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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 605

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Core = 8051

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Part #

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48

C8051F500-IQR
Silicon Labs
1: Rp241.250
23In Stock
End of Life

Mfr. Part No.
C8051F500-IQR

Mouser Part No
634-C8051F500-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP48

Datasheet

23In Stock

Cut Tape

Rp241.250

Rp190.065

Rp180.158

Rp166.215

Reel

Rp165.114

MouseReel Available

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

C8051F501-IQ
Silicon Labs
1: Rp230.976
20In Stock
End of Life

Mfr. Part No.
C8051F501-IQ

Mouser Part No
634-C8051F501-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

Datasheet

20In Stock

Rp230.976

Rp189.514

Rp170.801

Rp161.261

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

C8051F503-IM
Silicon Labs
1: Rp231.527
44In Stock
End of Life

Mfr. Part No.
C8051F503-IM

Mouser Part No
634-C8051F503-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

Datasheet

44In Stock

Rp231.527

Rp188.230

Rp179.424

Rp155.758

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

25 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

C8051F505-IQR
Silicon Labs
1: Rp238.498
21In Stock
End of Life

Mfr. Part No.
C8051F505-IQR

Mouser Part No
634-C8051F505-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48

Datasheet

21In Stock

Cut Tape

Rp238.498

Rp193.917

Rp184.928

Rp160.528

Rp153.373

Reel

Rp147.135

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

8051

8 bit

50 MHz

32 kB

4.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

Reel, Cut Tape

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

C8051F581-IM
Silicon Labs
1: Rp320.872
107In Stock
End of Life

Mfr. Part No.
C8051F581-IM

Mouser Part No
634-C8051F581-IM

End of Life

Silicon Labs

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

Learn More

Datasheet

107In Stock

Rp320.872

Rp243.818

Rp233.728

Rp205.842

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F581-IQ
Silicon Labs
1: Rp318.670
15In Stock
End of Life

Mfr. Part No.
C8051F581-IQ

Mouser Part No
634-C8051F581-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

15In Stock

Rp318.670

Rp259.596

Rp233.912

Rp214.098

Rp205.475

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

C8051F581-IQR
Silicon Labs
1: Rp323.440
15In Stock
End of Life

Mfr. Part No.
C8051F581-IQR

Mouser Part No
634-C8051F581-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48

Datasheet

15In Stock

Cut Tape

Rp323.440

Rp252.441

Rp228.041

Rp208.961

Reel

Rp193.734

MouseReel Available

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GM
Silicon Labs
1: Rp104.205
305In Stock
End of Life

Mfr. Part No.
C8051F931-G-GM

Mouser Part No
634-C8051F931-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

305In Stock

Rp104.205

Rp86.593

Rp73.017

Rp69.715

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GMR
Silicon Labs
1: Rp108.425
99In Stock
End of Life

Mfr. Part No.
C8051F931-G-GMR

Mouser Part No
634-C8051F931-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

99In Stock

Cut Tape

Rp108.425

Rp88.428

Rp76.870

Rp72.834

View

Reel

Rp53.937

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU

SMD/SMT

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 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: Rp189.147
1.410Expected 10/09/2026

Mfr. Part No.
AT89C51ED2-SLSUM

Mouser Part No
556-A89C51ED2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Learn More

Datasheet

1.410Expected 10/09/2026

Rp189.147

Rp173.370

Rp157.042

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

34 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: Rp101.270
1.497Expected 12/11/2026

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

1.497Expected 12/11/2026

Cut Tape

Rp101.270

Rp69.531

Rp64.761

Rp57.056

View

Reel

Rp41.829

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

Reel, Cut Tape, MouseReel

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

C8051F860-C-GSR
Silicon Labs
1: Rp57.423
3.674Expected 15/09/2026

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 15/09/2026

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 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 16K Bytes Shared with LDROM

MS51FB9AE
Nuvoton
1: Rp25.684
85In Stock
5.106On Order

Mfr. Part No.
MS51FB9AE

Mouser Part No
503-MS51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

85In Stock

5.106On Order

Cut Tape

Rp25.684

Rp17.209

Rp14.530

Reel

Rp14.530

Rp11.888

View

Min.: 1
Mult.: 1

: 74

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

18 I/O

- 40 C

+ 105 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ID2-20AU
Microchip Technology
1: Rp110.626
480Expected 19/11/2026

Mfr. Part No.
AT89LP51ID2-20AU

Mouser Part No
556-AT89LP51ID2-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

480Expected 19/11/2026

Rp110.626

Rp101.270

Rp91.730

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC IC RF ZigBee 802.15. 4 SoC w/USB A 595-C A 595-CC2531F256RHAR

CC2531F256RHAT
Texas Instruments
1: Rp224.372
329Expected 13/10/2026

Mfr. Part No.
CC2531F256RHAT

Mouser Part No
595-CC2531F256RHAT

Texas Instruments

RF System on a Chip - SoC IC RF ZigBee 802.15. 4 SoC w/USB A 595-C A 595-CC2531F256RHAR

Learn More

Datasheet

329Expected 13/10/2026

Cut Tape

Rp224.372

Rp186.212

Rp174.837

Rp161.078

Reel

Rp156.308

MouseReel Available

Min.: 1
Mult.: 1

: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-40

8051

256 kB

8 kB

- 40 C

+ 125 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

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

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

AT89C2051-12SU
Microchip Technology
1: Rp27.702
110Expected 09/09/2026

Mfr. Part No.
AT89C2051-12SU

Mouser Part No
556-A89C205112SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

Datasheet

110Expected 09/09/2026

Rp27.702

Rp25.501

Rp22.933

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

8051

8 bit

12 MHz

2 kB

128 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

AT89C4051-12SU
Microchip Technology
1: Rp27.519
552On Order

Mfr. Part No.
AT89C4051-12SU

Mouser Part No
556-A89C405112SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

Datasheet

552On Order

Rp27.519

Rp25.317

Rp22.749

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

8051

8 bit

12 MHz

4 kB

128 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-3CSUM
Microchip Technology
1: Rp137.595
120Expected 02/11/2026

Mfr. Part No.
AT89C51RB2-3CSUM

Mouser Part No
556-A89C51RB2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

120Expected 02/11/2026

Rp137.595

Rp126.220

Rp114.296

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ED2-20PU
Microchip Technology
1: Rp108.241
140Expected 10/09/2026

Mfr. Part No.
AT89LP51ED2-20PU

Mouser Part No
556-AT89LP51ED2-20PU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

140Expected 10/09/2026

Rp108.241

Rp99.068

Rp89.712

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

AT89LP52-20JU
Microchip Technology
1: Rp63.294
130Expected 14/09/2026

Mfr. Part No.
AT89LP52-20JU

Mouser Part No
556-AT89LP52-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

Learn More

Datasheet

130Expected 14/09/2026

Rp63.294

Rp57.973

Rp55.772

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

8 kB

256 B

No ADC

36 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: Rp627.617
248Expected 25/02/2027
End of Life

Mfr. Part No.
C8051F006-GQ

Mouser Part No
634-C8051F006-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

Datasheet

248Expected 25/02/2027

Rp627.617

Rp528.365

Rp476.996

Rp460.118

Rp441.955

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

16 I/O

- 40 C

+ 85 C

Tray

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

Rp432.782

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

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-82
LGA-42
LQFP-32
LQFP-44
LQFP-48
LQFP-64
MSOP-10
PDIP-20
PDIP-40
PLCC-28
PLCC-44
PLCC-68
PQFP-44
PQFP-48
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32
QFN-33

128 B
256 B
512 B
768 B
1 kB
1.2 kB
1.25 kB
1.28 kB
1.54 kB
1.75 kB
2 KB
2 kB
2.25 kB
2.3 kB
2.31 kB
4 kB
4.25 kB
4.35 kB
4352 B
6 kB

4 I/O
5 I/O
6 I/O
7 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
23 I/O
24 I/O
25 I/O
26 I/O