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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 686

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Core = 8051

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Part #

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

C8051F530A-IT
Silicon Labs
1: $5.65
3,611In Stock

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

Silicon Labs

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

Datasheet

3,611In Stock

$5.65

$4.69

$4.02

$3.83

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

16 I/O

8 bit

12 bit

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

C8051F531-C-IT
Silicon Labs
1: $6.29
946In Stock

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

Silicon Labs

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

Datasheet

946In Stock

$6.29

$5.22

$4.48

$4.28

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

16 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F550-IM
Silicon Labs
1: $7.74
2,154In Stock

Mfr. Part No.
C8051F550-IM

Mouser Part No
634-C8051F550-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

2,154In Stock

$7.74

$6.42

$5.45

$5.22

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

18 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F553-IM
Silicon Labs
1: $7.38
1,922In Stock

Mfr. Part No.
C8051F553-IM

Mouser Part No
634-C8051F553-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

1,922In Stock

$7.38

$6.12

$5.20

$4.98

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

18 I/O

8 bit

12 bit

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

C8051F860-C-GSR
Silicon Labs
1: $2.47
4,192In Stock

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

4,192In Stock

Cut Tape

$2.47

$2.08

$1.93

$1.73

Reel

$1.41

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

SOIC-16

8051

13 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GM
Silicon Labs
1: $3.80
1,032In Stock

Mfr. Part No.
C8051F921-G-GM

Mouser Part No
634-C8051F921-G-GM

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

1,032In Stock

$3.80

$3.17

$2.66

$2.54

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

16 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: $3.80
1,496In Stock

Mfr. Part No.
C8051F921-G-GMR

Mouser Part No
634-C8051F921-G-GMR

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

1,496In Stock

Cut Tape

$3.80

$3.17

$2.94

$2.64

Reel

$2.18

View

Min.: 1
Mult.: 1

Reel: 1,500

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-GM
Silicon Labs
1: $6.78
2,631In Stock

Mfr. Part No.
C8051F931-G-GM

Mouser Part No
634-C8051F931-G-GM

Silicon Labs

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

Learn More

Datasheet

2,631In Stock

$6.78

$5.04

$4.70

$4.13

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: $4.69
899In Stock
3,000Expected 20/03/2026

Mfr. Part No.
C8051F931-G-GMR

Mouser Part No
634-C8051F931-G-GMR

Silicon Labs

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

Learn More

Datasheet

899In Stock

3,000Expected 20/03/2026

Cut Tape

$4.69

$3.90

$3.63

$3.27

View

Reel

$2.62

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

8051

16 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU High-Speed Microcontroller

DS80C310-QCG+
Analog Devices / Maxim Integrated
1: $28.80
84In Stock

Mfr. Part No.
DS80C310-QCG+

Mouser Part No
700-DS80C310-QCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed Microcontroller

Learn More

Datasheet

84In Stock

$28.80

$22.53

$21.51

$19.24

View

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C320-ECG+
Analog Devices / Maxim Integrated
1: $40.10
145In Stock

Mfr. Part No.
DS80C320-ECG+

Mouser Part No
700-DS80C320-ECG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

145In Stock

$40.10

$35.79

$34.17

$30.56

$29.15

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C320-MCG+
Analog Devices / Maxim Integrated
1: $28.72
182In Stock

Mfr. Part No.
DS80C320-MCG+

Mouser Part No
700-DS80C320-MCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

182In Stock

$28.72

$24.27

$23.18

$20.73

View

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C323-ECD+
Analog Devices / Maxim Integrated
1: $15.55
223In Stock

Mfr. Part No.
DS80C323-ECD+

Mouser Part No
700-DS80C323-ECD

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

223In Stock

$15.55

$12.20

$11.70

$10.30

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C430-ENG+
Analog Devices / Maxim Integrated
1: $32.82
143In Stock

Mfr. Part No.
DS89C430-ENG+

Mouser Part No
700-DS89C430-ENG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

143In Stock

$32.82

$28.56

$27.28

$24.39

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C430-MNL+
Analog Devices / Maxim Integrated
1: $37.23
147In Stock

Mfr. Part No.
DS89C430-MNL+

Mouser Part No
700-DS89C430-MNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

147In Stock

$37.23

$33.22

$31.72

$28.37

$27.06

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C450-QNG+
Analog Devices / Maxim Integrated
1: $36.65
176In Stock

Mfr. Part No.
DS89C450-QNG+

Mouser Part No
700-DS89C450-QNG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

176In Stock

$36.65

$32.70

$31.23

$27.93

$26.64

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C450-QNL+
Analog Devices / Maxim Integrated
1: $48.29
55In Stock

Mfr. Part No.
DS89C450-QNL+

Mouser Part No
700-DS89C450-QNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

55In Stock

$48.29

$41.30

$39.56

$35.86

$34.62

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3245LTI-139
Infineon Technologies
1: $8.92
550In Stock

Mfr. Part No.
CY8C3245LTI-139

Mouser Part No
727-CY8C3245LTI-139

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

550In Stock

$8.92

$6.94

$6.44

$5.90

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

29 I/O

8 bit

12 bit

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

CY8C3246AXI-138
Infineon Technologies
1: $14.02
646In Stock

Mfr. Part No.
CY8C3246AXI-138

Mouser Part No
727-CY8C3246AXI-138

Infineon Technologies

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

Learn More

Datasheet

646In Stock

$14.02

$11.23

$9.81

$9.52

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

72 I/O

8 bit

12 bit

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

CY8C3446AXI-099
Infineon Technologies
1: $14.53
355In Stock

Mfr. Part No.
CY8C3446AXI-099

Mouser Part No
727-CY8C3446AXI-099

Infineon Technologies

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

Learn More

Datasheet

355In Stock

$14.53

$11.48

$9.93

$9.61

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

72 I/O

8 bit

12 bit

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

CY8C3866AXI-040
Infineon Technologies
1: $24.91
131In Stock

Mfr. Part No.
CY8C3866AXI-040

Mouser Part No
727-CY8C3866AXI-040

Infineon Technologies

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

Learn More

Datasheet

131In Stock

$24.91

$20.02

$17.55

$17.03

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

72 I/O

8 bit

20 bit

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

CY8C3866AXI-208
Infineon Technologies
1: $21.93
262In Stock

Mfr. Part No.
CY8C3866AXI-208

Mouser Part No
727-CY8C3866AXI-208

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

Learn More

Datasheet

262In Stock

$21.93

$17.56

$15.34

$14.88

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

62 I/O

8 bit

20 bit

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

CY8C3866PVI-070
Infineon Technologies
1: $18.78
287In Stock

Mfr. Part No.
CY8C3866PVI-070

Mouser Part No
727-CY8C3866PVI-070

Infineon Technologies

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

Learn More

Datasheet

287In Stock

$18.78

$15.00

$13.56

$13.33

View

Min.: 1
Mult.: 1

SMD/SMT

SSOP-48

8051

29 I/O

8 bit

20 bit

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

C8051F583-IQ
Silicon Labs
1: $13.74
558In Stock
End of Life

Mfr. Part No.
C8051F583-IQ

Mouser Part No
634-C8051F583-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

558In Stock

$13.74

$11.39

$10.64

$9.73

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

25 I/O

8 bit

12 bit

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

C8051F042-GQR
Silicon Labs
1: $28.68
75In Stock
NRND

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

NRND

Silicon Labs

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

Datasheet

75In Stock

Cut Tape

$28.68

$24.82

Reel

$18.27

View

Min.: 1
Mult.: 1

Reel: 250

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

10 bit

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Support

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