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8051 microcontroller Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Part #

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

N79E715AS16
Nuvoton
864: Rp10.549
Non-Stocked Lead-Time 26 Weeks
NRND

Mfr. Part No.
N79E715AS16

Mouser Part No
503-N79E715AS16

NRND

Nuvoton

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

Datasheet

Non-Stocked Lead-Time 26 Weeks

Rp10.549

Rp8.861

Rp7.705

Min.: 864
Mult.: 48

8-bit Microcontrollers - MCU

SMD/SMT

SOP-16

8051

8 bit

24 MHz

16 kB

256 B

10 bit

25 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F16E-C-QFN24R
Silicon Labs
1.500: Rp22.382
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F16E-C-QFN24R

Mouser Part No
634-LB11F16ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

Rp22.382

Min.: 1.500
Mult.: 1.500

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

72 MHz

16 kB

1.25 kB

10 bit/12 bit/14 bit

20 I/O

- 40 C

+ 105 C

Reel

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F32E-C-QFP32R
Silicon Labs
500: Rp35.775
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F32E-C-QFP32R

Mouser Part No
634-LB11F32ECQFP32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

Rp35.775

Rp33.390

Rp32.839

Rp32.472

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

CIP-51 8051

8 bit

72 MHz

32 kB

2.25 kB

10 bit/12 bit/14 bit

28 I/O

- 40 C

+ 105 C

Reel

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

EFM8BB31F16I-D-5QFN32R
Silicon Labs
1: Rp54.488
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F16I-D-5QFN32R

Mouser Part No
634-EF8BB31F16ID532R

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

Cut Tape

Rp54.488

Rp35.408

Rp32.472

Rp27.886

Reel

Rp19.630

View

Min.: 1
Mult.: 1

: 1.500

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

+ 125 C

Reel, Cut Tape

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

EFM8BB31F16A-D-4QFN24R
Silicon Labs
1.500: Rp33.206
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F16A-D-4QFN24R

Mouser Part No
634-EF8BB31F16AD424R

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

Reel

Rp33.206

Rp33.023

Min.: 1.500
Mult.: 1.500

: 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

+ 125 C

Reel

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

EFM8BB31F64A-D-5QFN32
Silicon Labs
1.533: Rp44.030
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F64A-D-5QFN32

Mouser Part No
634-EF8BB31F64AD5F32

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

Rp44.030

Rp43.297

Min.: 1.533
Mult.: 1.533

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

+ 125 C

Tube

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

EFM8BB31F32A-D-5QFN32
Silicon Labs
1.533: Rp39.077
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F32A-D-5QFN32

Mouser Part No
634-EF8BB31F32AD5F32

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

Rp39.077

Rp38.160

Rp37.976

Min.: 1.533
Mult.: 1.533

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

32 kB

2.3 kB

10 bit, 12 bit

29 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

EFM8BB22F16I-C-QFN28R
Silicon Labs
1.500: Rp22.933
Non-Stocked Lead-Time 31 Weeks

Mfr. Part No.
EFM8BB22F16I-C-QFN28R

Mouser Part No
634-8BB22F16ICQFN28R

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 31 Weeks

Reel

Rp22.933

Min.: 1.500
Mult.: 1.500

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-28

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

12 bit

22 I/O

- 40 C

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F32E-C-QFN32
Silicon Labs
2.450: Rp27.702
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F32E-C-QFN32

Mouser Part No
634-LB11F32ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Rp27.702

Min.: 2.450
Mult.: 2.450

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

72 MHz

32 kB

2.25 kB

10 bit/12 bit/14 bit

29 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFN24R
Silicon Labs
1.500: Rp20.914
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB10F16E-C-QFN24R

Mouser Part No
634-LB10F16ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

Rp20.914

Rp20.731

Min.: 1.500
Mult.: 1.500

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

72 MHz

16 kB

1.25 kB

10 bit/12 bit/14 bit

20 I/O

- 40 C

+ 105 C

Reel

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

EFM8SB10F8A-A-QFN20
Silicon Labs
1: Rp54.121
Non-Stocked Lead-Time 20 Weeks
End of Life

Mfr. Part No.
EFM8SB10F8A-A-QFN20

Mouser Part No
634-FM8SB10F8AAQFN20

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

Non-Stocked Lead-Time 20 Weeks

Rp54.121

Rp45.315

Rp44.214

Rp42.930

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

AEC-Q100

Tube

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

EFM8BB31F16G-D-QFP32R
Silicon Labs
1: Rp58.524
Non-Stocked Lead-Time 30 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16G-D-QFP32R

Mouser Part No
634-EF8BB31F16GDP32R

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

Non-Stocked Lead-Time 30 Weeks

Cut Tape

Rp58.524

Rp38.160

Rp35.041

Rp30.087

Rp28.253

Reel

Rp24.033

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

28 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFP48
Silicon Labs
1: Rp80.172
Lead-Time 31 Weeks
End of Life

Mfr. Part No.
EFM8UB20F64G-B-QFP48

Mouser Part No
634-EFM8UBF64GBQFP48

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

Lead-Time 31 Weeks

Rp80.172

Rp66.963

Rp58.707

Rp55.772

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

CIP-51 8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

40 I/O

- 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-QFN20R
Silicon Labs
1.500: Rp12.934
Non-Stocked Lead-Time 30 Weeks
End of Life

Mfr. Part No.
EFM8BB10F4I-A-QFN20R

Mouser Part No
634-M8BB10F4IAQFN20R

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

Non-Stocked Lead-Time 30 Weeks

Reel

Rp12.934

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

4 kB

512 B

12 bit

16 I/O

- 40 C

+ 125 C

Reel, Cut Tape

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

EFM8BB31F16I-D-QFN24R
Silicon Labs
1: Rp52.286
Non-Stocked Lead-Time 29 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16I-D-QFN24R

Mouser Part No
634-EF8BB31F16IDF24R

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

Non-Stocked Lead-Time 29 Weeks

Cut Tape

Rp52.286

Rp33.940

Rp30.821

Rp25.868

View

Reel

Rp19.447

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

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F390-A-GM
Silicon Labs
1: Rp75.769
1.592Expected 26/08/2026

Mfr. Part No.
C8051F390-A-GM

Mouser Part No
634-C8051F390-A-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Learn More

Datasheet

1.592Expected 26/08/2026

Rp75.769

Rp62.560

Rp53.020

Rp50.635

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

50 MHz

16 kB

1 kB

10 bit

21 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

C8051F351-GM
Silicon Labs
1: Rp268.035
1.528Expected 18/08/2026

Mfr. Part No.
C8051F351-GM

Mouser Part No
634-C8051F351-GM

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

Datasheet

1.528Expected 18/08/2026

Rp268.035

Rp222.354

Rp193.550

Rp186.028

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-28

8051

8 bit

50 MHz

8 kB

768 B

24 bit

17 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: Rp156.308
6.694Expected 01/01/2027
End of Life

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

6.694Expected 01/01/2027

Rp156.308

Rp109.159

Rp104.205

Rp83.841

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: Rp57.423
3.674Expected 11/09/2026

Mfr. Part No.
C8051F860-C-GSR

Mouser Part No
634-C8051F860-C-GSR

Silicon Labs

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

Learn More

Datasheet

3.674Expected 11/09/2026

Cut Tape

Rp57.423

Rp47.149

Rp40.728

Rp38.160

Reel

Rp28.987

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-16

8051

8 bit

25 MHz

8 kB

512 B

12 bit

13 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

C8051F301-GMR
Silicon Labs
1: Rp161.078
3.000Expected 27/11/2026

Mfr. Part No.
C8051F301-GMR

Mouser Part No
634-C8051F301-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

Datasheet

3.000Expected 27/11/2026

Cut Tape

Rp161.078

Rp120.717

Rp115.213

Rp99.986

View

Reel

Rp78.704

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-11

8051

8 bit

25 MHz

8 kB

256 B

No ADC

8 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core

LPC1754FBD80,518
NXP Semiconductors
1: Rp206.943
1.000Expected 07/09/2026

Mfr. Part No.
LPC1754FBD80,518

Mouser Part No
771-LPC1754FBD80518

NXP Semiconductors

ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core

Datasheet

1.000Expected 07/09/2026

Cut Tape

Rp206.943

Rp161.995

Rp150.621

Rp138.329

View

Reel

Rp126.954

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-80

ARM Cortex M3

32 bit

100 MHz

128 kB

32 kB

12 bit

52 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F042-GQR
Silicon Labs
1: Rp527.814
246Expected 11/09/2026
End of Life

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

End of Life

Silicon Labs

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

Datasheet

246Expected 11/09/2026

Cut Tape

Rp527.814

Rp439.754

Rp431.865

Rp418.472

Reel

Rp355.362

Min.: 1
Mult.: 1

: 250

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

64 I/O

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F580-IM
Silicon Labs
1: Rp310.965
810Expected 29/01/2027
End of Life

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

End of Life

Silicon Labs

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

Learn More

Datasheet

810Expected 29/01/2027

Rp310.965

Rp268.585

Rp233.912

Rp222.354

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

24 MHz

128 kB

8.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F040-GQ
Silicon Labs
1: Rp587.989
425Expected 30/10/2026
End of Life

Mfr. Part No.
C8051F040-GQ

Mouser Part No
634-C8051F040-GQ

End of Life

Silicon Labs

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

Datasheet

425Expected 30/10/2026

Rp587.989

Rp490.939

Rp429.663

Rp416.087

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

8 bit, 12 bit

64 I/O

- 40 C

+ 85 C

Tray

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

C8051F330-GM
Silicon Labs
1: Rp199.054
1.911Expected 16/10/2026
NRND

Mfr. Part No.
C8051F330-GM

Mouser Part No
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

1.911Expected 16/10/2026

Rp199.054

Rp165.114

Rp140.714

Rp135.027

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

768 B

10 bit

17 I/O

- 40 C

+ 85 C

Tube

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