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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 605

Applied Filters:

Core = 8051

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Product Type

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Maximum Clock Frequency

Program Memory Size

Data RAM Size

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Number of I/Os

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Part #

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

C8051F331-GMR
Silicon Labs
1: $14.43
1,500Expected 16/10/2026
End of Life

Mfr. Part No.
C8051F331-GMR

Mouser Part No
634-C8051F331-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)

Datasheet

1,500Expected 16/10/2026

Cut Tape

$14.43

$11.15

$10.64

$9.23

View

Reel

$8.43

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

768 B

No ADC

17 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F531-C-IT
Silicon Labs
1: $10.42
1,551Expected 1/1/2027
End of Life

Mfr. Part No.
C8051F531-C-IT

Mouser Part No
634-C8051F531-C-IT

End of Life

Silicon Labs

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

Datasheet

1,551Expected 1/1/2027

$10.42

$8.58

$7.43

$7.10

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

C8051F580-IM
Silicon Labs
1: $23.05
810Expected 29/1/2027
End of Life

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

Learn More

Datasheet

810Expected 29/1/2027

$23.05

$19.91

$17.34

$16.48

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

24 MHz

128 kB

8.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51PB9AE
Nuvoton
1: $3.33
499Expected 21/10/2027

Mfr. Part No.
ML51PB9AE

Mouser Part No
503-ML51PB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

499Expected 21/10/2027

$3.33

$2.15

$1.92

$1.59

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-32

8051

8 bit

24 MHz

16 kB

2 kB

12 bit

28 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051

ML51TC0AE
Nuvoton
1: $2.16
490Expected 26/3/2027

Mfr. Part No.
ML51TC0AE

Mouser Part No
503-ML51TC0AE

Nuvoton

8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051

Learn More

Datasheet

490Expected 26/3/2027

$2.16

$1.84

$1.60

$1.52

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-33

8051

8 bit

24 MHz

32 kB

2 kB

12 bit

28 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

AT89C51AC3-RDTUM
Microchip Technology
1: $13.89
Lead-Time 8 Weeks

Mfr. Part No.
AT89C51AC3-RDTUM

Mouser Part No
556-A89C51AC3RDTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

Learn More

Datasheet

Lead-Time 8 Weeks

$13.89

$12.76

$11.52

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

VQFP-64

8051

8 bit

60 MHz

64 kB

2 kB

10 bit

36 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND

AT89C51CC02UA-RATUM
Microchip Technology
250: $9.26
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
AT89C51CC02UA-RATUM

Mouser Part No
556-A89C51C02UARATUM

Microchip Technology

8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$9.26

Min.: 250
Mult.: 250

8-bit Microcontrollers - MCU

SMD/SMT

VQFP-32

8051

8 bit

40 MHz

16 kB

512 B

20 I/O

- 40 C

+ 85 C

Tray

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

AT89C51CC03CA-RDTUM
Microchip Technology
1: $15.00
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51CC03CA-RDTUM

Mouser Part No
556-A89C51C03CARDTUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

$15.00

$13.78

$12.47

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

VQFP-64

8051

8 bit

60 MHz

64 kB

2 kB

10 bit

36 I/O

- 40 C

+ 85 C

Tray

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

AT89C51ED2-RDRUM
Microchip Technology
1,500: $13.34
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51ED2-RDRUM

Mouser Part No
556-A89C51ED2RDRUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$13.34

View

Min.: 1,500
Mult.: 1,500

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-64

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

32 I/O

Reel

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

AT89C51ED2-RDTUM
Microchip Technology
160: $11.78
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51ED2-RDTUM

Mouser Part No
556-A89C51ED2RDTUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$11.78

Min.: 160
Mult.: 160

8-bit Microcontrollers - MCU

SMD/SMT

VQFP-64

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

50 I/O

- 40 C

+ 85 C

Tray

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

AT89C51ED2-SLRUM
Microchip Technology
500: $13.33
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51ED2-SLRUM

Mouser Part No
556-A89C51ED2SLRUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$13.33

$13.26

Quote

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

32 I/O

Reel

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V

AT89C51IC2-SLRUL
Microchip Technology
500: $11.66
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51IC2-SLRUL

Mouser Part No
556-A89C51IC2SLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$11.66

$11.59

Quote

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

34 I/O

Reel

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

AT89C51IC2-SLRUM
Microchip Technology
500: $11.42
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51IC2-SLRUM

Mouser Part No
556-A89C51IC2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$11.42

$11.37

Quote

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

34 I/O

Reel

8-bit Microcontrollers - MCU C51ID2 64K FLASH TWI 32KHz 5V

AT89C51ID2-SLRUM
Microchip Technology
500: $14.52
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51ID2-SLRUM

Mouser Part No
556-A89C51ID2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51ID2 64K FLASH TWI 32KHz 5V

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$14.52

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

No ADC

32 I/O

Reel

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-3CSUM
Microchip Technology
1: $10.20
120On Order

Mfr. Part No.
AT89C51RB2-3CSUM

Mouser Part No
556-A89C51RB2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

120On Order

$10.20

$9.36

$8.47

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind

AT89C51RB2-SLRUL
Microchip Technology
1: $13.25
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51RB2-SLRUL

Mouser Part No
556-A89C51RB2SLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Cut Tape

$13.25

$11.08

Reel

$10.87

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

Reel, Cut Tape

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-SLRUM
Microchip Technology
500: $11.08
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51RB2-SLRUM

Mouser Part No
556-A89C51RB2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$11.08

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

Reel

8-bit Microcontrollers - MCU C51RC2 32K FLASH 3V Ind

AT89C51RC2-SLRUL
Microchip Technology
500: $12.85
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51RC2-SLRUL

Mouser Part No
556-A89C51RC2SLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 32K FLASH 3V Ind

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$12.85

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

32 I/O

Reel

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

AT89C51RC2-SLRUM
Microchip Technology
500: $12.85
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C51RC2-SLRUM

Mouser Part No
556-A89C51RC2SLRUM

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$12.85

Min.: 500
Mult.: 500

: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

32 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Reel

8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V

AT89LS52-16PU
Microchip Technology
1: $5.89
Lead-Time 9 Weeks

Mfr. Part No.
AT89LS52-16PU

Mouser Part No
556-A89LS52-16PU

Microchip Technology

8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V

Datasheet

Lead-Time 9 Weeks

$5.89

$5.00

$4.90

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

16 MHz

8 kB

256 B

No ADC

32 I/O

- 40 C

+ 85 C

Tube

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

AT89C5131A-TIRUL
Microchip Technology
1,000: $10.12
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89C5131A-TIRUL

Mouser Part No
556-AT89C5131A-TIRUL

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$10.12

View

Min.: 1,000
Mult.: 1,000

: 1,000

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-28

8051

8 bit

48 MHz

32 kB

1 kB

No ADC

18 I/O

- 40 C

+ 85 C

Reel

8-bit Microcontrollers - MCU 8-bit 16K Flash C51RB2

AT89C51RB2-3CSUL
Microchip Technology
100: $10.58
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
AT89C51RB2-3CSUL

Mouser Part No
556-AT89C51RB2-3CSUL

Microchip Technology

8-bit Microcontrollers - MCU 8-bit 16K Flash C51RB2

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

$10.58

$10.55

$10.54

$10.51

Min.: 100
Mult.: 10

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

Tube

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

AT89LP51RB2-20AU
Microchip Technology
320: $4.96
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
AT89LP51RB2-20AU

Mouser Part No
556-AT89LP51RB2-20AU

Microchip Technology

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$4.96

$4.94

Quote

Min.: 320
Mult.: 160

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

24 kB

256 B

10 bit

40 I/O

- 40 C

+ 85 C

Tray

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

AT89LP6440-20MU
Microchip Technology
360: $6.47
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
AT89LP6440-20MU

Mouser Part No
556-AT89LP6440-20MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 9 Weeks

$6.47

Min.: 360
Mult.: 360

8-bit Microcontrollers - MCU

SMD/SMT

VQFN-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 Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin

C8051F340-GQR
Silicon Labs
1: $34.78
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F340-GQR

Mouser Part No
634-C8051F340-GQR

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F380-GQ) 48 MIPS, 64KB,10ADC,USB,48Pin

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$34.78

$27.77

$25.68

$23.99

View

Reel

$21.46

MouseReel Available

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-48

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

40 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
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

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
4 kB
4.25 kB
4.35 kB
4352 B
6 kB

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