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8051 Core 8-bit Microcontrollers - MCU

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Part #

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

C8051F387-GM
Silicon Labs
1: $6.86
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

$6.86

$5.41

$4.88

$4.44

View

Min.: 1
Mult.: 1

8051

32 kB

2.3 kB

QFN-32

48 MHz

25 I/O

2.7 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F387

Tube

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: $5.52
113In Stock

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

113In Stock

Cut Tape

$5.52

$3.79

$3.53

$3.11

View

Reel

$2.28

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

16 kB

1 kB

QFN-24

50 MHz

10 bit

21 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

C8051F390

Reel, Cut Tape, MouseReel

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

C8051F392-A-GMR
Silicon Labs
1: $4.69
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

$4.69

$3.48

$3.11

$2.81

View

Reel

$2.20

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

Reel, Cut Tape, MouseReel

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

C8051F850-C-GMR
Silicon Labs
1: $2.90
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

$2.90

$2.38

$2.06

$1.94

Reel

$1.41

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

8 kB

512 B

QFN-20

25 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F850

Reel, Cut Tape, MouseReel

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

CY8C3445PVI-094
Infineon Technologies
1: $12.34
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

$12.34

$11.02

$8.52

$8.42

View

Min.: 1
Mult.: 1

8051

32 kB

4 kB

SSOP-48

50 MHz

12 bit

29 I/O

1.71 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

CY8C3445

Tube

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

C8051F005-GQ
Silicon Labs
1: $29.80
117In 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

117In Stock

800Expected 08/01/2027

$29.80

$27.35

$26.11

$23.35

$22.38

Min.: 1
Mult.: 1

8051

32 kB

2.25 kB

TQFP-64

25 MHz

12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F005

Tray

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

C8051F005-GQR
Silicon Labs
1: $31.86
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

$31.86

$29.29

Reel

$23.30

Quote

Min.: 1
Mult.: 1

: 500

8051

32 kB

2.25 kB

TQFP-64

25 MHz

12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F005

Reel, Cut Tape

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

C8051F021-GQ
Silicon Labs
1: $40.64
133In 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

133In Stock

$40.64

$34.07

$32.13

$29.28

View

Min.: 1
Mult.: 1

8051

64 kB

4.35 kB

TQFP-64

25 MHz

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F021

Tray

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

C8051F021-GQR
Silicon Labs
1: $42.01
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

$42.01

$35.42

$32.62

$31.28

View

Reel

$28.64

MouseReel Available

Min.: 1
Mult.: 1

: 500

8051

64 kB

4.35 kB

TQFP-64

25 MHz

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F021

Reel, Cut Tape, MouseReel

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

C8051F043-GQ
Silicon Labs
1: $26.58
192In Stock
End of Life

Mfr. Part No.
C8051F043-GQ

Mouser Part No
634-C8051F043-GQ

End of Life

Silicon Labs

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

Datasheet

192In Stock

$26.58

$21.45

$19.96

$18.50

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

TQFP-64

25 MHz

10 bit

32 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F043

Tray

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

C8051F064-GQR
Silicon Labs
1: $32.65
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

$32.65

$28.03

$26.77

$26.06

Reel

$22.98

MouseReel Available

Min.: 1
Mult.: 1

: 250

8051

64 kB

4.25 kB

TQFP-100

25 MHz

16 bit

59 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F064

Reel, Cut Tape, MouseReel

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

C8051F124-GQ
Silicon Labs
1: $48.44
411In 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

411In Stock

1,350Expected 04/12/2026

$48.44

$40.06

$38.38

$36.34

$35.42

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

TQFP-100

50 MHz

8 bit, 12 bit

64 I/O

2.7 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

C8051F124

Tray

8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48

C8051F382-GQR
Silicon Labs
1: $8.18
469In Stock
End of Life

Mfr. Part No.
C8051F382-GQR

Mouser Part No
634-C8051F382-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48

Datasheet

469In Stock

Cut Tape

$8.18

$5.71

$5.45

$4.73

Reel

$4.37

View

Min.: 1
Mult.: 1

: 500

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

Reel, Cut Tape

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

C8051F500-IM
Silicon Labs
1: $13.53
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

$13.53

$11.15

$10.08

$9.39

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-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

Tube

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

C8051F501-IQ
Silicon Labs
1: $12.46
20In Stock
End of Life

Mfr. Part No.
C8051F501-IQ

Mouser Part No
634-C8051F501-IQ

End of Life

Silicon Labs

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

Datasheet

20In Stock

$12.46

$9.99

$9.18

$8.43

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

C8051F501

AEC-Q100

Tray

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

C8051F580-IQ
Silicon Labs
1: $18.25
397In 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

397In Stock

2,500Expected 29/01/2027

$18.25

$14.83

$13.39

$12.26

$11.76

Min.: 1
Mult.: 1

8051

128 kB

8.25 kB

PQFP-48

50 MHz

12 bit

40 I/O

1.8 V

5.25 V

SMD/SMT

8 bit

- 40 C

+ 125 C

C8051F580

AEC-Q100

Tray

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

C8051F920-G-GM
Silicon Labs
1: $4.97
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

$4.97

$4.14

$3.54

$3.37

View

Min.: 1
Mult.: 1

8051

32 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

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

C8051F920-G-GMR
Silicon Labs
1: $4.69
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

$4.69

$3.90

$3.62

$3.26

Reel

$2.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8051

32 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 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: $3.99
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

$3.99

$3.32

$3.09

$2.78

View

Reel

$2.41

Min.: 1
Mult.: 1

: 1,500

8051

32 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

900 mV

3.6 V

SMD/SMT

8 bit

- 40 C

+ 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: $5.71
1,260In 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

1,260In Stock

$5.71

$4.74

$4.07

$3.88

View

Min.: 1
Mult.: 1

8051

64 kB

4.25 kB

QFN-32

25 MHz

10 bit

24 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

Tube

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

ML51BB9AE
Nuvoton
1: $0.86
790In Stock

Mfr. Part No.
ML51BB9AE

Mouser Part No
503-ML51BB9AE

Nuvoton

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

Learn More

Datasheet

790In Stock

$0.86

$0.74

$0.625

$0.59

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

MSOP-10

24 MHz

12 bit

7 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

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

ML51FB9AE
Nuvoton
1: $0.99
555In Stock

Mfr. Part No.
ML51FB9AE

Mouser Part No
503-ML51FB9AE

Nuvoton

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

Learn More

Datasheet

555In Stock

$0.99

$0.847

$0.721

$0.68

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

TSSOP-20

24 MHz

12 bit

16 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tube

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

ML51XB9AE
Nuvoton
1: $0.99
980In Stock

Mfr. Part No.
ML51XB9AE

Mouser Part No
503-ML51XB9AE

Nuvoton

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

Learn More

Datasheet

980In Stock

$0.99

$0.847

$0.744

$0.703

View

Min.: 1
Mult.: 1

8051

16 kB

1 kB

QFN-20

24 MHz

12 bit

17 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD

ML54SD1AE
Nuvoton
1: $2.05
500In Stock

Mfr. Part No.
ML54SD1AE

Mouser Part No
503-ML54SD1AE

Nuvoton

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD

Datasheet

500In Stock

$2.05

$1.73

$1.60

$1.43

View

Min.: 1
Mult.: 1

8051

64 kB

4 kB

LQFP-64

24 MHz

12 bit

56 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

ML56LD1AE
Nuvoton
1: $2.32
155In Stock

Mfr. Part No.
ML56LD1AE

Mouser Part No
503-ML56LD1AE

Nuvoton

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

Learn More

Datasheet

155In Stock

$2.32

$1.95

$1.71

$1.62

View

Min.: 1
Mult.: 1

8051

64 kB

4 kB

LQFP-48

24 MHz

12 bit

42 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

Tray

8051 Core 8-bit Microcontrollers - MCU

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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