.787

Reel

Rp8.256

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

16 MHz

18 kB

256 B

12 bit

18 I/O

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

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

EFM8SB20F64G-B-QFN24R
Silicon Labs
1: Rp54.671
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

Rp54.671

Rp44.764

Rp38.710

Rp36.509

Reel

Rp27.336

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

CIP-51 8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8BB31F64G-D-QFN32R
Silicon Labs
1: Rp72.834
2.078In Stock

Mfr. Part No.
EFM8BB31F64G-D-QFN32R

Mouser Part No
634-EF8BB31F64GDN32R

Silicon Labs

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

Learn More

Datasheet

2.078In Stock

Cut Tape

Rp72.834

Rp48.067

Rp43.847

Rp37.242

Reel

Rp26.235

View

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

29 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

AT89LP51-20JU
Microchip Technology
1: Rp63.477
404In Stock

Mfr. Part No.
AT89LP51-20JU

Mouser Part No
556-AT89LP51-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

Learn More

Datasheet

404In Stock

Rp63.477

Rp58.707

Rp58.524

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

4 kB

256 B

No ADC

36 I/O

- 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-QFN24
Silicon Labs
1: Rp29.537
4.302In Stock

Mfr. Part No.
EFM8BB31F16G-D-QFN24

Mouser Part No
634-EF8BB31F16GDQF24

Silicon Labs

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

Learn More

Datasheet

4.302In Stock

Rp29.537

Rp28.069

Rp24.951

Rp21.832

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

20 I/O

- 40 C

+ 85 C

Tube

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR

CC2510F32RHHT
Texas Instruments
1: Rp155.758
250In Stock

Mfr. Part No.
CC2510F32RHHT

Mouser Part No
595-CC2510F32RHHT

Texas Instruments

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR

Datasheet

250In Stock

Cut Tape

Rp155.758

Rp122.368

Rp113.378

Rp103.655

Reel

Rp94.665

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-36

8051

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8BB52F16I-C-TSSOP28R
Silicon Labs
1: Rp36.692
2.435In Stock

Mfr. Part No.
EFM8BB52F16I-C-TSSOP28R

Mouser Part No
634-EFM852F16ITOP28R

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

2.435In Stock

Cut Tape

Rp36.692

Rp23.483

Rp20.914

Rp17.154

Reel

Rp10.751

View

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-28

16 kB

1.28 kB

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

CY8C3244LTI-130
Infineon Technologies
1: Rp184.744
368In Stock

Mfr. Part No.
CY8C3244LTI-130

Mouser Part No
727-CY8C3244LTI-130

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

368In Stock

Rp184.744

Rp143.649

Rp127.138

Rp122.001

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-68

8051

8 bit

50 MHz

16 kB

2 kB

12 bit

46 I/O

- 40 C

+ 85 C

Tray

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

EFM8BB21F16I-C-QFN20
Silicon Labs
1: Rp32.106
4.782In Stock

Mfr. Part No.
EFM8BB21F16I-C-QFN20

Mouser Part No
634-8BB21F16I-CQFN20

Silicon Labs

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

Learn More

Datasheet

4.782In Stock

Rp32.106

Rp27.152

Rp25.317

Rp22.199

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

12 bit

16 I/O

- 40 C

+ 125 C

Tube

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

EFM8SB20F32G-B-QFN24R
Silicon Labs
1: Rp66.413
865In 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

865In Stock

Cut Tape

Rp66.413

Rp48.433

Rp27.152

Reel

Rp24.951

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

CSP-16
DFN-10
LQFP-32
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
QFN-48
QFN-68

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