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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 573

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Core = 8051

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Part #

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

AT89LP2052-20XU
Microchip Technology
1: $3.85
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

$3.85

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

15 I/O

8 bit

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

AT89C51IC2T-RLTUM
Microchip Technology
1: $11.63
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

$11.63

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

No ADC

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

AT89C51RD2T-RLRUM
Microchip Technology
1: $11.93
162In 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

162In Stock

Cut Tape

$11.93

Reel

$11.93

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

AT89C55WD-24PU
Microchip Technology
1: $7.16
36In Stock
490On Order

Mfr. Part No.
AT89C55WD-24PU

Mouser Part No
556-AT89C55WD-24PU

Microchip Technology

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

Datasheet

36In Stock

490On Order

$7.16

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

AT89LP51-20AU
Microchip Technology
1: $2.39
630In Stock

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

630In Stock

$2.39

$2.17

$1.97

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

AT89LP51ED2-20AU
Microchip Technology
1: $7.84
251In Stock
1,600Expected 11/12/2026

Mfr. Part No.
AT89LP51ED2-20AU

Mouser Part No
556-AT89LP51ED2-20AU

Microchip Technology

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

Learn More

Datasheet

251In Stock

1,600Expected 11/12/2026

$7.84

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

10 bit

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

AT89LP51ED2-20MU
Microchip Technology
1: $7.84
30In Stock

Mfr. Part No.
AT89LP51ED2-20MU

Mouser Part No
556-AT89LP51ED2-20MU

Microchip Technology

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

Learn More

Datasheet

30In Stock

$7.84

Min.: 1
Mult.: 1

SMD/SMT

VQFN-44

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

AT89LP51RB2-20AAU
Microchip Technology
1: $5.34
209In Stock

Mfr. Part No.
AT89LP51RB2-20AAU

Mouser Part No
556-AT89LP51RB220AAU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

Learn More

Datasheet

209In Stock

$5.34

Min.: 1
Mult.: 1

SMD/SMT

LQFP-44

8051

40 I/O

8 bit

10 bit

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

AT89LP51RD2-20AU
Microchip Technology
1: $7.10
14In Stock
960Expected 13/8/2026

Mfr. Part No.
AT89LP51RD2-20AU

Mouser Part No
556-AT89LP51RD2-20AU

Microchip Technology

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

Learn More

Datasheet

14In Stock

960Expected 13/8/2026

$7.10

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

40 I/O

8 bit

10 bit

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

AT89LP51RD2-20JU
Microchip Technology
1: $8.27
135In Stock

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

135In Stock

$8.27

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: $7.42
189In 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

189In Stock

$7.42

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: $4.80
211In 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

211In Stock

$4.80

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

36 I/O

8 bit

No ADC

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

C8051F311-GMR
Silicon Labs
1: $16.25
75In Stock
3,000Expected 6/7/2026

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

75In Stock

3,000Expected 6/7/2026

Cut Tape

$16.25

$13.21

$12.23

$11.05

View

Reel

$9.47

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

25 I/O

8 bit

10 bit

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

C8051F351-GMR
Silicon Labs
1: $20.28
127In Stock

Mfr. Part No.
C8051F351-GMR

Mouser Part No
634-C8051F351-GMR

Silicon Labs

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

Datasheet

127In Stock

Cut Tape

$20.28

$16.50

$15.32

$13.89

View

Reel

$12.04

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 bit

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: $9.60
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

$9.60

$7.81

$7.20

$6.46

View

Reel

$5.49

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

25 I/O

8 bit

10 bit

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

C8051F390-A-GM
Silicon Labs
1: $5.67
168In Stock

Mfr. Part No.
C8051F390-A-GM

Mouser Part No
634-C8051F390-A-GM

Silicon Labs

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

Learn More

Datasheet

168In Stock

$5.67

$4.60

$3.82

$3.63

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

21 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: $7.69
113In Stock

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

113In Stock

Cut Tape

$7.69

$5.28

$4.92

$4.34

View

Reel

$3.13

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

21 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F392-A-GMR
Silicon Labs
1: $6.49
172In Stock

Mfr. Part No.
C8051F392-A-GMR

Mouser Part No
634-C8051F392-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

172In Stock

Cut Tape

$6.49

$4.70

$4.32

$4.31

Reel

$3.06

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

17 I/O

8 bit

10 bit

Microprocessors - MPU 128k Soft Microprocessor Chip

DS5001FP-16N+
Analog Devices / Maxim Integrated
1: $82.50
11In Stock

Mfr. Part No.
DS5001FP-16N+

Mouser Part No
700-DS5001FP-16N

Analog Devices / Maxim Integrated

Microprocessors - MPU 128k Soft Microprocessor Chip

Datasheet

11In Stock

$82.50

$69.63

$62.80

$60.99

Min.: 1
Mult.: 1

SMD/SMT

MQFP-80

8051

32 I/O

8 bit

8-bit Microcontrollers - MCU High-Speed Microcontroller

DS80C310-MCG+
Analog Devices / Maxim Integrated
1: $38.71
23In Stock

Mfr. Part No.
DS80C310-MCG+

Mouser Part No
700-DS80C310-MCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed Microcontroller

Learn More

Datasheet

23In Stock

$38.71

$32.26

$29.97

$28.02

View

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU High-Speed Microcontroller

DS80C310-QCG+
Analog Devices / Maxim Integrated
1: $34.17
10In Stock
56Expected 4/8/2026

Mfr. Part No.
DS80C310-QCG+

Mouser Part No
700-DS80C310-QCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed Microcontroller

Learn More

Datasheet

10In Stock

56Expected 4/8/2026

$34.17

$28.45

$26.51

$24.48

View

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU High-Speed Microcontroller

DS80C310-QNG+
Analog Devices / Maxim Integrated
1: $46.00
46In Stock

Mfr. Part No.
DS80C310-QNG+

Mouser Part No
700-DS80C310-QNG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed Microcontroller

Learn More

Datasheet

46In Stock

$46.00

$38.43

$35.92

$33.33

$32.19

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

DS80C320-MCG+
Analog Devices / Maxim Integrated
1: $36.57
64In Stock

Mfr. Part No.
DS80C320-MCG+

Mouser Part No
700-DS80C320-MCG

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

64In Stock

$36.57

$30.47

$28.27

$26.41

View

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

DS80C320-MCL+
Analog Devices / Maxim Integrated
1: $47.70
37In Stock

Mfr. Part No.
DS80C320-MCL+

Mouser Part No
700-DS80C320-MCL

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

37In Stock

$47.70

$39.88

$34.82

$33.47

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

DS80C320-QCG+
Analog Devices / Maxim Integrated
1: $52.21
45In Stock

Mfr. Part No.
DS80C320-QCG+

Mouser Part No
700-DS80C320-QCG

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

45In Stock

$52.21

$43.72

$40.92

$38.04

$36.79

Min.: 1
Mult.: 1

SMD/SMT

PLCC-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