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8051 Core 8 bit Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 551

Applied Filters:

Core = 8051 Data Bus Width = 8 bit

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Part #

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

DS89C450-ENL+
Analog Devices / Maxim Integrated
1: $56.38
163In Stock

Mfr. Part #
DS89C450-ENL+

Mouser Part #
700-DS89C450-ENL

Analog Devices / Maxim Integrated

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

Datasheet

163In Stock

$56.38

$47.33

$42.97

$40.72

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: $66.29
170In Stock

Mfr. Part #
DS89C450-MNL+

Mouser Part #
700-DS89C450-MNL

Analog Devices / Maxim Integrated

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

Datasheet

170In Stock

$66.29

$55.73

$50.74

$48.92

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: $1.94
695In Stock

Mfr. Part #
AT89C4051-24SU

Mouser Part #
556-A89C4051-24SU

Microchip Technology

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

Datasheet

695In Stock

$1.94

$1.92

$1.79

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: $13.77
95In Stock

Mfr. Part #
AT89C5115-RATUM

Mouser Part #
556-A89C5115RATUM

Microchip Technology

8-bit Microcontrollers - MCU C51 16K Flash ADC

Learn More

Datasheet

95In Stock

$13.77

$11.97

$11.38

$10.75

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: $11.93
6In Stock
160On Order

Mfr. Part #
AT89C5130A-RDTUM

Mouser Part #
556-A89C5130ARDTUM

Microchip Technology

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

Learn More

Datasheet

6In Stock

160On Order

$11.93

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: $9.83
130In Stock

Mfr. Part #
AT89C5131A-PUTUM

Mouser Part #
556-A89C5131A-PUTUM

Microchip Technology

8-bit Microcontrollers - MCU C5130A 32K Flash USB

Datasheet

130In Stock

$9.83

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: $13.74
21In Stock

Mfr. Part #
AT89C5131A-TISUL

Mouser Part #
556-A89C5131ATISUL

Microchip Technology

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

Datasheet

21In Stock

$13.74

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: $11.17
28In Stock

Mfr. Part #
AT89C51CC02CA-SISUM

Mouser Part #
556-A89C51C02CASISUM

Microchip Technology

8-bit Microcontrollers - MCU C51-CAN Bootloader CAN

Learn More

Datasheet

28In Stock

$11.17

$10.24

$9.28

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: $10.62
43In Stock

Mfr. Part #
AT89C51CC02CA-TISUM

Mouser Part #
556-A89C51C02CATISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Bootloader CAN

Learn More

Datasheet

43In Stock

$10.62

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: $11.17
13In Stock

Mfr. Part #
AT89C51CC02UA-SISUM

Mouser Part #
556-A89C51C02UASISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Bootloader UART

Learn More

Datasheet

13In Stock

$11.17

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: $10.62
54In Stock

Mfr. Part #
AT89C51CC02UA-TISUM

Mouser Part #
556-A89C51C02UATISUM

Microchip Technology

8-bit Microcontrollers - MCU CTRL Boodloader UART

Learn More

Datasheet

54In Stock

$10.62

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: $15.05
11In Stock
108Expected 9/14/2026

Mfr. Part #
AT89C51CC03CA-SLSUM

Mouser Part #
556-A89C51C03CASLSUM

Microchip Technology

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

Learn More

Datasheet

11In Stock

108Expected 9/14/2026

$15.05

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: $12.25
63In Stock
240Expected 9/4/2026

Mfr. Part #
AT89C51RC2-3CSUM

Mouser Part #
556-A89C51RC2-3CSUM

Microchip Technology

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

Learn More

Datasheet

63In Stock

240Expected 9/4/2026

$12.25

$11.25

$10.18

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: $11.17
151In Stock

Mfr. Part #
AT89C51RC2-SLSUM

Mouser Part #
556-A89C51RC2SLSUM

Microchip Technology

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

Learn More

Datasheet

151In Stock

$11.17

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: $4.11
61In Stock

Mfr. Part #
AT89C55WD-24AU

Mouser Part #
556-A89C55WD-24AU

Microchip Technology

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

Datasheet

61In Stock

$4.11

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: $3.87
8In Stock

Mfr. Part #
AT89LP2052-20XU

Mouser Part #
556-A89LP2052-20XU

Microchip Technology

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

Datasheet

8In Stock

$3.87

$3.60

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: $3.50
254In Stock
1,134On Order

Mfr. Part #
AT89LP4052-20PU

Mouser Part #
556-A89LP4052-20PU

Microchip Technology

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

Datasheet

254In Stock

1,134On Order

$3.50

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: $3.39
504In Stock

Mfr. Part #
AT89S2051-24SU

Mouser Part #
556-A89S2051-24SU

Microchip Technology

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

Datasheet

504In Stock

$3.39

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: $6.57
192In Stock
300Expected 10/12/2026

Mfr. Part #
AT80C51RD2-3CSUM

Mouser Part #
556-AT80C51RD2-3CSUM

Microchip Technology

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

Datasheet

192In Stock

300Expected 10/12/2026

$6.57

$6.02

$5.75

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: $13.00
401In Stock

Mfr. Part #
AT89C51ED2T-RLRUM

Mouser Part #
556-AT89C51ED2TLRUM

Microchip Technology

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

Learn More

Datasheet

401In Stock

Cut Tape

$13.00

$12.68

$10.80

Reel

$10.80

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: $2.24
130In Stock
480Expected 9/28/2026

Mfr. Part #
AT89LP51-20AU

Mouser Part #
556-AT89LP51-20AU

Microchip Technology

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

Learn More

Datasheet

130In Stock

480Expected 9/28/2026

$2.24

$2.03

$1.85

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: $7.74
143In Stock
135On Order

Mfr. Part #
AT89LP51RD2-20JU

Mouser Part #
556-AT89LP51RD2-20JU

Microchip Technology

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

Learn More

Datasheet

143In Stock

135On Order

$7.74

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: $6.94
89In Stock

Mfr. Part #
AT89LP51RD2-20PU

Mouser Part #
556-AT89LP51RD2-20PU

Microchip Technology

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

Learn More

Datasheet

89In Stock

$6.94

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: $32.27
76In Stock
1,250Expected 8/25/2026

Mfr. Part #
C8051F340-GQ

Mouser Part #
634-C8051F340-GQ

Silicon Labs

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

Datasheet

76In Stock

1,250Expected 8/25/2026

$32.27

$25.39

$24.12

$21.96

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: $21.52
97In Stock

Mfr. Part #
C8051F351-GMR

Mouser Part #
634-C8051F351-GMR

Silicon Labs

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

Datasheet

97In Stock

Cut Tape

$21.52

$16.81

$15.47

$14.20

View

Reel

$11.67

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 bit

8051 Core 8 bit 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