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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 556

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Core = 8051

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Part #

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

DS89C430-ENL+
Analog Devices / Maxim Integrated
1: $46.27
193In Stock

Mfr. Part No.
DS89C430-ENL+

Mouser Part No
700-DS89C430-ENL

Analog Devices / Maxim Integrated

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

Datasheet

193In Stock

$46.27

$38.69

$36.42

$33.06

$32.15

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: $47.64
77In 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

77In Stock

$47.64

$39.83

$37.10

$34.80

$33.47

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

DS89C430-QNL+
Analog Devices / Maxim Integrated
1: $45.53
111In Stock

Mfr. Part No.
DS89C430-QNL+

Mouser Part No
700-DS89C430-QNL

Analog Devices / Maxim Integrated

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

Datasheet

111In Stock

$45.53

$38.05

$35.58

$35.56

$31.89

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-ENL+
Analog Devices / Maxim Integrated
1: $56.85
193In 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

193In Stock

$56.85

$47.68

$44.98

$41.02

$39.94

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

DS89C450-MNL+
Analog Devices / Maxim Integrated
1: $66.64
200In 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

200In Stock

$66.64

$56.14

$52.51

$49.49

$47.75

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: $46.97
132In 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

132In Stock

$46.97

$39.28

$36.73

$36.72

$32.95

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

AT89C2051-24SU
Microchip Technology
1: $1.96
2,576In Stock

Mfr. Part No.
AT89C2051-24SU

Mouser Part No
556-A89C2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

Datasheet

2,576In Stock

$1.96

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 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: $2.03
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

$2.03

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: $12.51
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

$12.51

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: $12.48
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

$12.48

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: $10.28
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

$10.28

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: $14.38
31In Stock

Mfr. Part No.
AT89C5131A-TISUL

Mouser Part No
556-A89C5131ATISUL

Microchip Technology

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

Datasheet

31In Stock

$14.38

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: $11.68
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

$11.68

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: $11.11
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

$11.11

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: $11.68
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

$11.68

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: $11.11
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

$11.11

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: $15.75
11In Stock
108Expected 14/9/2026

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 14/9/2026

$15.75

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: $12.81
74In Stock

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

$12.81

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: $11.68
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

$11.68

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: $4.30
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

$4.30

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: $3.77
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

$3.77

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: $3.66
254In Stock
1,134Expected 14/8/2026

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 14/8/2026

$3.66

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: $3.55
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

$3.55

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

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

AT89C51ED2T-RLRUM
Microchip Technology
1: $13.60
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

$13.60

Reel

$13.60

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

AT89C51IC2T-RLTUM
Microchip Technology
1: $11.38
180In Stock

Mfr. Part No.
AT89C51IC2T-RLTUM

Mouser Part No
556-AT89C51IC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

Learn More

Datasheet

180In Stock

$11.38

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 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