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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 797

Applied Filters:

Core = 8051

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Part #

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: $14.33
767In Stock

Mfr. Part No.
AT89C51ED2-SLSUM

Mouser Part No
556-A89C51ED2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Learn More

Datasheet

767In Stock

$14.33

$13.14

$11.90

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

34 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

AT89C51ED2-SMSUM
Microchip Technology
1: $15.23
1,069In Stock

Mfr. Part No.
AT89C51ED2-SMSUM

Mouser Part No
556-A89C51ED2SMSUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

Learn More

Datasheet

1,069In Stock

$15.23

$13.96

$12.65

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-68

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

48 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

AT89C51RB2-SLSUM
Microchip Technology
1: $10.44
1,944In Stock

Mfr. Part No.
AT89C51RB2-SLSUM

Mouser Part No
556-A89C51RB2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

Learn More

Datasheet

1,944In Stock

$10.44

$9.58

$8.69

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

AT89C51RC-24PU
Microchip Technology
1: $7.19
805In Stock

Mfr. Part No.
AT89C51RC-24PU

Mouser Part No
556-A89C51RC-24PU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

Learn More

Datasheet

805In Stock

$7.19

$6.60

$6.49

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

24 MHz

32 kB

512 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

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

AT89C51RC2-3CSUM
Microchip Technology
1: $13.09
512In 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

512In Stock

$13.09

$12.02

$10.88

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51RD2-SLSUM
Microchip Technology
1: $12.52
1,723In Stock

Mfr. Part No.
AT89C51RD2-SLSUM

Mouser Part No
556-A89C51RD2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

Learn More

Datasheet

1,723In Stock

$12.52

$11.50

$10.41

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

32 I/O

- 40 C

+ 85 C

Tube

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

AT89LP4052-20SU
Microchip Technology
1: $3.42
712In Stock
1,665Expected 27/3/2026

Mfr. Part No.
AT89LP4052-20SU

Mouser Part No
556-A89LP4052-20SU

Microchip Technology

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

Datasheet

712In Stock

1,665Expected 27/3/2026

$3.42

$3.13

$2.82

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-20

8051

8 bit

20 MHz

4 kB

256 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24JU
Microchip Technology
1: $6.63
414In Stock

Mfr. Part No.
AT89S51-24JU

Mouser Part No
556-A89S51-24JU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

414In Stock

$6.63

$6.06

$5.96

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

4 kB

128 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24PU
Microchip Technology
1: $4.61
1,706In Stock

Mfr. Part No.
AT89S51-24PU

Mouser Part No
556-A89S51-24PU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

1,706In Stock

$4.61

$4.24

$3.84

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

24 MHz

4 kB

128 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

AT89S52-24AU
Microchip Technology
1: $2.99
4,203In Stock

Mfr. Part No.
AT89S52-24AU

Mouser Part No
556-A89S52-24AU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Datasheet

4,203In Stock

$2.99

$2.97

$2.85

$2.63

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

AT89S52-24PU
Microchip Technology
1: $5.12
2,256In Stock
2,955Expected 23/4/2026

Mfr. Part No.
AT89S52-24PU

Mouser Part No
556-A89S52-24PU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Datasheet

2,256In Stock

2,955Expected 23/4/2026

$5.12

$4.70

$4.27

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

AT89S8253-24AU
Microchip Technology
1: $3.75
2,398In Stock

Mfr. Part No.
AT89S8253-24AU

Mouser Part No
556-A89S8253-24AU

Microchip Technology

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

Datasheet

2,398In Stock

$3.75

$3.46

$3.11

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

12 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

AT89S8253-24JU
Microchip Technology
1: $6.55
952In Stock

Mfr. Part No.
AT89S8253-24JU

Mouser Part No
556-A89S8253-24JU

Microchip Technology

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

Datasheet

952In Stock

$6.55

$5.99

$5.92

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

12 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

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

AT80C51RD2-3CSUM
Microchip Technology
1: $7.02
407In Stock

Mfr. Part No.
AT80C51RD2-3CSUM

Mouser Part No
556-AT80C51RD2-3CSUM

Microchip Technology

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

Datasheet

407In Stock

$7.02

$6.44

$6.30

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

40 MHz

0 B

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

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

AT89LP51ID2-20AU
Microchip Technology
1: $8.38
480In Stock

Mfr. Part No.
AT89LP51ID2-20AU

Mouser Part No
556-AT89LP51ID2-20AU

Microchip Technology

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

Learn More

Datasheet

480In Stock

$8.38

$7.67

$6.95

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

AT89LP51RC2-20AU
Microchip Technology
1: $5.92
973In Stock

Mfr. Part No.
AT89LP51RC2-20AU

Mouser Part No
556-AT89LP51RC2-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

Learn More

Datasheet

973In Stock

$5.92

$5.43

$4.91

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

32 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tray

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

AT89LP51RD2-20AU
Microchip Technology
1: $7.10
320In Stock

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

320In Stock

$7.10

$6.52

$5.91

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tray

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

AT89LP51RD2-20JU
Microchip Technology
1: $8.27
543In 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

543In Stock

$8.27

$7.59

$7.46

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

AT89LP6440-20AU
Microchip Technology
1: $16.26
573In Stock

Mfr. Part No.
AT89LP6440-20AU

Mouser Part No
556-AT89LP6440-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

Datasheet

573In Stock

$16.26

$14.90

$13.51

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

4.25 kB

10 bit

38 I/O

- 40 C

+ 85 C

Tray

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

AT89S52-24AUR
Microchip Technology
1: $3.36
4,360In 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

4,360In Stock

Cut Tape

$3.36

$3.04

$2.78

Reel

$2.78

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

AT89S52-24JU
Microchip Technology
1: $5.27
1,469In Stock

Mfr. Part No.
AT89S52-24JU

Mouser Part No
556-AT89S52-24JU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Datasheet

1,469In Stock

$5.27

$4.82

$4.78

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

IS2083BM-232
Microchip Technology
1: $10.30
2,969In Stock

Mfr. Part No.
IS2083BM-232

Mouser Part No
579-IS2083BM-232

Microchip Technology

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

Datasheet

2,969In Stock

Cut Tape

$10.30

$9.42

$9.27

Reel

$9.27

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC

SMD/SMT

BGA-82

8051

8 bit

2 MB

96 kB

10 bit, 16 bit

19 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHT

CC1110F32RHHR
Texas Instruments
1: $9.70
600In Stock

Mfr. Part No.
CC1110F32RHHR

Mouser Part No
595-CC1110F32RHHR

Texas Instruments

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHT

Learn More

Datasheet

600In Stock

Cut Tape

$9.70

$8.41

$7.95

$7.33

View

Reel

$6.16

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

VQFN-36

8051

32 kB

4 kB

21 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHR

CC1110F32RHHT
Texas Instruments
1: $11.22
1,427In Stock

Mfr. Part No.
CC1110F32RHHT

Mouser Part No
595-CC1110F32RHHT

Texas Instruments

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHR

Learn More

Datasheet

1,427In Stock

Cut Tape

$11.22

$9.74

$9.22

$8.51

Reel

$8.08

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-36

8051

32 kB

4 kB

21 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC RF Bluetooth SMART S OC BLE A 595-CC2541 A 595-CC2541F256RHAT

CC2541F256RHAR
Texas Instruments
1: $5.70
2,286In Stock

Mfr. Part No.
CC2541F256RHAR

Mouser Part No
595-CC2541F256RHAR

Texas Instruments

RF System on a Chip - SoC RF Bluetooth SMART S OC BLE A 595-CC2541 A 595-CC2541F256RHAT

Learn More

Datasheet

2,286In Stock

Cut Tape

$5.70

$4.31

$3.96

$3.57

View

Reel

$3.10

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

VQFN-40

8051

8 bit

256 kB

8 kB

12 bit

23 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-82
LGA-42
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

128 B
256 B
512 B
768 B
1 kB
1.2 kB
1.25 kB
1.28 kB
1.54 kB
1.75 kB
2 KB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
4352 B

4 I/O
5 I/O
6 I/O
7 I/O
8 I/O
9 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
23 I/O
24 I/O
25 I/O
26 I/O