.hide-partial { max-height: none; } .show-more { display: none; }

8051 Core Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Microcontrollers - MCU

List Images

Results: 533

Applied Filters:

Core = 8051

Manufacturer

Mounting Style

Package/Case

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Supply Voltage - Min

Supply Voltage - Max

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

AT80C51RD2-3CSUM
Microchip Technology
1: 32,38 kr.
190In Stock
300Expected 18/09/2026

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

190In Stock

300Expected 18/09/2026

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 Single Cycle 8051 4K ISP FL

AT89LP51-20AU
Microchip Technology
1: 11,04 kr.
130In Stock
480Expected 23/10/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

Learn More

Datasheet

130In Stock

480Expected 23/10/2026

11,04 kr.

10,00 kr.

9,18 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

8 bit

20 MHz

4 kB

256 B

No ADC

36 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.
143In Stock
135On Order

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

143In Stock

135On Order

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 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20PU
Microchip Technology
1: 34,24 kr.
59In Stock
150On Order

Mfr. Part No.
AT89LP51RD2-20PU

Mouser Part No
556-AT89LP51RD2-20PU

Microchip Technology

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

Learn More

Datasheet

59In Stock

150On Order

34,24 kr.

31,56 kr.

28,50 kr.

Min.: 1
Mult.: 1

Through Hole

PDIP-40

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 8051 50 MHz 64 kB 8-bit MCU

C8051F340-GQ
Silicon Labs
1: 159,27 kr.
14In Stock

Mfr. Part No.
C8051F340-GQ

Mouser Part No
634-C8051F340-GQ

Silicon Labs

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

Datasheet

14In Stock

159,27 kr.

125,33 kr.

118,99 kr.

108,39 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

40 I/O

2.7 V

5.25 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

C8051F351-GMR
Silicon Labs
1: 100,26 kr.
97In Stock

Mfr. Part No.
C8051F351-GMR

Mouser Part No
634-C8051F351-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU

Datasheet

97In Stock

Cut Tape

100,26 kr.

79,97 kr.

72,59 kr.

67,89 kr.

View

Reel

59,38 kr.

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-28

8051

8 bit

50 MHz

8 kB

768 B

24 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

C8051F381-GMR
Silicon Labs
1: 46,18 kr.
90In Stock

Mfr. Part No.
C8051F381-GMR

Mouser Part No
634-C8051F381-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)

Datasheet

90In Stock

Cut Tape

46,18 kr.

36,40 kr.

32,75 kr.

30,44 kr.

Reel

26,78 kr.

View

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-32

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

25 I/O

2.7 V

5.25 V

+ 85 C

Reel, Cut Tape

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

C8051F387-GM
Silicon Labs
1: 37,37 kr.
208In Stock

Mfr. Part No.
C8051F387-GM

Mouser Part No
634-C8051F387-GM

Silicon Labs

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

Learn More

Datasheet

208In Stock

37,37 kr.

31,03 kr.

26,63 kr.

25,44 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

48 MHz

32 kB

2.3 kB

25 I/O

2.7 V

5.25 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F392-A-GMR
Silicon Labs
1: 25,96 kr.
72In Stock

Mfr. Part No.
C8051F392-A-GMR

Mouser Part No
634-C8051F392-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

72In Stock

Cut Tape

25,96 kr.

22,90 kr.

19,47 kr.

16,56 kr.

Reel

14,32 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

C8051F850-C-GMR
Silicon Labs
1: 18,13 kr.
559In Stock

Mfr. Part No.
C8051F850-C-GMR

Mouser Part No
634-C8051F850-C-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

Learn More

Datasheet

559In Stock

Cut Tape

18,13 kr.

14,17 kr.

11,41 kr.

10,82 kr.

Reel

9,10 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

2.2 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

CY8C3244AXI-153
Infineon Technologies
1: 72,36 kr.
33In Stock

Mfr. Part No.
CY8C3244AXI-153

Mouser Part No
727-CY8C3244AXI-153

Infineon Technologies

8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

33In Stock

72,36 kr.

56,32 kr.

51,10 kr.

41,10 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

8 bit

50 MHz

16 kB

2 kB

12 bit

70 I/O

1.71 V

5.5 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3445PVI-094
Infineon Technologies
1: 79,15 kr.
134In Stock

Mfr. Part No.
CY8C3445PVI-094

Mouser Part No
727-CY8C3445PVI-094

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

134In Stock

79,15 kr.

70,72 kr.

54,68 kr.

54,01 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

SSOP-48

8051

8 bit

50 MHz

32 kB

4 kB

12 bit

29 I/O

1.71 V

5.5 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQ
Silicon Labs
1: 204,40 kr.
113In Stock
800Expected 08/01/2027
End of Life

Mfr. Part No.
C8051F005-GQ

Mouser Part No
634-C8051F005-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

113In Stock

800Expected 08/01/2027

204,40 kr.

176,95 kr.

160,32 kr.

152,26 kr.

140,02 kr.

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQR
Silicon Labs
1: 204,40 kr.
234In Stock
End of Life

Mfr. Part No.
C8051F005-GQR

Mouser Part No
634-C8051F005-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

234In Stock

Cut Tape

204,40 kr.

187,92 kr.

146,07 kr.

Reel

145,99 kr.

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

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

C8051F021-GQ
Silicon Labs
1: 267,22 kr.
58In Stock
End of Life

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

End of Life

Silicon Labs

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

Datasheet

58In Stock

267,22 kr.

219,77 kr.

207,02 kr.

200,30 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

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

C8051F021-GQR
Silicon Labs
1: 269,53 kr.
379In Stock
End of Life

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

End of Life

Silicon Labs

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

Datasheet

379In Stock

Cut Tape

269,53 kr.

220,07 kr.

204,93 kr.

200,30 kr.

181,87 kr.

Reel

181,80 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

C8051F064-GQR
Silicon Labs
1: 200,52 kr.
115In Stock
End of Life

Mfr. Part No.
C8051F064-GQR

Mouser Part No
634-C8051F064-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

Datasheet

115In Stock

Cut Tape

200,52 kr.

160,24 kr.

150,17 kr.

139,73 kr.

Reel

139,65 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

16 bit

59 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

C8051F124-GQ
Silicon Labs
1: 286,61 kr.
9In Stock
1.350Expected 04/12/2026
End of Life

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

Datasheet

9In Stock

1.350Expected 04/12/2026

286,61 kr.

241,48 kr.

222,76 kr.

215,00 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

8 bit

50 MHz

128 kB

8.25 kB

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

+ 85 C

Tray

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

C8051F500-IM
Silicon Labs
1: 84,30 kr.
181In Stock
End of Life

Mfr. Part No.
C8051F500-IM

Mouser Part No
634-C8051F500-IM

End of Life

Silicon Labs

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

Datasheet

181In Stock

84,30 kr.

73,48 kr.

61,47 kr.

56,47 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-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

Tube

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

C8051F530-C-IM
Silicon Labs
1: 37,08 kr.
793In Stock
End of Life

Mfr. Part No.
C8051F530-C-IM

Mouser Part No
634-C8051F530-C-IM

End of Life

Silicon Labs

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

Datasheet

793In Stock

37,08 kr.

28,20 kr.

26,04 kr.

23,57 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

2 V

5.25 V

+ 125 C

AEC-Q100

Tube

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

C8051F580-IQ
Silicon Labs
1: 114,66 kr.
381In Stock
2.500Expected 29/01/2027
End of Life

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

381In Stock

2.500Expected 29/01/2027

114,66 kr.

95,12 kr.

84,97 kr.

81,54 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

PQFP-48

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

40 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GM
Silicon Labs
1: 31,18 kr.
63In Stock
End of Life

Mfr. Part No.
C8051F920-G-GM

Mouser Part No
634-C8051F920-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

63In Stock

31,18 kr.

24,54 kr.

21,86 kr.

20,22 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

900 mV

3.6 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GMR
Silicon Labs
1: 30,06 kr.
1.318In Stock
End of Life

Mfr. Part No.
C8051F920-G-GMR

Mouser Part No
634-C8051F920-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1.318In Stock

Cut Tape

30,06 kr.

24,99 kr.

23,20 kr.

20,89 kr.

Reel

17,61 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

900 mV

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: 27,68 kr.
996In Stock
End of Life

Mfr. Part No.
C8051F921-G-GMR

Mouser Part No
634-C8051F921-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

996In Stock

Cut Tape

27,68 kr.

21,71 kr.

19,69 kr.

17,98 kr.

View

Reel

15,44 kr.

Min.: 1
Mult.: 1

: 1.500

SMD/SMT

QFN-24

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

16 I/O

900 mV

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F930-G-GM
Silicon Labs
1: 35,96 kr.
729In Stock
End of Life

Mfr. Part No.
C8051F930-G-GM

Mouser Part No
634-C8051F930-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

729In Stock

35,96 kr.

28,50 kr.

25,44 kr.

23,57 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

24 I/O

1.8 V

3.6 V

+ 85 C

Tube

8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

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
4 kB
4.25 kB
4.35 kB
4352 B
8 kB

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