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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 696

Applied Filters:

Core = 8051

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Part #

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

CY8C3244AXI-153
Infineon Technologies
1: $10.27
138In Stock

Mfr. Part No.
CY8C3244AXI-153

Mouser Part No
727-CY8C3244AXI-153

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

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Datasheet

138In Stock

$10.27

$7.99

$7.08

$7.06

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

70 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr

MEC1310-NU
Microchip Technology
1: $7.05
232In Stock

Mfr. Part No.
MEC1310-NU

Mouser Part No
579-MEC1310-NU

Microchip Technology

8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr

Datasheet

232In Stock

$7.05

$5.91

$5.89

$5.67

Min.: 1
Mult.: 1

SMD/SMT

VTQFP-128

8051

56 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-ENL+
Analog Devices / Maxim Integrated
1: $136.62
7In Stock

Mfr. Part No.
DS87C520-ENL+

Mouser Part No
700-DS87C520-ENL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

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Datasheet

7In Stock

$136.62

$114.24

$108.66

$102.53

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

AT89C51CC01UAT-RLTUM
Microchip Technology
1: $12.61
3,605In Stock

Mfr. Part No.
AT89C51CC01UAT-RLTUM

Mouser Part No
556-AT89C51CC01UATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

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Datasheet

3,605In Stock

$12.61

$11.55

$10.47

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN

AT89C51CC03CAT-RLTUM
Microchip Technology
1: $15.33
2,264In Stock

Mfr. Part No.
AT89C51CC03CAT-RLTUM

Mouser Part No
556-AT89C51CC03CATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 CANBOOT GREEN

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Datasheet

2,264In Stock

$15.33

$14.05

$12.73

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 UARBOOT GREEN

AT89C51CC03UAT-RLTUM
Microchip Technology
1: $15.33
2,755In Stock

Mfr. Part No.
AT89C51CC03UAT-RLTUM

Mouser Part No
556-AT89C51CC03UATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64KFLASH TQFP44 UARBOOT GREEN

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Datasheet

2,755In Stock

$15.33

$14.05

$12.73

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN

AT89C51ID2T-RLTUM
Microchip Technology
1: $16.79
2,482In Stock

Mfr. Part No.
AT89C51ID2T-RLTUM

Mouser Part No
556-AT89C51ID2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN

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Datasheet

2,482In Stock

$16.79

$15.39

$13.96

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN

AT89C51RC2T-RLTUL
Microchip Technology
1: $12.77
2,838In Stock

Mfr. Part No.
AT89C51RC2T-RLTUL

Mouser Part No
556-AT89C51RC2TLTUL

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Ind 5V GREEN

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Datasheet

2,838In Stock

$12.77

$11.72

$10.62

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

C8051F331-GMR
Silicon Labs
1: $14.76
3,421In Stock
NRND

Mfr. Part No.
C8051F331-GMR

Mouser Part No
634-C8051F331-GMR

NRND

Silicon Labs

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

Datasheet

3,421In Stock

Cut Tape

$14.76

$11.41

$10.88

$9.45

View

Reel

$7.31

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-20

8051

17 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)

IS32CS8974A-QWLCA3-TR
Lumissil
1: $1.65
1,750In Stock
New Product

Mfr. Part No.
IS32CS8974A-QWLCA3-TR

Mouser Part No
870-32CS8974AQWLA3TR

New Product

Lumissil

8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)

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Datasheet

1,750In Stock

Cut Tape

$1.65

$1.40

$1.31

$1.17

Reel

$0.935

View

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

WQFN-24

8051

20 I/O

8 bit

8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC2T-RLTUM
Microchip Technology
1: $13.64
375In Stock
910Expected 19/2/2026

Mfr. Part No.
AT89C51AC2T-RLTUM

Mouser Part No
556-AT89C51AC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN

Learn More

Datasheet

375In Stock

910Expected 19/2/2026

$13.64

$12.51

$11.33

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC3T-RLTUM
Microchip Technology
1: $14.22
977In Stock

Mfr. Part No.
AT89C51AC3T-RLTUM

Mouser Part No
556-AT89C51AC3TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

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Datasheet

977In Stock

$14.22

$13.02

$11.82

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN

AT89C51CC01CAT-RLTUM
Microchip Technology
1: $12.61
1,478In Stock

Mfr. Part No.
AT89C51CC01CAT-RLTUM

Mouser Part No
556-AT89C51CC01CATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN

Learn More

Datasheet

1,478In Stock

$12.61

$11.55

$10.47

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

10 bit

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

AT89C51ED2T-RLRUM
Microchip Technology
1: $13.90
451In 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

451In Stock

Cut Tape

$13.90

$12.75

$11.54

Reel

$11.54

Min.: 1
Mult.: 1

Reel: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

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

AT89C51ED2T-RLTUM
Microchip Technology
1: $13.64
771In Stock

Mfr. Part No.
AT89C51ED2T-RLTUM

Mouser Part No
556-AT89C51ED2TLTUM

Microchip Technology

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

Learn More

Datasheet

771In Stock

$13.64

$12.51

$11.33

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

AT89C51RB2T-RLTUM
Microchip Technology
1: $9.95
428In Stock

Mfr. Part No.
AT89C51RB2T-RLTUM

Mouser Part No
556-AT89C51RB2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 COM 5V GREEN

Learn More

Datasheet

428In Stock

$9.95

$9.12

$8.26

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

AT89C51RC2T-RLTUM
Microchip Technology
1: $11.38
1,331In Stock

Mfr. Part No.
AT89C51RC2T-RLTUM

Mouser Part No
556-AT89C51RC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

Learn More

Datasheet

1,331In Stock

$11.38

$10.43

$9.44

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44

AT89C51RD2T-RLRUM
Microchip Technology
1: $11.93
298In Stock

Mfr. Part No.
AT89C51RD2T-RLRUM

Mouser Part No
556-AT89C51RD2TLRUM

Microchip Technology

8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44

Learn More

Datasheet

298In Stock

Cut Tape

$11.93

$10.93

$9.91

Reel

$9.91

Min.: 1
Mult.: 1

Reel: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

AT89C51RD2T-RLTUM
Microchip Technology
1: $12.20
292In Stock

Mfr. Part No.
AT89C51RD2T-RLTUM

Mouser Part No
556-AT89C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

Learn More

Datasheet

292In Stock

$12.20

$11.20

$10.15

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU

C8051F120-GQ
Silicon Labs
1: $62.74
2,767In Stock

Mfr. Part No.
C8051F120-GQ

Mouser Part No
634-C8051F120-GQ

Silicon Labs

8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU

Datasheet

2,767In Stock

$62.74

$52.72

$46.63

$45.31

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

8 bit, 12 bit

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

C8051F121-GQ
Silicon Labs
1: $60.69
817In Stock

Mfr. Part No.
C8051F121-GQ

Mouser Part No
634-C8051F121-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

Datasheet

817In Stock

$60.69

$51.11

$48.26

$44.09

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

8 bit, 12 bit

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

C8051F310-GQ
Silicon Labs
1: $17.39
2,359In Stock

Mfr. Part No.
C8051F310-GQ

Mouser Part No
634-C8051F310-GQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

Datasheet

2,359In Stock

$17.39

$14.09

$13.65

$12.44

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

29 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

C8051F311-GMR
Silicon Labs
1: $14.57
2,475In Stock

Mfr. Part No.
C8051F311-GMR

Mouser Part No
634-C8051F311-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

Datasheet

2,475In Stock

Cut Tape

$14.57

$12.07

$11.25

$10.24

View

Reel

$8.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-28

8051

25 I/O

8 bit

10 bit

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

C8051F313-GMR
Silicon Labs
1: $15.87
1,218In Stock

Mfr. Part No.
C8051F313-GMR

Mouser Part No
634-C8051F313-GMR

Silicon Labs

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

Datasheet

1,218In Stock

Cut Tape

$15.87

$12.34

$11.77

$10.23

View

Reel

$7.60

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-24

8051

25 I/O

8 bit

10 bit

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

C8051F411-GMR
Silicon Labs
1: $17.49
2,439In Stock

Mfr. Part No.
C8051F411-GMR

Mouser Part No
634-C8051F411-GMR

Silicon Labs

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

Datasheet

2,439In Stock

Cut Tape

$17.49

$14.51

$13.54

$12.36

View

Reel

$10.93

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-28

8051

20 I/O

8 bit

12 bit

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

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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