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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 572

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Core = 8051

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Part #

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

AT89C51AC3-SLSUM
Microchip Technology
1: $10.29
406In Stock

Mfr. Part No.
AT89C51AC3-SLSUM

Mouser Part No
556-A89C51AC3SLSUM

Microchip Technology

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

Learn More

Datasheet

406In Stock

$10.29

$9.66

$8.90

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN

AT80C51RD2T-RLTUM
Microchip Technology
1: $3.98
2,049In Stock

Mfr. Part No.
AT80C51RD2T-RLTUM

Mouser Part No
556-AT80C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN

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Datasheet

2,049In Stock

$3.98

$3.65

$3.31

$3.30

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLTUL
Microchip Technology
1: $7.77
641In Stock

Mfr. Part No.
AT89C51RB2T-RLTUL

Mouser Part No
556-AT89C51RB2TLTUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

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Datasheet

641In Stock

$7.77

$7.45

$7.12

$7.11

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

C8051F582-IM
Silicon Labs
1: $13.81
9,751In Stock
End of Life

Mfr. Part No.
C8051F582-IM

Mouser Part No
634-C8051F582-IM

End of Life

Silicon Labs

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

Datasheet

9,751In Stock

$13.81

$11.43

$9.96

$9.57

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

25 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU C5130A 32K Flash

AT89C5131A-RDTUM
Microchip Technology
1: $6.88
1,065In Stock

Mfr. Part No.
AT89C5131A-RDTUM

Mouser Part No
556-A89C5131ARDTUM

Microchip Technology

8-bit Microcontrollers - MCU C5130A 32K Flash

Datasheet

1,065In Stock

$6.88

$6.87

$6.51

$6.42

View

Min.: 1
Mult.: 1

SMD/SMT

VQFP-64

8051

34 I/O

8 bit

No ADC

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

C8051F413-GM
Silicon Labs
1: $11.74
6,215In Stock
NRND

Mfr. Part No.
C8051F413-GM

Mouser Part No
634-C8051F413-GM

NRND

Silicon Labs

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

Datasheet

6,215In Stock

$11.74

$9.73

$9.40

$8.94

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

20 I/O

8 bit

12 bit

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

C8051F338-GMR
Silicon Labs
1: $12.56
2,731In Stock

Mfr. Part No.
C8051F338-GMR

Mouser Part No
634-C8051F338-GMR

Silicon Labs

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

Datasheet

2,731In Stock

Cut Tape

$12.56

$10.21

$9.74

$8.45

View

Reel

$6.42

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

21 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51 16K Flash ADC

AT89C5115-SISUM
Microchip Technology
1: $9.67
896In Stock

Mfr. Part No.
AT89C5115-SISUM

Mouser Part No
556-A89C5115SISUM

Microchip Technology

8-bit Microcontrollers - MCU C51 16K Flash ADC

Learn More

Datasheet

896In Stock

$9.67

$8.02

$8.01

Min.: 1
Mult.: 1

SMD/SMT

PLCC-28

8051

20 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

AT89S52-24AUR
Microchip Technology
1: $2.42
4,045In Stock

Mfr. Part No.
AT89S52-24AUR

Mouser Part No
556-AT89S52-24AUR

Microchip Technology

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

Datasheet

4,045In Stock

Cut Tape

$2.42

$2.33

$2.00

Reel

$2.00

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

C8051F313-GMR
Silicon Labs
1: $11.42
3In Stock
1,500Expected 16/06/2026

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

3In Stock

1,500Expected 16/06/2026

Cut Tape

$11.42

$8.88

$8.47

$7.36

View

Reel

$5.64

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

25 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V

AT89LS51-16AU
Microchip Technology
1: $2.10
133In Stock

Mfr. Part No.
AT89LS51-16AU

Mouser Part No
556-A89LS51-16AU

Microchip Technology

8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V

Datasheet

133In Stock

$2.10

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V

AT89C51IC2-SLSUL
Microchip Technology
1: $9.01
460In Stock

Mfr. Part No.
AT89C51IC2-SLSUL

Mouser Part No
556-A89C51IC2SLSUL

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V

Learn More

Datasheet

460In Stock

$9.01

$8.27

$7.49

$7.48

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

CY8C3866PVI-021T
Infineon Technologies
1: $23.79
1,000In Stock

Mfr. Part No.
CY8C3866PVI-021T

Mouser Part No
727-CY8C3866PVI-021T

Infineon Technologies

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

Learn More

Datasheet

1,000In Stock

Cut Tape

$23.79

$19.22

$18.43

$16.24

View

Reel

$13.30

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

SSOP-48

8051

8 bit

20 bit

8-bit Microcontrollers - MCU 16K Flash ADC

AT89C5115-TISUM
Microchip Technology
1: $9.20
1,099In Stock

Mfr. Part No.
AT89C5115-TISUM

Mouser Part No
556-A89C5115TISUM

Microchip Technology

8-bit Microcontrollers - MCU 16K Flash ADC

Learn More

Datasheet

1,099In Stock

$9.20

$9.01

$8.68

$8.67

View

Min.: 1
Mult.: 1

SMD/SMT

SOIC-28

8051

20 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU Bootloader CAN

AT89C51CC01CA-SLSUM
Microchip Technology
1: $9.57
115In Stock

Mfr. Part No.
AT89C51CC01CA-SLSUM

Mouser Part No
556-A89C51C01CASLSUM

Microchip Technology

8-bit Microcontrollers - MCU Bootloader CAN

Learn More

Datasheet

115In Stock

$9.57

$8.75

$7.94

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

34 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

AT89C51IC2-SLSUM
Microchip Technology
1: $8.81
677In Stock

Mfr. Part No.
AT89C51IC2-SLSUM

Mouser Part No
556-A89C51IC2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

Learn More

Datasheet

677In Stock

$8.81

$8.08

$7.30

$7.29

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V

CY8C3865AXI-019
Infineon Technologies
1: $23.17
220In Stock

Mfr. Part No.
CY8C3865AXI-019

Mouser Part No
727-CY8C3865AXI-019

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

220In Stock

$23.17

$18.12

$17.31

$15.48

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

72 I/O

8 bit

20 bit

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

CY8C3866LTI-030
Infineon Technologies
1: $17.27
824In Stock

Mfr. Part No.
CY8C3866LTI-030

Mouser Part No
727-CY8C3866LTI-030

Infineon Technologies

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

Learn More

Datasheet

824In Stock

$17.27

$14.80

$14.26

$13.55

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-68

8051

48 I/O

8 bit

20 bit

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

AT89LP2052-20PU
Microchip Technology
1: $2.70
264In Stock

Mfr. Part No.
AT89LP2052-20PU

Mouser Part No
556-A89LP2052-20PU

Microchip Technology

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

Datasheet

264In Stock

$2.70

$2.40

Min.: 1
Mult.: 1

Through Hole

PDIP-20

8051

15 I/O

8 bit

No ADC

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

DS80C320-ECL+
Analog Devices / Maxim Integrated
1: $28.32
134In Stock

Mfr. Part No.
DS80C320-ECL+

Mouser Part No
700-DS80C320-ECL

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

134In Stock

$28.32

$28.29

$28.22

$28.18

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

CY8C3244LTI-130
Infineon Technologies
1: $9.15
368In Stock

Mfr. Part No.
CY8C3244LTI-130

Mouser Part No
727-CY8C3244LTI-130

Infineon Technologies

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

Learn More

Datasheet

368In Stock

$9.15

$7.11

$6.60

$6.04

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-68

8051

46 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 64Kb Flash 8Kb SRAM PSoC 3

CY8C3246AXI-131T
Infineon Technologies
1: $14.26
1,500In Stock

Mfr. Part No.
CY8C3246AXI-131T

Mouser Part No
727-CY8C3246AXI-131T

Infineon Technologies

8-bit Microcontrollers - MCU 64Kb Flash 8Kb SRAM PSoC 3

Learn More

Datasheet

1,500In Stock

Cut Tape

$14.26

$11.23

$10.48

$9.65

View

Reel

$8.35

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

TQFP-100

8051

70 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O

CY8C3246AXI-138T
Infineon Technologies
1: $16.94
994In Stock

Mfr. Part No.
CY8C3246AXI-138T

Mouser Part No
727-CY8C3246AXI-138T

Infineon Technologies

8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O

Learn More

Datasheet

994In Stock

Cut Tape

$16.94

$12.87

$12.34

$10.87

View

Reel

$8.87

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

CY8C3866LTI-067
Infineon Technologies
1: $20.82
286In Stock

Mfr. Part No.
CY8C3866LTI-067

Mouser Part No
727-CY8C3866LTI-067

Infineon Technologies

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

Learn More

Datasheet

286In Stock

$20.82

$17.35

$16.04

$15.07

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

31 I/O

8 bit

20 bit

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLRUL
Microchip Technology
1: $7.77
2,000In Stock

Mfr. Part No.
AT89C51RB2T-RLRUL

Mouser Part No
556-AT89C51RB2TLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

Learn More

Datasheet

2,000In Stock

Cut Tape

$7.77

$7.58

$7.25

$7.24

View

Reel

$7.06

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

32 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