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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 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

AT89C4051-24SU
Microchip Technology
1: Rp27.336
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

Rp27.336

Rp27.152

Rp25.317

Quote

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51 16K Flash ADC

AT89C5115-RATUM
Microchip Technology
1: Rp168.783
95In Stock

Mfr. Part No.
AT89C5115-RATUM

Mouser Part No
556-A89C5115RATUM

Microchip Technology

8-bit Microcontrollers - MCU C51 16K Flash ADC

Learn More

Datasheet

95In Stock

Rp168.783

Min.: 1
Mult.: 1

SMD/SMT

VQFP-32

8051

20 I/O

8 bit

10 bit

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

AT89C5130A-RDTUM
Microchip Technology
1: Rp168.416
86In Stock

Mfr. Part No.
AT89C5130A-RDTUM

Mouser Part No
556-A89C5130ARDTUM

Microchip Technology

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

Learn More

Datasheet

86In Stock

Rp168.416

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: Rp138.696
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

Rp138.696

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: Rp193.917
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

Rp193.917

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: Rp157.592
58In Stock

Mfr. Part No.
AT89C51CC02CA-SISUM

Mouser Part No
556-A89C51C02CASISUM

Microchip Technology

8-bit Microcontrollers - MCU C51-CAN Bootloader CAN

Learn More

Datasheet

58In Stock

Rp157.592

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: Rp149.887
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

Rp149.887

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: Rp157.592
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

Rp157.592

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: Rp149.887
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

Rp149.887

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: Rp212.447
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

Rp212.447

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: Rp172.819
74In Stock
240Expected 12/10/2026

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

74In Stock

240Expected 12/10/2026

Rp172.819

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: Rp157.592
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

Rp157.592

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: Rp57.973
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

Rp57.973

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: Rp50.818
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

Rp50.818

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: Rp49.351
254In Stock
1.134Expected 14/08/2026

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

1.134Expected 14/08/2026

Rp49.351

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: Rp47.883
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

Rp47.883

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: Rp92.647
192In Stock
300On Order

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

300On Order

Rp92.647

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: Rp183.460
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

Rp183.460

Reel

Rp183.460

Min.: 1
Mult.: 1

: 2.000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

AT89C55WD-24JU
Microchip Technology
1: Rp85.492
651In Stock

Mfr. Part No.
AT89C55WD-24JU

Mouser Part No
556-AT89C55WD-24JU

Microchip Technology

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

Datasheet

651In Stock

Rp85.492

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT89LP51-20AU
Microchip Technology
1: Rp31.555
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

Rp31.555

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: Rp109.159
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

Rp109.159

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: Rp97.968
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

Rp97.968

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

40 I/O

8 bit

10 bit

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

AT89LP52-20JU
Microchip Technology
1: Rp63.294
130In Stock

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

130In Stock

Rp63.294

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

36 I/O

8 bit

No ADC

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

C8051F340-GQ
Silicon Labs
1: Rp455.348
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

Rp455.348

Rp356.279

Rp340.318

Rp307.846

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: Rp303.626
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

Rp303.626

Rp237.214

Rp218.317

Rp200.338

View

Reel

Rp164.747

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 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