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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 555

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Core = 8051

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Part #

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

C8051F581-IQR
Silicon Labs
1: $23.32
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

$23.32

$18.35

$17.27

$15.49

$15.42

Reel

$13.83

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFN-48

8051

40 I/O

8 bit

12 bit

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

C8051F931-G-GM
Silicon Labs
1: $6.75
310In 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

310In Stock

$6.75

$5.60

$4.73

$4.65

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

16 I/O

8 bit

10 bit

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

C8051F931-G-GMR
Silicon Labs
1: $7.59
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

$7.59

$6.17

$5.70

$5.09

Reel

$4.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

8051

16 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CAN/C51 Boot CAN

AT89C51CC02CA-RATUM
Microchip Technology
1: $11.11
500Expected 24/8/2026

Mfr. Part No.
AT89C51CC02CA-RATUM

Mouser Part No
556-A89C51C02CARATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN/C51 Boot CAN

Learn More

Datasheet

500Expected 24/8/2026

$11.11

Min.: 1
Mult.: 1

SMD/SMT

VQFP-32

8051

20 I/O

8 bit

10 bit

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

AT89C51ED2-SLSUM
Microchip Technology
1: $14.02
1,413Expected 28/9/2026

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

1,413Expected 28/9/2026

$14.02

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

34 I/O

8 bit

No ADC

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

C8051F351-GM
Silicon Labs
1: $19.87
1,528Expected 18/8/2026

Mfr. Part No.
C8051F351-GM

Mouser Part No
634-C8051F351-GM

Silicon Labs

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

Datasheet

1,528Expected 18/8/2026

$19.87

$16.48

$14.35

$13.79

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 bit

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

C8051F390-A-GM
Silicon Labs
1: $5.40
1,862Expected 18/8/2026

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

1,862Expected 18/8/2026

$5.40

$4.50

$3.78

$3.60

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

21 I/O

8 bit

10 bit

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

C8051F860-C-GSR
Silicon Labs
1: $4.01
3,674Expected 8/9/2026

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 8/9/2026

Cut Tape

$4.01

$3.29

$3.03

$2.69

Reel

$2.05

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SOIC-16

8051

13 I/O

8 bit

12 bit

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

C8051F530A-IT
Silicon Labs
1: $11.59
6,694Expected 1/1/2027
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 1/1/2027

$11.59

$8.09

$7.72

$6.22

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

16 I/O

8 bit

12 bit

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

AT89LP51ID2-20AU
Microchip Technology
1: $8.20
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

$8.20

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

40 I/O

8 bit

10 bit

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

C8051F301-GMR
Silicon Labs
1: $11.94
3,000Expected 11/12/2026

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 11/12/2026

Cut Tape

$11.94

$8.95

$8.54

$7.41

View

Reel

$5.83

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-11

8051

8 I/O

8 bit

No ADC

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

C8051F330-GM
Silicon Labs
1: $13.41
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

$13.41

$11.11

$9.48

$9.08

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

17 I/O

8 bit

10 bit

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

AT89C4051-12SU
Microchip Technology
1: $2.04
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

$2.04

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

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

AT89LP51ED2-20PU
Microchip Technology
1: $8.02
140Expected 18/8/2026

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 18/8/2026

$8.02

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

40 I/O

8 bit

10 bit

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

C8051F006-GQ
Silicon Labs
1: $42.61
99Expected 13/11/2026
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

99Expected 13/11/2026

$42.61

$35.90

$34.07

$30.99

$29.77

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

16 I/O

8 bit

12 bit

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

C8051F040-GQ
Silicon Labs
1: $44.92
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

$44.92

$38.56

$36.83

$32.93

$31.42

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

8 bit, 12 bit

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

C8051F042-GQR
Silicon Labs
1: $39.13
246Expected 11/9/2026
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 11/9/2026

Cut Tape

$39.13

$32.60

$32.01

$31.02

Reel

$26.34

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

C8051F331-GMR
Silicon Labs
1: $14.43
1,500Expected 16/10/2026
End of Life

Mfr. Part No.
C8051F331-GMR

Mouser Part No
634-C8051F331-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

Datasheet

1,500Expected 16/10/2026

Cut Tape

$14.43

$11.15

$10.64

$9.23

View

Reel

$8.43

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

17 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

C8051F531-C-IT
Silicon Labs
1: $9.10
1,551Expected 1/1/2027
End of Life

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

Datasheet

1,551Expected 1/1/2027

$9.10

$7.55

$6.49

$6.43

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

16 I/O

8 bit

12 bit

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

C8051F580-IM
Silicon Labs
1: $25.08
810Expected 29/1/2027
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 29/1/2027

$25.08

$19.05

$17.46

$15.79

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

40 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

AT89C51AC3-RDTUM
Microchip Technology
1: $13.89
Lead-Time 8 Weeks

Mfr. Part No.
AT89C51AC3-RDTUM

Mouser Part No
556-A89C51AC3RDTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

Learn More

Datasheet

Lead-Time 8 Weeks

$13.89

Min.: 1
Mult.: 1

SMD/SMT

VQFP-64

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND

AT89C51CC02UA-RATUM
Microchip Technology
250: $11.11
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
AT89C51CC02UA-RATUM

Mouser Part No
556-A89C51C02UARATUM

Microchip Technology

8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$11.11

Min.: 250
Mult.: 250

SMD/SMT

VQFP-32

8051

20 I/O

8 bit

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

AT89C51CC03CA-RDTUM
Microchip Technology
1: $15.00
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51CC03CA-RDTUM

Mouser Part No
556-A89C51C03CARDTUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

$15.00

Min.: 1
Mult.: 1

SMD/SMT

VQFP-64

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

AT89C51ED2-RDRUM
Microchip Technology
1,500: $14.17
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51ED2-RDRUM

Mouser Part No
556-A89C51ED2RDRUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$14.17

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

: 1,500

SMD/SMT

LQFP-64

8051

32 I/O

8 bit

No ADC

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

AT89C51ED2-RDTUM
Microchip Technology
160: $14.17
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51ED2-RDTUM

Mouser Part No
556-A89C51ED2RDTUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$14.17

Min.: 160
Mult.: 160

SMD/SMT

VQFP-64

8051

50 I/O

8 bit

No ADC

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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LQFP-32
LQFP-44
LQFP-48
LQFP-64
MQFP-80
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
QFN-40

4 I/O
6 I/O
7 I/O
8 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
20 I/O
21 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
30 I/O
31 I/O