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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 553

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Core = 8051

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Part #

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

DS89C450-ENL+
Analog Devices / Maxim Integrated
1: €37.30
163In Stock

Mfr. Part No.
DS89C450-ENL+

Mouser Part No
700-DS89C450-ENL

Analog Devices / Maxim Integrated

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

Datasheet

163In Stock

€37.30

€31.31

€28.42

€26.94

Min.: 1
Mult.: 1
Max.: 163

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

DS89C450-MNL+
Analog Devices / Maxim Integrated
1: €43.85
170In Stock

Mfr. Part No.
DS89C450-MNL+

Mouser Part No
700-DS89C450-MNL

Analog Devices / Maxim Integrated

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

Datasheet

170In Stock

€43.85

€36.87

€33.57

€32.36

Min.: 1
Mult.: 1
Max.: 170

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

AT89C4051-24SU
Microchip Technology
1: €1.28
695In Stock

Mfr. Part No.
AT89C4051-24SU

Mouser Part No
556-A89C4051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

Datasheet

695In Stock

€1.28

€1.27

€1.19

€1.18

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V

AT89C5130A-RDTUM
Microchip Technology
1: €7.89
6In Stock
160On Order

Mfr. Part No.
AT89C5130A-RDTUM

Mouser Part No
556-A89C5130ARDTUM

Microchip Technology

8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V

Learn More

Datasheet

6In Stock

160On Order

€7.89

Min.: 1
Mult.: 1

SMD/SMT

VQFP-64

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C5130A 32K Flash USB

AT89C5131A-PUTUM
Microchip Technology
1: €6.50
130In Stock

Mfr. Part No.
AT89C5131A-PUTUM

Mouser Part No
556-A89C5131A-PUTUM

Microchip Technology

8-bit Microcontrollers - MCU C5130A 32K Flash USB

Datasheet

130In Stock

€6.50

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V

AT89C5131A-TISUL
Microchip Technology
1: €9.09
21In Stock

Mfr. Part No.
AT89C5131A-TISUL

Mouser Part No
556-A89C5131ATISUL

Microchip Technology

8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V

Datasheet

21In Stock

€9.09

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

8051

18 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51-CAN Bootloader CAN

AT89C51CC02CA-SISUM
Microchip Technology
1: €7.39
28In Stock

Mfr. Part No.
AT89C51CC02CA-SISUM

Mouser Part No
556-A89C51C02CASISUM

Microchip Technology

8-bit Microcontrollers - MCU C51-CAN Bootloader CAN

Learn More

Datasheet

28In Stock

€7.39

€6.78

€6.14

Min.: 1
Mult.: 1

SMD/SMT

PLCC-28

8051

20 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CTRL Bootloader CAN

AT89C51CC02CA-TISUM
Microchip Technology
1: €7.03
43In Stock

Mfr. Part No.
AT89C51CC02CA-TISUM

Mouser Part No
556-A89C51C02CATISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Bootloader CAN

Learn More

Datasheet

43In Stock

€7.03

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

8051

20 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CTRL Bootloader UART

AT89C51CC02UA-SISUM
Microchip Technology
1: €7.39
13In Stock

Mfr. Part No.
AT89C51CC02UA-SISUM

Mouser Part No
556-A89C51C02UASISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Bootloader UART

Learn More

Datasheet

13In Stock

€7.39

Min.: 1
Mult.: 1

SMD/SMT

PLCC-28

8051

20 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CTRL Boodloader UART

AT89C51CC02UA-TISUM
Microchip Technology
1: €7.03
54In Stock

Mfr. Part No.
AT89C51CC02UA-TISUM

Mouser Part No
556-A89C51C02UATISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Boodloader UART

Learn More

Datasheet

54In Stock

€7.03

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

8051

20 I/O

8 bit

10 bit

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

AT89C51CC03CA-SLSUM
Microchip Technology
1: €9.96
11In Stock
108Expected 14/09/2026

Mfr. Part No.
AT89C51CC03CA-SLSUM

Mouser Part No
556-A89C51C03CASLSUM

Microchip Technology

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

Learn More

Datasheet

11In Stock

108Expected 14/09/2026

€9.96

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

AT89C51RC2-3CSUM
Microchip Technology
1: €8.10
63In Stock
240Expected 04/09/2026

Mfr. Part No.
AT89C51RC2-3CSUM

Mouser Part No
556-A89C51RC2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

Learn More

Datasheet

63In Stock

240Expected 04/09/2026

€8.10

€7.44

€6.73

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com

AT89C51RC2-SLSUM
Microchip Technology
1: €7.39
151In Stock

Mfr. Part No.
AT89C51RC2-SLSUM

Mouser Part No
556-A89C51RC2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 32K FLASH 5V Com

Learn More

Datasheet

151In Stock

€7.39

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ

AT89C55WD-24AU
Microchip Technology
1: €2.72
61In Stock

Mfr. Part No.
AT89C55WD-24AU

Mouser Part No
556-A89C55WD-24AU

Microchip Technology

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ

Datasheet

61In Stock

€2.72

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

AT89LP2052-20XU
Microchip Technology
1: €2.56
8In Stock

Mfr. Part No.
AT89LP2052-20XU

Mouser Part No
556-A89LP2052-20XU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

Datasheet

8In Stock

€2.56

€2.38

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

15 I/O

8 bit

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

AT89LP4052-20PU
Microchip Technology
1: €2.31
254In Stock
1,134On Order

Mfr. Part No.
AT89LP4052-20PU

Mouser Part No
556-A89LP4052-20PU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

Datasheet

254In Stock

1,134On Order

€2.31

Min.: 1
Mult.: 1

Through Hole

PDIP-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

AT89S2051-24SU
Microchip Technology
1: €2.24
504In Stock

Mfr. Part No.
AT89S2051-24SU

Mouser Part No
556-A89S2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

Datasheet

504In Stock

€2.24

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

AT80C51RD2-3CSUM
Microchip Technology
1: €4.34
192In Stock
300Expected 14/09/2026

Mfr. Part No.
AT80C51RD2-3CSUM

Mouser Part No
556-AT80C51RD2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

Datasheet

192In Stock

300Expected 14/09/2026

€4.34

€3.98

€3.95

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind Reel GREEN

AT89C51ED2T-RLRUM
Microchip Technology
1: €8.60
401In Stock

Mfr. Part No.
AT89C51ED2T-RLRUM

Mouser Part No
556-AT89C51ED2TLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind Reel GREEN

Learn More

Datasheet

401In Stock

Cut Tape

€8.60

€8.39

€7.15

Reel

€7.15

Quote

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

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

AT89LP51-20AU
Microchip Technology
1: €1.48
130In Stock
480Expected 28/09/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

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

Learn More

Datasheet

130In Stock

480Expected 28/09/2026

€1.48

€1.34

€1.23

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

No ADC

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

AT89LP51RD2-20JU
Microchip Technology
1: €5.12
143In Stock
135On Order

Mfr. Part No.
AT89LP51RD2-20JU

Mouser Part No
556-AT89LP51RD2-20JU

Microchip Technology

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

Learn More

Datasheet

143In Stock

135On Order

€5.12

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

40 I/O

8 bit

10 bit

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

AT89LP51RD2-20PU
Microchip Technology
1: €4.59
89In Stock

Mfr. Part No.
AT89LP51RD2-20PU

Mouser Part No
556-AT89LP51RD2-20PU

Microchip Technology

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

Learn More

Datasheet

89In Stock

€4.59

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

40 I/O

8 bit

10 bit

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

C8051F340-GQ
Silicon Labs
1: €21.35
76In Stock
1,250Expected 25/08/2026

Mfr. Part No.
C8051F340-GQ

Mouser Part No
634-C8051F340-GQ

Silicon Labs

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

Datasheet

76In Stock

1,250Expected 25/08/2026

€21.35

€16.80

€15.95

€14.53

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

40 I/O

8 bit

10 bit

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

C8051F351-GMR
Silicon Labs
1: €14.23
97In Stock

Mfr. Part No.
C8051F351-GMR

Mouser Part No
634-C8051F351-GMR

Silicon Labs

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

Datasheet

97In Stock

Cut Tape

€14.23

€11.12

€10.23

€9.39

View

Reel

€7.72

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 bit

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: €6.66
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

€6.66

€5.33

€4.72

€4.42

Reel

€3.60

View

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

25 I/O

8 bit

10 bit

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

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