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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 542

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Core = 8051

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Part #

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

AT89LP2052-20XU
Microchip Technology
1: NT$114.36
8In Stock

Mfr. Part #
AT89LP2052-20XU

Mouser Part #
556-A89LP2052-20XU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V

Datasheet

8In Stock

NT$114.36

NT$99.30

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

15 I/O

8 bit

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

AT89LP4052-20PU
Microchip Technology
1: NT$96.44
254In Stock
1,134On Order

Mfr. Part #
AT89LP4052-20PU

Mouser Part #
556-A89LP4052-20PU

Microchip Technology

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

Datasheet

254In Stock

1,134On Order

NT$96.44

NT$85.32

Min.: 1
Mult.: 1

Through Hole

PDIP-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

AT89S2051-24SU
Microchip Technology
1: NT$93.57
504In Stock

Mfr. Part #
AT89S2051-24SU

Mouser Part #
556-A89S2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

Datasheet

504In Stock

NT$93.57

NT$85.68

NT$78.15

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

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

AT80C51RD2-3CSUM
Microchip Technology
1: NT$181.04
192In Stock
300Expected 9/10/2026

Mfr. Part #
AT80C51RD2-3CSUM

Mouser Part #
556-AT80C51RD2-3CSUM

Microchip Technology

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

Datasheet

192In Stock

300Expected 9/10/2026

NT$181.04

NT$165.99

NT$158.82

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

AT89C51ED2T-RLRUM
Microchip Technology
1: NT$358.50
401In Stock

Mfr. Part #
AT89C51ED2T-RLRUM

Mouser Part #
556-AT89C51ED2TLRUM

Microchip Technology

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

Learn More

Datasheet

401In Stock

Cut Tape

NT$358.50

NT$349.54

NT$297.91

Reel

NT$297.91

Quote

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

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

AT89LP51-20AU
Microchip Technology
1: NT$61.66
130In Stock
480Expected 11/13/2026

Mfr. Part #
AT89LP51-20AU

Mouser Part #
556-AT89LP51-20AU

Microchip Technology

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

Learn More

Datasheet

130In Stock

480Expected 11/13/2026

NT$61.66

NT$55.93

NT$50.91

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

No ADC

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

AT89LP51RD2-20JU
Microchip Technology
1: NT$213.31
143In Stock
135On Order

Mfr. Part #
AT89LP51RD2-20JU

Mouser Part #
556-AT89LP51RD2-20JU

Microchip Technology

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

Learn More

Datasheet

143In Stock

135On Order

NT$213.31

NT$195.74

NT$187.85

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

40 I/O

8 bit

10 bit

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

AT89LP51RD2-20PU
Microchip Technology
1: NT$191.44
89In Stock

Mfr. Part #
AT89LP51RD2-20PU

Mouser Part #
556-AT89LP51RD2-20PU

Microchip Technology

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

Learn More

Datasheet

89In Stock

NT$191.44

NT$176.38

NT$159.17

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

40 I/O

8 bit

10 bit

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

C8051F340-GQ
Silicon Labs
1: NT$889.80
18In Stock
1,250Expected 9/2/2026

Mfr. Part #
C8051F340-GQ

Mouser Part #
634-C8051F340-GQ

Silicon Labs

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

Datasheet

18In Stock

1,250Expected 9/2/2026

NT$889.80

NT$700.15

NT$665.02

NT$605.51

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

40 I/O

8 bit

10 bit

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

C8051F351-GMR
Silicon Labs
1: NT$593.32
97In Stock

Mfr. Part #
C8051F351-GMR

Mouser Part #
634-C8051F351-GMR

Silicon Labs

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

Datasheet

97In Stock

Cut Tape

NT$593.32

NT$463.54

NT$426.62

NT$391.48

View

Reel

NT$321.93

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

24 bit

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

C8051F381-GMR
Silicon Labs
1: NT$277.48
90In Stock

Mfr. Part #
C8051F381-GMR

Mouser Part #
634-C8051F381-GMR

Silicon Labs

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

Datasheet

90In Stock

Cut Tape

NT$277.48

NT$222.27

NT$196.82

NT$184.27

View

Reel

NT$150.21

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

8051

25 I/O

8 bit

10 bit

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

C8051F387-GM
Silicon Labs
1: NT$245.93
208In Stock

Mfr. Part #
C8051F387-GM

Mouser Part #
634-C8051F387-GM

Silicon Labs

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

Learn More

Datasheet

208In Stock

NT$245.93

NT$193.95

NT$174.95

NT$159.17

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

25 I/O

8 bit

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

C8051F392-A-GMR
Silicon Labs
1: NT$168.14
72In Stock

Mfr. Part #
C8051F392-A-GMR

Mouser Part #
634-C8051F392-A-GMR

Silicon Labs

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

Datasheet

72In Stock

Cut Tape

NT$168.14

NT$127.98

NT$111.49

NT$99.66

View

Reel

NT$78.87

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

17 I/O

8 bit

10 bit

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

C8051F850-C-GMR
Silicon Labs
1: NT$103.97
559In Stock

Mfr. Part #
C8051F850-C-GMR

Mouser Part #
634-C8051F850-C-GMR

Silicon Labs

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

Learn More

Datasheet

559In Stock

Cut Tape

NT$103.97

NT$85.32

NT$73.85

NT$69.55

Reel

NT$50.91

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

16 I/O

8 bit

12 bit

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

CY8C3445PVI-094
Infineon Technologies
1: NT$442.39
134In Stock

Mfr. Part #
CY8C3445PVI-094

Mouser Part #
727-CY8C3445PVI-094

Infineon Technologies

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

Learn More

Datasheet

134In Stock

NT$442.39

NT$395.07

NT$305.44

NT$301.86

View

Min.: 1
Mult.: 1

SMD/SMT

SSOP-48

8051

29 I/O

8 bit

12 bit

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

C8051F005-GQ
Silicon Labs
1: NT$1,142.18
118In Stock
800Expected 1/8/2027
End of Life

Mfr. Part #
C8051F005-GQ

Mouser Part #
634-C8051F005-GQ

End of Life

Silicon Labs

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

Datasheet

118In Stock

800Expected 1/8/2027

NT$1,142.18

NT$988.74

NT$936.40

NT$850.72

NT$798.74

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

12 bit

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

C8051F005-GQR
Silicon Labs
1: NT$1,142.18
234In Stock
End of Life

Mfr. Part #
C8051F005-GQR

Mouser Part #
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

NT$1,142.18

NT$1,050.05

Reel

NT$835.31

Quote

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

12 bit

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

C8051F021-GQ
Silicon Labs
1: NT$1,456.94
133In Stock
End of Life

Mfr. Part #
C8051F021-GQ

Mouser Part #
634-C8051F021-GQ

End of Life

Silicon Labs

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

Datasheet

133In Stock

NT$1,456.94

NT$1,221.41

NT$1,151.86

NT$1,049.69

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

8 bit, 12 bit

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

C8051F021-GQR
Silicon Labs
1: NT$1,506.06
379In Stock
End of Life

Mfr. Part #
C8051F021-GQR

Mouser Part #
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

NT$1,506.06

NT$1,269.81

NT$1,169.43

NT$1,121.39

View

Reel

NT$1,026.74

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

8 bit, 12 bit

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

C8051F064-GQR
Silicon Labs
1: NT$1,170.50
115In Stock
End of Life

Mfr. Part #
C8051F064-GQR

Mouser Part #
634-C8051F064-GQR

End of Life

Silicon Labs

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

Datasheet

115In Stock

Cut Tape

NT$1,170.50

NT$1,004.88

NT$959.70

NT$934.25

Reel

NT$823.83

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

59 I/O

8 bit

16 bit

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

C8051F124-GQ
Silicon Labs
1: NT$1,601.42
74In Stock
1,350Expected 12/4/2026
End of Life

Mfr. Part #
C8051F124-GQ

Mouser Part #
634-C8051F124-GQ

End of Life

Silicon Labs

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

Datasheet

74In Stock

1,350Expected 12/4/2026

NT$1,601.42

NT$1,349.39

NT$1,268.73

NT$1,201.33

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

8 bit, 12 bit

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

C8051F500-IM
Silicon Labs
1: NT$485.05
181In Stock
End of Life

Mfr. Part #
C8051F500-IM

Mouser Part #
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

NT$485.05

NT$399.73

NT$361.37

NT$336.63

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

40 I/O

8 bit

12 bit

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

C8051F530-C-IM
Silicon Labs
1: NT$277.12
793In Stock
End of Life

Mfr. Part #
C8051F530-C-IM

Mouser Part #
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

NT$277.12

NT$203.63

NT$189.65

NT$166.70

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

16 I/O

8 bit

12 bit

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

C8051F580-IQ
Silicon Labs
1: NT$654.26
397In Stock
2,500Expected 1/29/2027
End of Life

Mfr. Part #
C8051F580-IQ

Mouser Part #
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

397In Stock

2,500Expected 1/29/2027

NT$654.26

NT$531.66

NT$480.03

NT$439.52

NT$421.60

Min.: 1
Mult.: 1

SMD/SMT

PQFP-48

8051

40 I/O

8 bit

12 bit

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

C8051F920-G-GM
Silicon Labs
1: NT$178.17
63In Stock
End of Life

Mfr. Part #
C8051F920-G-GM

Mouser Part #
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

NT$178.17

NT$148.42

NT$126.91

NT$120.81

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

24 I/O

8 bit

10 bit

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

LQFP-32
LQFP-44
LQFP-48
LQFP-64
MQFP-80
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

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