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8051 microcontroller Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16G-D-QFP32R
Silicon Labs
1: HK$17.59
Non-Stocked Lead-Time 30 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16G-D-QFP32R

Mouser Part No
634-EF8BB31F16GDP32R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

HK$17.59

HK$12.99

HK$11.84

HK$10.77

Reel

HK$10.77

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-32

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

28 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16I-D-QFN24R
Silicon Labs
1: HK$15.62
Non-Stocked Lead-Time 29 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16I-D-QFN24R

Mouser Part No
634-EF8BB31F16IDF24R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 29 Weeks

Cut Tape

HK$15.62

HK$11.43

HK$10.44

HK$9.29

HK$8.71

Reel

HK$8.71

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

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

C8051F390-A-GMR
Silicon Labs
1: HK$33.78
1,497Expected 2/10/2026

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

1,497Expected 2/10/2026

Cut Tape

HK$33.78

HK$25.48

HK$23.43

HK$21.13

View

Reel

HK$19.15

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

16 kB

8 bit

10 bit

50 MHz

21 I/O

1 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core

LPC1754FBD80,518
NXP Semiconductors
1: HK$100.37
998In Stock
2,000Expected 5/1/2027

Mfr. Part No.
LPC1754FBD80,518

Mouser Part No
771-LPC1754FBD80518

NXP Semiconductors

ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core

Datasheet

998In Stock

2,000Expected 5/1/2027

Cut Tape

HK$100.37

HK$79.90

HK$70.94

HK$67.90

View

Reel

HK$56.88

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

SMD/SMT

LQFP-80

ARM Cortex M3

128 kB

32 bit

12 bit

100 MHz

52 I/O

32 kB

3.3 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F353-GM
Silicon Labs
1: HK$95.27
1,514Expected 16/11/2026

Mfr. Part No.
C8051F353-GM

Mouser Part No
634-C8051F353-GM

Silicon Labs

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

Datasheet

1,514Expected 16/11/2026

HK$95.27

HK$76.45

HK$68.80

HK$64.36

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-28

8051

8 kB

8 bit

16 bit

50 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: HK$53.92
6,694Expected 1/1/2027
End of Life

Mfr. Part No.
C8051F530A-IT

Mouser Part No
634-C8051F530A-IT

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

6,694Expected 1/1/2027

HK$53.92

HK$41.35

HK$35.92

HK$33.21

HK$31.89

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

256 B

1.8 V

5.25 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: HK$24.50
3,674Expected 15/9/2026

Mfr. Part No.
C8051F860-C-GSR

Mouser Part No
634-C8051F860-C-GSR

Silicon Labs

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

Learn More

Datasheet

3,674Expected 15/9/2026

Cut Tape

HK$24.50

HK$19.07

HK$17.02

HK$15.62

Reel

HK$12.99

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

SOIC-16

8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

C8051F301-GMR
Silicon Labs
1: HK$59.51
3,000Expected 27/11/2026

Mfr. Part No.
C8051F301-GMR

Mouser Part No
634-C8051F301-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)

Datasheet

3,000Expected 27/11/2026

Cut Tape

HK$59.51

HK$46.94

HK$42.17

HK$39.21

View

Reel

HK$33.37

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-11

8051

8 kB

8 bit

No ADC

25 MHz

8 I/O

256 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F330-GM
Silicon Labs
1: HK$82.69
1,911Expected 16/10/2026
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 16/10/2026

HK$82.69

HK$65.84

HK$58.94

HK$54.58

HK$54.01

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

10 bit

25 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Tube

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

C8051F040-GQ
Silicon Labs
1: HK$263.45
425Expected 30/10/2026
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 30/10/2026

HK$263.45

HK$219.97

HK$192.51

HK$186.43

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

64 I/O

4.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

C8051F505-IQ
Silicon Labs
1: HK$91.16
832Expected 16/7/2027
End of Life

Mfr. Part No.
C8051F505-IQ

Mouser Part No
634-C8051F505-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU

Datasheet

832Expected 16/7/2027

HK$91.16

HK$72.75

HK$67.24

HK$65.92

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

8051

32 kB

8 bit

12 bit

50 MHz

40 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

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

C8051F531-C-IT
Silicon Labs
1: HK$59.60
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

HK$59.60

HK$47.43

HK$42.91

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

256 B

2 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

C8051F006-GQ
Silicon Labs
1: HK$272.66
114Expected 30/4/2027
End of Life

Mfr. Part No.
C8051F006-GQ

Mouser Part No
634-C8051F006-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU

Datasheet

114Expected 30/4/2027

HK$272.66

HK$236.74

HK$213.72

HK$206.16

HK$198.02

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

32 kB

8 bit

12 bit

25 MHz

16 I/O

2.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

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

C8051F331-GMR
Silicon Labs
1: HK$74.14
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

HK$74.14

HK$57.46

HK$53.27

HK$50.96

Reel

HK$50.96

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-20

8051

8 kB

8 bit

No ADC

25 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F580-IM
Silicon Labs
1: HK$132.10
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

HK$132.10

HK$116.31

HK$102.50

HK$90.67

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

128 kB

8 bit

12 bit

24 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN20

C8051F393-A-GMR
Silicon Labs
1,500: HK$18.25
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F393-A-GMR

Mouser Part No
634-C8051F393-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$18.25

HK$18.08

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

: 1,500

Reel

8-bit Microcontrollers - MCU 4kB/1kB RAM, QFN20

C8051F399-A-GMR
Silicon Labs
1,500: HK$14.30
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F399-A-GMR

Mouser Part No
634-C8051F399-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 4kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$14.30

HK$14.14

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

: 1,500

Reel

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN20

C8051F397-A-GMR
Silicon Labs
1,500: HK$16.44
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F397-A-GMR

Mouser Part No
634-C8051F397-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$16.44

HK$16.28

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

: 1,500

Reel

8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin

C8051F342-GMR
Silicon Labs
1,500: HK$129.30
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F342-GMR

Mouser Part No
634-C8051F342-GMR

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F381-GM) 48 MIPS,64KB,10ADC,USB,32Pin

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$129.30

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

: 1,500

8051

8 bit

2.7 V

5.25 V

Reel

8-bit Microcontrollers - MCU 4kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

C8051F398-A-GMR
Silicon Labs
1,500: HK$14.88
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F398-A-GMR

Mouser Part No
634-C8051F398-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 4kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$14.88

HK$14.71

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

: 1,500

Reel

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 2 kB, SPI, UART, I2C, QFN24

C8051F553-IMR
Silicon Labs
1,500: HK$41.35
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F553-IMR

Mouser Part No
634-C8051F553-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 2 kB, SPI, UART, I2C, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$41.35

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

: 1,500

8051

8 bit

Reel

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24

C8051F391-A-GMR
Silicon Labs
1,500: HK$18.58
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F391-A-GMR

Mouser Part No
634-C8051F391-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$18.58

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

: 1,500

Reel

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN24

C8051F395-A-GMR
Silicon Labs
1,500: HK$16.60
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F395-A-GMR

Mouser Part No
634-C8051F395-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN24

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$16.60

HK$16.44

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

: 1,500

Reel

8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32

C8051F38C-GMR
Silicon Labs
1,500: HK$22.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F38C-GMR

Mouser Part No
634-C8051F38C-GMR

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$22.77

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

: 1,500

Reel

8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin

C8051F346-GMR
Silicon Labs
1,500: HK$123.05
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
C8051F346-GMR

Mouser Part No
634-C8051F346-GMR

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F381-GM) 25 MIPS,64KB,10ADC,USB,32Pin

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

HK$123.05

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

: 1,500

Reel

8051 microcontroller Microcontrollers - MCU

Types of Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-44
LQFP-48
LQFP-80
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48

6 I/O
8 I/O
9 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
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O
33 I/O

128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB