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8051 Core 8-bit Microcontrollers - MCU

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Part #

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

C8051F330-GM
Silicon Labs
1: 39,19 zł
1 911Expected 10/16/2026
NRND

Mfr. Part No.
C8051F330-GM

Mouser Part No
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

1 911Expected 10/16/2026

39,19 zł

32,51 zł

27,72 zł

26,59 zł

View

Min.: 1
Mult.: 1

8051

8 kB

768 B

QFN-20

25 MHz

10 bit

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F330

Tube

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

AT89C2051-12SU
Microchip Technology
1: 5,46 zł
110Expected 9/9/2026

Mfr. Part No.
AT89C2051-12SU

Mouser Part No
556-A89C205112SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V

Datasheet

110Expected 9/9/2026

5,46 zł

5,04 zł

4,54 zł

Min.: 1
Mult.: 1

8051

2 kB

128 B

SOIC-20

12 MHz

No ADC

15 I/O

2.7 V

6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

AT89C4051-12SU
Microchip Technology
1: 5,42 zł
552On Order

Mfr. Part No.
AT89C4051-12SU

Mouser Part No
556-A89C405112SU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V

Datasheet

552On Order

5,42 zł

5,00 zł

4,49 zł

Min.: 1
Mult.: 1

8051

4 kB

128 B

SOIC-20

12 MHz

No ADC

15 I/O

2.7 V

6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89LP51ED2-20PU
Microchip Technology
1: 21,29 zł
140On Order

Mfr. Part No.
AT89LP51ED2-20PU

Mouser Part No
556-AT89LP51ED2-20PU

Microchip Technology

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

Learn More

Datasheet

140On Order

21,29 zł

19,49 zł

17,68 zł

Min.: 1
Mult.: 1

8051

64 kB

256 B

PDIP-40

20 MHz

10 bit

40 I/O

2.4 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

Tube

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

AT89LP52-20JU
Microchip Technology
1: 12,47 zł
130Expected 9/14/2026

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

130Expected 9/14/2026

12,47 zł

11,42 zł

Min.: 1
Mult.: 1

8051

8 kB

256 B

PLCC-44

20 MHz

No ADC

36 I/O

2.4 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F040-GQ
Silicon Labs
1: 115,75 zł
425Expected 10/30/2026
End of Life

Mfr. Part No.
C8051F040-GQ

Mouser Part No
634-C8051F040-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

425Expected 10/30/2026

115,75 zł

96,64 zł

85,22 zł

81,90 zł

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-100

25 MHz

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F040

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F042-GQR
Silicon Labs
1: 103,91 zł
246Expected 9/8/2026
End of Life

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

246Expected 9/8/2026

Cut Tape

103,91 zł

86,56 zł

85,01 zł

82,40 zł

Reel

69,97 zł

Min.: 1
Mult.: 1

: 250

8051

64 kB

4.25 kB

TQFP-100

25 MHz

10 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F042

Reel, Cut Tape

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

C8051F331-GMR
Silicon Labs
1: 38,30 zł
1 500Expected 10/16/2026
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 10/16/2026

Cut Tape

38,30 zł

29,61 zł

28,27 zł

24,53 zł

View

Reel

22,39 zł

MouseReel Available

Min.: 1
Mult.: 1

: 1 500

8051

8 kB

768 B

QFN-20

25 MHz

No ADC

17 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F331

Reel, Cut Tape, MouseReel

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

C8051F531-C-IT
Silicon Labs
1: 27,68 zł
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

27,68 zł

22,81 zł

19,74 zł

18,86 zł

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 128 kB 5 V CAN LIN 8-bit MCU

C8051F580-IM
Silicon Labs
1: 61,24 zł
810Expected 1/29/2027
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 1/29/2027

61,24 zł

52,88 zł

46,07 zł

43,76 zł

View

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

QFN-48

24 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F580

AEC-Q100

Tube

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

ML51PB9AE
Nuvoton
1: 8,86 zł
499Expected 10/21/2027

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 10/21/2027

8,86 zł

5,71 zł

5,08 zł

4,24 zł

View

Min.: 1
Mult.: 1

8051

16 kB

2 kB

LQFP-32

24 MHz

12 bit

28 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

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

ML51TC0AE
Nuvoton
1: 5,75 zł
490Expected 3/26/2027

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 3/26/2027

5,75 zł

4,87 zł

4,24 zł

4,04 zł

View

Min.: 1
Mult.: 1

8051

32 kB

2 kB

QFN-33

24 MHz

12 bit

28 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

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

AT89C51AC3-RDTUM
Microchip Technology
1: 36,88 zł
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

36,88 zł

33,89 zł

30,58 zł

Min.: 1
Mult.: 1

8051

64 kB

2 kB

VQFP-64

60 MHz

10 bit

36 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51CC02UA-RATUM
Microchip Technology
250: 24,61 zł
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

24,61 zł

Min.: 250
Mult.: 250

8051

16 kB

512 B

VQFP-32

40 MHz

20 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51CC03CA-RDTUM
Microchip Technology
1: 39,86 zł
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

39,86 zł

36,58 zł

33,14 zł

Min.: 1
Mult.: 1

8051

64 kB

2 kB

VQFP-64

60 MHz

10 bit

36 I/O

3 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51ED2-RDRUM
Microchip Technology
1 500: 35,45 zł
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

35,45 zł

View

Min.: 1 500
Mult.: 1 500

: 1 500

8051

64 kB

2 kB

LQFP-64

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51ED2-RDTUM
Microchip Technology
160: 31,29 zł
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

31,29 zł

Min.: 160
Mult.: 160

8051

64 kB

2 kB

VQFP-64

60 MHz

No ADC

50 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

89C

Tray

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

AT89C51ED2-SLRUM
Microchip Technology
500: 35,41 zł
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

35,41 zł

35,24 zł

Quote

Min.: 500
Mult.: 500

: 500

8051

64 kB

2 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51IC2-SLRUL
Microchip Technology
500: 30,95 zł
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

30,95 zł

30,79 zł

Quote

Min.: 500
Mult.: 500

: 500

8051

32 kB

1.25 kB

PLCC-44

60 MHz

No ADC

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51IC2-SLRUM
Microchip Technology
500: 30,32 zł
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

30,32 zł

30,20 zł

Quote

Min.: 500
Mult.: 500

: 500

8051

32 kB

1.25 kB

PLCC-44

60 MHz

No ADC

34 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51ID2-SLRUM
Microchip Technology
500: 38,56 zł
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

38,56 zł

Min.: 500
Mult.: 500

: 500

8051

64 kB

2 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51RB2-3CSUM
Microchip Technology
1: 27,09 zł
Lead-Time 9 Weeks

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

Lead-Time 9 Weeks

27,09 zł

24,86 zł

22,51 zł

Min.: 1
Mult.: 1

8051

16 kB

1.25 kB

PDIP-40

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

89C

Tube

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

AT89C51RB2-SLRUL
Microchip Technology
1: 35,20 zł
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

35,20 zł

29,44 zł

Reel

28,85 zł

Min.: 1
Mult.: 1

: 500

8051

16 kB

1.25 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel, Cut Tape

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

AT89C51RB2-SLRUM
Microchip Technology
500: 29,44 zł
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

29,44 zł

Min.: 500
Mult.: 500

: 500

8051

16 kB

1.25 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

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

AT89C51RC2-SLRUL
Microchip Technology
500: 34,15 zł
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

34,15 zł

Min.: 500
Mult.: 500

: 500

8051

32 kB

1.25 kB

PLCC-44

60 MHz

No ADC

32 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

Reel

8051 Core 8-bit Microcontrollers - MCU

Customer Service Office

Company

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
4 kB
4.25 kB
4.35 kB
8 kB
8.25 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
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F040
C8051F042
C8051F043
C8051F044
C8051F046
C8051F060
C8051F061