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8051 Core Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Core = 8051

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Part #

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

AT89C51RC-24PU
Microchip Technology
1: 33,20 kr.
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

33,20 kr.

30,51 kr.

30,44 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

24 MHz

32 kB

512 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tube

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

AT89C51RC2-3CSUM
Microchip Technology
1: 60,43 kr.
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

60,43 kr.

55,50 kr.

50,21 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tube

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

AT89C51RD2-SLSUM
Microchip Technology
1: 57,82 kr.
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

57,82 kr.

53,04 kr.

48,04 kr.

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

32 I/O

2.7 V

5.5 V

+ 85 C

Tube

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

AT89LP4052-20SU
Microchip Technology
1: 15,82 kr.
712In Stock
1.665Expected 27/03/2026

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 27/03/2026

15,82 kr.

14,47 kr.

13,06 kr.

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

8 bit

20 MHz

4 kB

256 B

No ADC

15 I/O

2.4 V

5.5 V

+ 85 C

Tube

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

AT89S51-24JU
Microchip Technology
1: 30,59 kr.
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

30,59 kr.

27,98 kr.

27,90 kr.

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

4 kB

128 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tube

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

AT89S51-24PU
Microchip Technology
1: 21,34 kr.
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

21,34 kr.

19,55 kr.

17,68 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

24 MHz

4 kB

128 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tube

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

AT89S52-24AU
Microchip Technology
1: 13,80 kr.
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

13,80 kr.

13,73 kr.

13,13 kr.

12,16 kr.

12,01 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tray

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

AT89S52-24PU
Microchip Technology
1: 23,57 kr.
2.256In Stock
2.955Expected 23/04/2026

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 23/04/2026

23,57 kr.

21,71 kr.

19,69 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tube

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

AT89S8253-24AU
Microchip Technology
1: 17,31 kr.
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

17,31 kr.

15,96 kr.

14,40 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

12 kB

256 B

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tray

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

AT89S8253-24JU
Microchip Technology
1: 30,21 kr.
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

30,21 kr.

27,75 kr.

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

12 kB

256 B

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tube

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

AT80C51RD2-3CSUM
Microchip Technology
1: 32,38 kr.
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

32,38 kr.

29,69 kr.

29,47 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

8 bit

40 MHz

0 B

1.25 kB

No ADC

32 I/O

2.7 V

5.5 V

+ 85 C

Tube

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

AT89LP51ID2-20AU
Microchip Technology
1: 38,72 kr.
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

38,72 kr.

35,44 kr.

32,08 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tray

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

AT89LP51RC2-20AU
Microchip Technology
1: 27,30 kr.
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

27,30 kr.

25,07 kr.

22,68 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

32 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tray

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

AT89LP51RD2-20AU
Microchip Technology
1: 32,75 kr.
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

32,75 kr.

30,06 kr.

27,30 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tray

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

AT89LP51RD2-20JU
Microchip Technology
1: 38,20 kr.
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

38,20 kr.

35,06 kr.

34,91 kr.

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

20 MHz

64 kB

256 B

10 bit

40 I/O

2.4 V

5.5 V

+ 85 C

Tube

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

AT89LP6440-20AU
Microchip Technology
1: 75,05 kr.
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

75,05 kr.

68,78 kr.

62,37 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

64 kB

4.25 kB

10 bit

38 I/O

2.4 V

3.6 V

+ 85 C

Tray

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

AT89S52-24AUR
Microchip Technology
1: 15,52 kr.
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

15,52 kr.

14,02 kr.

12,83 kr.

Reel

12,83 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.000

SMD/SMT

TQFP-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Reel, Cut Tape, MouseReel

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

AT89S52-24JU
Microchip Technology
1: 24,32 kr.
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

24,32 kr.

22,38 kr.

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

8 bit

24 MHz

8 kB

256 B

No ADC

32 I/O

4 V

5.5 V

+ 85 C

Tube

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

C8051F310-GQR
Silicon Labs
1: 74,45 kr.
413In Stock

Mfr. Part No.
C8051F310-GQR

Mouser Part No
634-C8051F310-GQR

Silicon Labs

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

Datasheet

413In Stock

Cut Tape

74,45 kr.

61,77 kr.

57,59 kr.

52,52 kr.

Reel

48,34 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

LQFP-32

8051

8 bit

25 MHz

16 kB

1.25 kB

10 bit

29 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F353-GM
Silicon Labs
1: 65,50 kr.
1.509In Stock

Mfr. Part No.
C8051F353-GM

Mouser Part No
634-C8051F353-GM

Silicon Labs

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

Datasheet

1.509In Stock

65,50 kr.

54,31 kr.

47,00 kr.

45,06 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

8 bit

50 MHz

8 kB

768 B

16 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Tube

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

C8051F382-GQ
Silicon Labs
1: 37,00 kr.
2.594In Stock

Mfr. Part No.
C8051F382-GQ

Mouser Part No
634-C8051F382-GQ

Silicon Labs

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

Learn More

Datasheet

2.594In Stock

37,00 kr.

30,74 kr.

28,57 kr.

25,81 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

8 bit

48 MHz

32 kB

2.25 kB

10 bit

40 I/O

2.7 V

5.25 V

+ 85 C

Tray

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

C8051F384-GQ
Silicon Labs
1: 58,34 kr.
457In Stock

Mfr. Part No.
C8051F384-GQ

Mouser Part No
634-C8051F384-GQ

Silicon Labs

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

Learn More

Datasheet

457In Stock

58,34 kr.

41,48 kr.

39,54 kr.

34,32 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

8 bit

48 MHz

64 kB

4.35 kB

40 I/O

2.7 V

5.25 V

+ 85 C

Tray

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

C8051F392-A-GM
Silicon Labs
1: 23,05 kr.
1.279In Stock
1.911Expected 03/03/2026

Mfr. Part No.
C8051F392-A-GM

Mouser Part No
634-C8051F392-A-GM

Silicon Labs

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

Learn More

Datasheet

1.279In Stock

1.911Expected 03/03/2026

23,05 kr.

19,25 kr.

16,19 kr.

15,37 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

50 MHz

16 kB

1 kB

10 bit

17 I/O

1.8 V

3.6 V

+ 105 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

C8051F411-GM
Silicon Labs
1: 70,80 kr.
738In Stock

Mfr. Part No.
C8051F411-GM

Mouser Part No
634-C8051F411-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU

Datasheet

738In Stock

70,80 kr.

60,95 kr.

54,53 kr.

53,49 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

8 bit

50 MHz

32 kB

2.31 kB

12 bit

20 I/O

2 V

5.25 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

C8051F500-IQ
Silicon Labs
1: 72,29 kr.
978In Stock

Mfr. Part No.
C8051F500-IQ

Mouser Part No
634-C8051F500-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

Datasheet

978In Stock

72,29 kr.

59,90 kr.

55,88 kr.

50,95 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

40 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tray

8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU

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LGA-42
LQFP-32
LQFP-44
LQFP-48
LQFP-64
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-36

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
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