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8051 Core 8-bit Microcontrollers - MCU

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Results: 679

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Core = 8051

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Part #

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

8051

12 kB

256 B

PLCC-44

24 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89S

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

8051

0 B

1.25 kB

PDIP-40

40 MHz

No ADC

32 I/O

2.7 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

80C

Tube

8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC2T-RLTUM
Microchip Technology
1: $13.64
1,135In Stock

Mfr. Part No.
AT89C51AC2T-RLTUM

Mouser Part No
556-AT89C51AC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN

Learn More

Datasheet

1,135In Stock

$13.64

$12.51

$11.33

Min.: 1
Mult.: 1

8051

32 kB

128 B

TQFP-44

40 MHz

10 bit

34 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN

AT89C51CC01CAT-RLTUM
Microchip Technology
1: $12.61
1,478In Stock

Mfr. Part No.
AT89C51CC01CAT-RLTUM

Mouser Part No
556-AT89C51CC01CATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN

Learn More

Datasheet

1,478In Stock

$12.61

$11.55

$10.47

Min.: 1
Mult.: 1

8051

32 kB

1.25 kB

TQFP-44

40 MHz

10 bit

34 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

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

AT89C51ED2T-RLRUM
Microchip Technology
1: $13.90
451In 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

451In Stock

Cut Tape

$13.90

$12.75

$11.54

Reel

$11.54

Min.: 1
Mult.: 1

Reel: 2,000

8051

64 kB

2 kB

TQFP-44

60 MHz

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Reel, Cut Tape

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

AT89C51ED2T-RLTUM
Microchip Technology
1: $13.64
771In Stock

Mfr. Part No.
AT89C51ED2T-RLTUM

Mouser Part No
556-AT89C51ED2TLTUM

Microchip Technology

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

Learn More

Datasheet

771In Stock

$13.64

$12.51

$11.33

Min.: 1
Mult.: 1

8051

64 kB

2 kB

TQFP-44

60 MHz

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

AT89C51RC2T-RLTUM
Microchip Technology
1: $11.38
1,321In Stock

Mfr. Part No.
AT89C51RC2T-RLTUM

Mouser Part No
556-AT89C51RC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

Learn More

Datasheet

1,321In Stock

$11.38

$10.43

$9.44

Min.: 1
Mult.: 1

8051

32 kB

1.25 kB

TQFP-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 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

8051

32 kB

256 B

TQFP-44

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 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

8051

64 kB

256 B

TQFP-44

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 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

8051

64 kB

256 B

PLCC-44

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 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

8051

64 kB

4.25 kB

TQFP-44

20 MHz

10 bit

38 I/O

2.4 V

3.6 V

SMD/SMT

8 bit

- 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

8051

8 kB

256 B

TQFP-44

24 MHz

No ADC

32 I/O

4 V

5.5 V

SMD/SMT

8 bit

- 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

8051

8 kB

256 B

PLCC-44

24 MHz

No ADC

32 I/O

4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89S

Tube

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

C8051F310-GQR
Silicon Labs
1: $16.14
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

$16.14

$13.39

$12.48

$11.38

Reel

$10.47

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051

16 kB

1.25 kB

LQFP-32

25 MHz

10 bit

29 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F310

Reel, Cut Tape, MouseReel

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

C8051F353-GM
Silicon Labs
1: $14.19
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

$14.19

$11.76

$10.17

$9.76

View

Min.: 1
Mult.: 1

8051

8 kB

768 B

QFN-28

50 MHz

16 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F353

Tube

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

C8051F382-GQ
Silicon Labs
1: $8.02
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

$8.02

$6.66

$6.19

$5.59

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-48

48 MHz

10 bit

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F382

Tray

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

C8051F384-GQ
Silicon Labs
1: $12.64
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

$12.64

$8.98

$8.56

$7.44

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-48

48 MHz

40 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F384

Tray

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

C8051F392-A-GM
Silicon Labs
1: $4.99
1,279In Stock
1,911Expected 3/3/2026

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 3/3/2026

$4.99

$4.17

$3.50

$3.34

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-20

50 MHz

10 bit

17 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

C8051F392

Tube

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

C8051F411-GM
Silicon Labs
1: $15.33
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

$15.33

$13.21

$11.82

$11.59

View

Min.: 1
Mult.: 1

8051

32 kB

2.31 kB

QFN-28

50 MHz

12 bit

20 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F411

Tube

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

C8051F500-IQ
Silicon Labs
1: $15.67
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

$15.67

$12.98

$12.11

$11.04

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F500

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F505-IQ
Silicon Labs
1: $14.11
637In Stock

Mfr. Part No.
C8051F505-IQ

Mouser Part No
634-C8051F505-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

637In Stock

$14.11

$11.70

$10.90

$9.92

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F505

AEC-Q100

Tray

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: $7.85
3,301In Stock

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

3,301In Stock

$7.85

$6.52

$5.59

$5.32

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F530A

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

C8051F531-C-IT
Silicon Labs
1: $8.74
946In Stock

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

Datasheet

946In Stock

$8.74

$7.26

$6.23

$5.95

View

Min.: 1
Mult.: 1

8051

8 kB

256 B

TSSOP-20

25 MHz

12 bit

16 I/O

2 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F531

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F550-IM
Silicon Labs
1: $10.76
1,524In Stock

Mfr. Part No.
C8051F550-IM

Mouser Part No
634-C8051F550-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

1,524In Stock

$10.76

$8.92

$7.58

$7.26

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFN-24

50 MHz

12 bit

18 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F550

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F553-IM
Silicon Labs
1: $10.26
1,922In Stock

Mfr. Part No.
C8051F553-IM

Mouser Part No
634-C8051F553-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

1,922In Stock

$10.26

$8.51

$7.23

$6.92

View

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

QFN-24

50 MHz

12 bit

18 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F553

AEC-Q100

Tube

8051 Core 8-bit Microcontrollers - MCU

Customer Service Office

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Resources

Support

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
8 kB

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-40
QFN-48

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

80C
89C
89LP
89LS
89S
AT89C55WD
C8051F005
C8051F006
C8051F007
C8051F015
C8051F016
C8051F017
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F023
C8051F040
C8051F041